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1 <?php 2 /** 3 * Core Post API 4 * 5 * @package WordPress 6 * @subpackage Post 7 */ 8 9 // 10 // Post Type registration. 11 // 12 13 /** 14 * Creates the initial post types when 'init' action is fired. 15 * 16 * See {@see 'init'}. 17 * 18 * @since 2.9.0 19 */ 20 function create_initial_post_types() { 21 WP_Post_Type::reset_default_labels(); 22 23 register_post_type( 24 'post', 25 array( 26 'labels' => array( 27 'name_admin_bar' => _x( 'Post', 'add new from admin bar' ), 28 ), 29 'public' => true, 30 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 31 '_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */ 32 'capability_type' => 'post', 33 'map_meta_cap' => true, 34 'menu_position' => 5, 35 'menu_icon' => 'dashicons-admin-post', 36 'hierarchical' => false, 37 'rewrite' => false, 38 'query_var' => false, 39 'delete_with_user' => true, 40 'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'comments', 'revisions', 'post-formats' ), 41 'show_in_rest' => true, 42 'rest_base' => 'posts', 43 'rest_controller_class' => 'WP_REST_Posts_Controller', 44 ) 45 ); 46 47 register_post_type( 48 'page', 49 array( 50 'labels' => array( 51 'name_admin_bar' => _x( 'Page', 'add new from admin bar' ), 52 ), 53 'public' => true, 54 'publicly_queryable' => false, 55 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 56 '_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */ 57 'capability_type' => 'page', 58 'map_meta_cap' => true, 59 'menu_position' => 20, 60 'menu_icon' => 'dashicons-admin-page', 61 'hierarchical' => true, 62 'rewrite' => false, 63 'query_var' => false, 64 'delete_with_user' => true, 65 'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'page-attributes', 'custom-fields', 'comments', 'revisions' ), 66 'show_in_rest' => true, 67 'rest_base' => 'pages', 68 'rest_controller_class' => 'WP_REST_Posts_Controller', 69 ) 70 ); 71 72 register_post_type( 73 'attachment', 74 array( 75 'labels' => array( 76 'name' => _x( 'Media', 'post type general name' ), 77 'name_admin_bar' => _x( 'Media', 'add new from admin bar' ), 78 'add_new' => _x( 'Add New', 'add new media' ), 79 'edit_item' => __( 'Edit Media' ), 80 'view_item' => __( 'View Attachment Page' ), 81 'attributes' => __( 'Attachment Attributes' ), 82 ), 83 'public' => true, 84 'show_ui' => true, 85 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 86 '_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */ 87 'capability_type' => 'post', 88 'capabilities' => array( 89 'create_posts' => 'upload_files', 90 ), 91 'map_meta_cap' => true, 92 'menu_icon' => 'dashicons-admin-media', 93 'hierarchical' => false, 94 'rewrite' => false, 95 'query_var' => false, 96 'show_in_nav_menus' => false, 97 'delete_with_user' => true, 98 'supports' => array( 'title', 'author', 'comments' ), 99 'show_in_rest' => true, 100 'rest_base' => 'media', 101 'rest_controller_class' => 'WP_REST_Attachments_Controller', 102 ) 103 ); 104 add_post_type_support( 'attachment:audio', 'thumbnail' ); 105 add_post_type_support( 'attachment:video', 'thumbnail' ); 106 107 register_post_type( 108 'revision', 109 array( 110 'labels' => array( 111 'name' => __( 'Revisions' ), 112 'singular_name' => __( 'Revision' ), 113 ), 114 'public' => false, 115 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 116 '_edit_link' => 'revision.php?revision=%d', /* internal use only. don't use this when registering your own post type. */ 117 'capability_type' => 'post', 118 'map_meta_cap' => true, 119 'hierarchical' => false, 120 'rewrite' => false, 121 'query_var' => false, 122 'can_export' => false, 123 'delete_with_user' => true, 124 'supports' => array( 'author' ), 125 ) 126 ); 127 128 register_post_type( 129 'nav_menu_item', 130 array( 131 'labels' => array( 132 'name' => __( 'Navigation Menu Items' ), 133 'singular_name' => __( 'Navigation Menu Item' ), 134 ), 135 'public' => false, 136 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 137 'hierarchical' => false, 138 'rewrite' => false, 139 'delete_with_user' => false, 140 'query_var' => false, 141 'map_meta_cap' => true, 142 'capability_type' => array( 'edit_theme_options', 'edit_theme_options' ), 143 'capabilities' => array( 144 // Meta Capabilities. 145 'edit_post' => 'edit_post', 146 'read_post' => 'read_post', 147 'delete_post' => 'delete_post', 148 // Primitive Capabilities. 149 'edit_posts' => 'edit_theme_options', 150 'edit_others_posts' => 'edit_theme_options', 151 'delete_posts' => 'edit_theme_options', 152 'publish_posts' => 'edit_theme_options', 153 'read_private_posts' => 'edit_theme_options', 154 'read' => 'read', 155 'delete_private_posts' => 'edit_theme_options', 156 'delete_published_posts' => 'edit_theme_options', 157 'delete_others_posts' => 'edit_theme_options', 158 'edit_private_posts' => 'edit_theme_options', 159 'edit_published_posts' => 'edit_theme_options', 160 ), 161 'show_in_rest' => true, 162 'rest_base' => 'menu-items', 163 'rest_controller_class' => 'WP_REST_Menu_Items_Controller', 164 ) 165 ); 166 167 register_post_type( 168 'custom_css', 169 array( 170 'labels' => array( 171 'name' => __( 'Custom CSS' ), 172 'singular_name' => __( 'Custom CSS' ), 173 ), 174 'public' => false, 175 'hierarchical' => false, 176 'rewrite' => false, 177 'query_var' => false, 178 'delete_with_user' => false, 179 'can_export' => true, 180 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 181 'supports' => array( 'title', 'revisions' ), 182 'capabilities' => array( 183 'delete_posts' => 'edit_theme_options', 184 'delete_post' => 'edit_theme_options', 185 'delete_published_posts' => 'edit_theme_options', 186 'delete_private_posts' => 'edit_theme_options', 187 'delete_others_posts' => 'edit_theme_options', 188 'edit_post' => 'edit_css', 189 'edit_posts' => 'edit_css', 190 'edit_others_posts' => 'edit_css', 191 'edit_published_posts' => 'edit_css', 192 'read_post' => 'read', 193 'read_private_posts' => 'read', 194 'publish_posts' => 'edit_theme_options', 195 ), 196 ) 197 ); 198 199 register_post_type( 200 'customize_changeset', 201 array( 202 'labels' => array( 203 'name' => _x( 'Changesets', 'post type general name' ), 204 'singular_name' => _x( 'Changeset', 'post type singular name' ), 205 'add_new' => _x( 'Add New', 'Customize Changeset' ), 206 'add_new_item' => __( 'Add New Changeset' ), 207 'new_item' => __( 'New Changeset' ), 208 'edit_item' => __( 'Edit Changeset' ), 209 'view_item' => __( 'View Changeset' ), 210 'all_items' => __( 'All Changesets' ), 211 'search_items' => __( 'Search Changesets' ), 212 'not_found' => __( 'No changesets found.' ), 213 'not_found_in_trash' => __( 'No changesets found in Trash.' ), 214 ), 215 'public' => false, 216 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 217 'map_meta_cap' => true, 218 'hierarchical' => false, 219 'rewrite' => false, 220 'query_var' => false, 221 'can_export' => false, 222 'delete_with_user' => false, 223 'supports' => array( 'title', 'author' ), 224 'capability_type' => 'customize_changeset', 225 'capabilities' => array( 226 'create_posts' => 'customize', 227 'delete_others_posts' => 'customize', 228 'delete_post' => 'customize', 229 'delete_posts' => 'customize', 230 'delete_private_posts' => 'customize', 231 'delete_published_posts' => 'customize', 232 'edit_others_posts' => 'customize', 233 'edit_post' => 'customize', 234 'edit_posts' => 'customize', 235 'edit_private_posts' => 'customize', 236 'edit_published_posts' => 'do_not_allow', 237 'publish_posts' => 'customize', 238 'read' => 'read', 239 'read_post' => 'customize', 240 'read_private_posts' => 'customize', 241 ), 242 ) 243 ); 244 245 register_post_type( 246 'oembed_cache', 247 array( 248 'labels' => array( 249 'name' => __( 'oEmbed Responses' ), 250 'singular_name' => __( 'oEmbed Response' ), 251 ), 252 'public' => false, 253 'hierarchical' => false, 254 'rewrite' => false, 255 'query_var' => false, 256 'delete_with_user' => false, 257 'can_export' => false, 258 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 259 'supports' => array(), 260 ) 261 ); 262 263 register_post_type( 264 'user_request', 265 array( 266 'labels' => array( 267 'name' => __( 'User Requests' ), 268 'singular_name' => __( 'User Request' ), 269 ), 270 'public' => false, 271 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 272 'hierarchical' => false, 273 'rewrite' => false, 274 'query_var' => false, 275 'can_export' => false, 276 'delete_with_user' => false, 277 'supports' => array(), 278 ) 279 ); 280 281 register_post_type( 282 'wp_block', 283 array( 284 'labels' => array( 285 'name' => _x( 'Reusable blocks', 'post type general name' ), 286 'singular_name' => _x( 'Reusable block', 'post type singular name' ), 287 'add_new' => _x( 'Add New', 'Reusable block' ), 288 'add_new_item' => __( 'Add new Reusable block' ), 289 'new_item' => __( 'New Reusable block' ), 290 'edit_item' => __( 'Edit Reusable block' ), 291 'view_item' => __( 'View Reusable block' ), 292 'all_items' => __( 'All Reusable blocks' ), 293 'search_items' => __( 'Search Reusable blocks' ), 294 'not_found' => __( 'No reusable blocks found.' ), 295 'not_found_in_trash' => __( 'No reusable blocks found in Trash.' ), 296 'filter_items_list' => __( 'Filter reusable blocks list' ), 297 'items_list_navigation' => __( 'Reusable blocks list navigation' ), 298 'items_list' => __( 'Reusable blocks list' ), 299 'item_published' => __( 'Reusable block published.' ), 300 'item_published_privately' => __( 'Reusable block published privately.' ), 301 'item_reverted_to_draft' => __( 'Reusable block reverted to draft.' ), 302 'item_scheduled' => __( 'Reusable block scheduled.' ), 303 'item_updated' => __( 'Reusable block updated.' ), 304 ), 305 'public' => false, 306 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 307 'show_ui' => true, 308 'show_in_menu' => false, 309 'rewrite' => false, 310 'show_in_rest' => true, 311 'rest_base' => 'blocks', 312 'rest_controller_class' => 'WP_REST_Blocks_Controller', 313 'capability_type' => 'block', 314 'capabilities' => array( 315 // You need to be able to edit posts, in order to read blocks in their raw form. 316 'read' => 'edit_posts', 317 // You need to be able to publish posts, in order to create blocks. 318 'create_posts' => 'publish_posts', 319 'edit_posts' => 'edit_posts', 320 'edit_published_posts' => 'edit_published_posts', 321 'delete_published_posts' => 'delete_published_posts', 322 'edit_others_posts' => 'edit_others_posts', 323 'delete_others_posts' => 'delete_others_posts', 324 ), 325 'map_meta_cap' => true, 326 'supports' => array( 327 'title', 328 'editor', 329 'revisions', 330 ), 331 ) 332 ); 333 334 register_post_type( 335 'wp_template', 336 array( 337 'labels' => array( 338 'name' => _x( 'Templates', 'post type general name' ), 339 'singular_name' => _x( 'Template', 'post type singular name' ), 340 'add_new' => _x( 'Add New', 'Template' ), 341 'add_new_item' => __( 'Add New Template' ), 342 'new_item' => __( 'New Template' ), 343 'edit_item' => __( 'Edit Template' ), 344 'view_item' => __( 'View Template' ), 345 'all_items' => __( 'Templates' ), 346 'search_items' => __( 'Search Templates' ), 347 'parent_item_colon' => __( 'Parent Template:' ), 348 'not_found' => __( 'No templates found.' ), 349 'not_found_in_trash' => __( 'No templates found in Trash.' ), 350 'archives' => __( 'Template archives' ), 351 'insert_into_item' => __( 'Insert into template' ), 352 'uploaded_to_this_item' => __( 'Uploaded to this template' ), 353 'filter_items_list' => __( 'Filter templates list' ), 354 'items_list_navigation' => __( 'Templates list navigation' ), 355 'items_list' => __( 'Templates list' ), 356 ), 357 'description' => __( 'Templates to include in your theme.' ), 358 'public' => false, 359 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 360 'has_archive' => false, 361 'show_ui' => false, 362 'show_in_menu' => false, 363 'show_in_rest' => true, 364 'rewrite' => false, 365 'rest_base' => 'templates', 366 'rest_controller_class' => 'WP_REST_Templates_Controller', 367 'capability_type' => array( 'template', 'templates' ), 368 'capabilities' => array( 369 'create_posts' => 'edit_theme_options', 370 'delete_posts' => 'edit_theme_options', 371 'delete_others_posts' => 'edit_theme_options', 372 'delete_private_posts' => 'edit_theme_options', 373 'delete_published_posts' => 'edit_theme_options', 374 'edit_posts' => 'edit_theme_options', 375 'edit_others_posts' => 'edit_theme_options', 376 'edit_private_posts' => 'edit_theme_options', 377 'edit_published_posts' => 'edit_theme_options', 378 'publish_posts' => 'edit_theme_options', 379 'read' => 'edit_theme_options', 380 'read_private_posts' => 'edit_theme_options', 381 ), 382 'map_meta_cap' => true, 383 'supports' => array( 384 'title', 385 'slug', 386 'excerpt', 387 'editor', 388 'revisions', 389 'author', 390 ), 391 ) 392 ); 393 394 register_post_type( 395 'wp_template_part', 396 array( 397 'labels' => array( 398 'name' => _x( 'Template Parts', 'post type general name' ), 399 'singular_name' => _x( 'Template Part', 'post type singular name' ), 400 'add_new' => _x( 'Add New', 'Template Part' ), 401 'add_new_item' => __( 'Add New Template Part' ), 402 'new_item' => __( 'New Template Part' ), 403 'edit_item' => __( 'Edit Template Part' ), 404 'view_item' => __( 'View Template Part' ), 405 'all_items' => __( 'Template Parts' ), 406 'search_items' => __( 'Search Template Parts' ), 407 'parent_item_colon' => __( 'Parent Template Part:' ), 408 'not_found' => __( 'No template parts found.' ), 409 'not_found_in_trash' => __( 'No template parts found in Trash.' ), 410 'archives' => __( 'Template part archives' ), 411 'insert_into_item' => __( 'Insert into template part' ), 412 'uploaded_to_this_item' => __( 'Uploaded to this template part' ), 413 'filter_items_list' => __( 'Filter template parts list' ), 414 'items_list_navigation' => __( 'Template parts list navigation' ), 415 'items_list' => __( 'Template parts list' ), 416 ), 417 'description' => __( 'Template parts to include in your templates.' ), 418 'public' => false, 419 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 420 'has_archive' => false, 421 'show_ui' => false, 422 'show_in_menu' => false, 423 'show_in_rest' => true, 424 'rewrite' => false, 425 'rest_base' => 'template-parts', 426 'rest_controller_class' => 'WP_REST_Templates_Controller', 427 'map_meta_cap' => true, 428 'capabilities' => array( 429 'create_posts' => 'edit_theme_options', 430 'delete_posts' => 'edit_theme_options', 431 'delete_others_posts' => 'edit_theme_options', 432 'delete_private_posts' => 'edit_theme_options', 433 'delete_published_posts' => 'edit_theme_options', 434 'edit_posts' => 'edit_theme_options', 435 'edit_others_posts' => 'edit_theme_options', 436 'edit_private_posts' => 'edit_theme_options', 437 'edit_published_posts' => 'edit_theme_options', 438 'publish_posts' => 'edit_theme_options', 439 'read' => 'edit_theme_options', 440 'read_private_posts' => 'edit_theme_options', 441 ), 442 'supports' => array( 443 'title', 444 'slug', 445 'excerpt', 446 'editor', 447 'revisions', 448 'author', 449 ), 450 ) 451 ); 452 453 register_post_type( 454 'wp_global_styles', 455 array( 456 'label' => _x( 'Global Styles', 'post type general name' ), 457 'description' => __( 'Global styles to include in themes.' ), 458 'public' => false, 459 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 460 'show_ui' => false, 461 'show_in_rest' => false, 462 'rewrite' => false, 463 'capabilities' => array( 464 'read' => 'edit_theme_options', 465 'create_posts' => 'edit_theme_options', 466 'edit_posts' => 'edit_theme_options', 467 'edit_published_posts' => 'edit_theme_options', 468 'delete_published_posts' => 'edit_theme_options', 469 'edit_others_posts' => 'edit_theme_options', 470 'delete_others_posts' => 'edit_theme_options', 471 ), 472 'map_meta_cap' => true, 473 'supports' => array( 474 'title', 475 'editor', 476 'revisions', 477 ), 478 ) 479 ); 480 481 register_post_type( 482 'wp_navigation', 483 array( 484 'labels' => array( 485 'name' => _x( 'Navigation Menus', 'post type general name' ), 486 'singular_name' => _x( 'Navigation Menu', 'post type singular name' ), 487 'add_new' => _x( 'Add New', 'Navigation Menu' ), 488 'add_new_item' => __( 'Add New Navigation Menu' ), 489 'new_item' => __( 'New Navigation Menu' ), 490 'edit_item' => __( 'Edit Navigation Menu' ), 491 'view_item' => __( 'View Navigation Menu' ), 492 'all_items' => __( 'Navigation Menus' ), 493 'search_items' => __( 'Search Navigation Menus' ), 494 'parent_item_colon' => __( 'Parent Navigation Menu:' ), 495 'not_found' => __( 'No Navigation Menu found.' ), 496 'not_found_in_trash' => __( 'No Navigation Menu found in Trash.' ), 497 'archives' => __( 'Navigation Menu archives' ), 498 'insert_into_item' => __( 'Insert into Navigation Menu' ), 499 'uploaded_to_this_item' => __( 'Uploaded to this Navigation Menu' ), 500 'filter_items_list' => __( 'Filter Navigation Menu list' ), 501 'items_list_navigation' => __( 'Navigation Menus list navigation' ), 502 'items_list' => __( 'Navigation Menus list' ), 503 ), 504 'description' => __( 'Navigation menus that can be inserted into your site.' ), 505 'public' => false, 506 '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ 507 'has_archive' => false, 508 'show_ui' => true, 509 'show_in_menu' => false, 510 'show_in_admin_bar' => false, 511 'show_in_rest' => true, 512 'rewrite' => false, 513 'map_meta_cap' => true, 514 'capabilities' => array( 515 'edit_others_posts' => 'edit_theme_options', 516 'delete_posts' => 'edit_theme_options', 517 'publish_posts' => 'edit_theme_options', 518 'create_posts' => 'edit_theme_options', 519 'read_private_posts' => 'edit_theme_options', 520 'delete_private_posts' => 'edit_theme_options', 521 'delete_published_posts' => 'edit_theme_options', 522 'delete_others_posts' => 'edit_theme_options', 523 'edit_private_posts' => 'edit_theme_options', 524 'edit_published_posts' => 'edit_theme_options', 525 'edit_posts' => 'edit_theme_options', 526 ), 527 'rest_base' => 'navigation', 528 'rest_controller_class' => 'WP_REST_Posts_Controller', 529 'supports' => array( 530 'title', 531 'editor', 532 'revisions', 533 ), 534 ) 535 ); 536 537 register_post_status( 538 'publish', 539 array( 540 'label' => _x( 'Published', 'post status' ), 541 'public' => true, 542 '_builtin' => true, /* internal use only. */ 543 /* translators: %s: Number of published posts. */ 544 'label_count' => _n_noop( 545 'Published <span class="count">(%s)</span>', 546 'Published <span class="count">(%s)</span>' 547 ), 548 ) 549 ); 550 551 register_post_status( 552 'future', 553 array( 554 'label' => _x( 'Scheduled', 'post status' ), 555 'protected' => true, 556 '_builtin' => true, /* internal use only. */ 557 /* translators: %s: Number of scheduled posts. */ 558 'label_count' => _n_noop( 559 'Scheduled <span class="count">(%s)</span>', 560 'Scheduled <span class="count">(%s)</span>' 561 ), 562 ) 563 ); 564 565 register_post_status( 566 'draft', 567 array( 568 'label' => _x( 'Draft', 'post status' ), 569 'protected' => true, 570 '_builtin' => true, /* internal use only. */ 571 /* translators: %s: Number of draft posts. */ 572 'label_count' => _n_noop( 573 'Draft <span class="count">(%s)</span>', 574 'Drafts <span class="count">(%s)</span>' 575 ), 576 'date_floating' => true, 577 ) 578 ); 579 580 register_post_status( 581 'pending', 582 array( 583 'label' => _x( 'Pending', 'post status' ), 584 'protected' => true, 585 '_builtin' => true, /* internal use only. */ 586 /* translators: %s: Number of pending posts. */ 587 'label_count' => _n_noop( 588 'Pending <span class="count">(%s)</span>', 589 'Pending <span class="count">(%s)</span>' 590 ), 591 'date_floating' => true, 592 ) 593 ); 594 595 register_post_status( 596 'private', 597 array( 598 'label' => _x( 'Private', 'post status' ), 599 'private' => true, 600 '_builtin' => true, /* internal use only. */ 601 /* translators: %s: Number of private posts. */ 602 'label_count' => _n_noop( 603 'Private <span class="count">(%s)</span>', 604 'Private <span class="count">(%s)</span>' 605 ), 606 ) 607 ); 608 609 register_post_status( 610 'trash', 611 array( 612 'label' => _x( 'Trash', 'post status' ), 613 'internal' => true, 614 '_builtin' => true, /* internal use only. */ 615 /* translators: %s: Number of trashed posts. */ 616 'label_count' => _n_noop( 617 'Trash <span class="count">(%s)</span>', 618 'Trash <span class="count">(%s)</span>' 619 ), 620 'show_in_admin_status_list' => true, 621 ) 622 ); 623 624 register_post_status( 625 'auto-draft', 626 array( 627 'label' => 'auto-draft', 628 'internal' => true, 629 '_builtin' => true, /* internal use only. */ 630 'date_floating' => true, 631 ) 632 ); 633 634 register_post_status( 635 'inherit', 636 array( 637 'label' => 'inherit', 638 'internal' => true, 639 '_builtin' => true, /* internal use only. */ 640 'exclude_from_search' => false, 641 ) 642 ); 643 644 register_post_status( 645 'request-pending', 646 array( 647 'label' => _x( 'Pending', 'request status' ), 648 'internal' => true, 649 '_builtin' => true, /* internal use only. */ 650 /* translators: %s: Number of pending requests. */ 651 'label_count' => _n_noop( 652 'Pending <span class="count">(%s)</span>', 653 'Pending <span class="count">(%s)</span>' 654 ), 655 'exclude_from_search' => false, 656 ) 657 ); 658 659 register_post_status( 660 'request-confirmed', 661 array( 662 'label' => _x( 'Confirmed', 'request status' ), 663 'internal' => true, 664 '_builtin' => true, /* internal use only. */ 665 /* translators: %s: Number of confirmed requests. */ 666 'label_count' => _n_noop( 667 'Confirmed <span class="count">(%s)</span>', 668 'Confirmed <span class="count">(%s)</span>' 669 ), 670 'exclude_from_search' => false, 671 ) 672 ); 673 674 register_post_status( 675 'request-failed', 676 array( 677 'label' => _x( 'Failed', 'request status' ), 678 'internal' => true, 679 '_builtin' => true, /* internal use only. */ 680 /* translators: %s: Number of failed requests. */ 681 'label_count' => _n_noop( 682 'Failed <span class="count">(%s)</span>', 683 'Failed <span class="count">(%s)</span>' 684 ), 685 'exclude_from_search' => false, 686 ) 687 ); 688 689 register_post_status( 690 'request-completed', 691 array( 692 'label' => _x( 'Completed', 'request status' ), 693 'internal' => true, 694 '_builtin' => true, /* internal use only. */ 695 /* translators: %s: Number of completed requests. */ 696 'label_count' => _n_noop( 697 'Completed <span class="count">(%s)</span>', 698 'Completed <span class="count">(%s)</span>' 699 ), 700 'exclude_from_search' => false, 701 ) 702 ); 703 } 704 705 /** 706 * Retrieve attached file path based on attachment ID. 707 * 708 * By default the path will go through the 'get_attached_file' filter, but 709 * passing a true to the $unfiltered argument of get_attached_file() will 710 * return the file path unfiltered. 711 * 712 * The function works by getting the single post meta name, named 713 * '_wp_attached_file' and returning it. This is a convenience function to 714 * prevent looking up the meta name and provide a mechanism for sending the 715 * attached filename through a filter. 716 * 717 * @since 2.0.0 718 * 719 * @param int $attachment_id Attachment ID. 720 * @param bool $unfiltered Optional. Whether to apply filters. Default false. 721 * @return string|false The file path to where the attached file should be, false otherwise. 722 */ 723 function get_attached_file( $attachment_id, $unfiltered = false ) { 724 $file = get_post_meta( $attachment_id, '_wp_attached_file', true ); 725 726 // If the file is relative, prepend upload dir. 727 if ( $file && 0 !== strpos( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) ) { 728 $uploads = wp_get_upload_dir(); 729 if ( false === $uploads['error'] ) { 730 $file = $uploads['basedir'] . "/$file"; 731 } 732 } 733 734 if ( $unfiltered ) { 735 return $file; 736 } 737 738 /** 739 * Filters the attached file based on the given ID. 740 * 741 * @since 2.1.0 742 * 743 * @param string|false $file The file path to where the attached file should be, false otherwise. 744 * @param int $attachment_id Attachment ID. 745 */ 746 return apply_filters( 'get_attached_file', $file, $attachment_id ); 747 } 748 749 /** 750 * Update attachment file path based on attachment ID. 751 * 752 * Used to update the file path of the attachment, which uses post meta name 753 * '_wp_attached_file' to store the path of the attachment. 754 * 755 * @since 2.1.0 756 * 757 * @param int $attachment_id Attachment ID. 758 * @param string $file File path for the attachment. 759 * @return bool True on success, false on failure. 760 */ 761 function update_attached_file( $attachment_id, $file ) { 762 if ( ! get_post( $attachment_id ) ) { 763 return false; 764 } 765 766 /** 767 * Filters the path to the attached file to update. 768 * 769 * @since 2.1.0 770 * 771 * @param string $file Path to the attached file to update. 772 * @param int $attachment_id Attachment ID. 773 */ 774 $file = apply_filters( 'update_attached_file', $file, $attachment_id ); 775 776 $file = _wp_relative_upload_path( $file ); 777 if ( $file ) { 778 return update_post_meta( $attachment_id, '_wp_attached_file', $file ); 779 } else { 780 return delete_post_meta( $attachment_id, '_wp_attached_file' ); 781 } 782 } 783 784 /** 785 * Return relative path to an uploaded file. 786 * 787 * The path is relative to the current upload dir. 788 * 789 * @since 2.9.0 790 * @access private 791 * 792 * @param string $path Full path to the file. 793 * @return string Relative path on success, unchanged path on failure. 794 */ 795 function _wp_relative_upload_path( $path ) { 796 $new_path = $path; 797 798 $uploads = wp_get_upload_dir(); 799 if ( 0 === strpos( $new_path, $uploads['basedir'] ) ) { 800 $new_path = str_replace( $uploads['basedir'], '', $new_path ); 801 $new_path = ltrim( $new_path, '/' ); 802 } 803 804 /** 805 * Filters the relative path to an uploaded file. 806 * 807 * @since 2.9.0 808 * 809 * @param string $new_path Relative path to the file. 810 * @param string $path Full path to the file. 811 */ 812 return apply_filters( '_wp_relative_upload_path', $new_path, $path ); 813 } 814 815 /** 816 * Retrieve all children of the post parent ID. 817 * 818 * Normally, without any enhancements, the children would apply to pages. In the 819 * context of the inner workings of WordPress, pages, posts, and attachments 820 * share the same table, so therefore the functionality could apply to any one 821 * of them. It is then noted that while this function does not work on posts, it 822 * does not mean that it won't work on posts. It is recommended that you know 823 * what context you wish to retrieve the children of. 824 * 825 * Attachments may also be made the child of a post, so if that is an accurate 826 * statement (which needs to be verified), it would then be possible to get 827 * all of the attachments for a post. Attachments have since changed since 828 * version 2.5, so this is most likely inaccurate, but serves generally as an 829 * example of what is possible. 830 * 831 * The arguments listed as defaults are for this function and also of the 832 * get_posts() function. The arguments are combined with the get_children defaults 833 * and are then passed to the get_posts() function, which accepts additional arguments. 834 * You can replace the defaults in this function, listed below and the additional 835 * arguments listed in the get_posts() function. 836 * 837 * The 'post_parent' is the most important argument and important attention 838 * needs to be paid to the $args parameter. If you pass either an object or an 839 * integer (number), then just the 'post_parent' is grabbed and everything else 840 * is lost. If you don't specify any arguments, then it is assumed that you are 841 * in The Loop and the post parent will be grabbed for from the current post. 842 * 843 * The 'post_parent' argument is the ID to get the children. The 'numberposts' 844 * is the amount of posts to retrieve that has a default of '-1', which is 845 * used to get all of the posts. Giving a number higher than 0 will only 846 * retrieve that amount of posts. 847 * 848 * The 'post_type' and 'post_status' arguments can be used to choose what 849 * criteria of posts to retrieve. The 'post_type' can be anything, but WordPress 850 * post types are 'post', 'pages', and 'attachments'. The 'post_status' 851 * argument will accept any post status within the write administration panels. 852 * 853 * @since 2.0.0 854 * 855 * @see get_posts() 856 * @todo Check validity of description. 857 * 858 * @global WP_Post $post Global post object. 859 * 860 * @param mixed $args Optional. User defined arguments for replacing the defaults. Default empty. 861 * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which 862 * correspond to a WP_Post object, an associative array, or a numeric array, 863 * respectively. Default OBJECT. 864 * @return WP_Post[]|int[] Array of post objects or post IDs. 865 */ 866 function get_children( $args = '', $output = OBJECT ) { 867 $kids = array(); 868 if ( empty( $args ) ) { 869 if ( isset( $GLOBALS['post'] ) ) { 870 $args = array( 'post_parent' => (int) $GLOBALS['post']->post_parent ); 871 } else { 872 return $kids; 873 } 874 } elseif ( is_object( $args ) ) { 875 $args = array( 'post_parent' => (int) $args->post_parent ); 876 } elseif ( is_numeric( $args ) ) { 877 $args = array( 'post_parent' => (int) $args ); 878 } 879 880 $defaults = array( 881 'numberposts' => -1, 882 'post_type' => 'any', 883 'post_status' => 'any', 884 'post_parent' => 0, 885 ); 886 887 $parsed_args = wp_parse_args( $args, $defaults ); 888 889 $children = get_posts( $parsed_args ); 890 891 if ( ! $children ) { 892 return $kids; 893 } 894 895 if ( ! empty( $parsed_args['fields'] ) ) { 896 return $children; 897 } 898 899 update_post_cache( $children ); 900 901 foreach ( $children as $key => $child ) { 902 $kids[ $child->ID ] = $children[ $key ]; 903 } 904 905 if ( OBJECT === $output ) { 906 return $kids; 907 } elseif ( ARRAY_A === $output ) { 908 $weeuns = array(); 909 foreach ( (array) $kids as $kid ) { 910 $weeuns[ $kid->ID ] = get_object_vars( $kids[ $kid->ID ] ); 911 } 912 return $weeuns; 913 } elseif ( ARRAY_N === $output ) { 914 $babes = array(); 915 foreach ( (array) $kids as $kid ) { 916 $babes[ $kid->ID ] = array_values( get_object_vars( $kids[ $kid->ID ] ) ); 917 } 918 return $babes; 919 } else { 920 return $kids; 921 } 922 } 923 924 /** 925 * Get extended entry info (<!--more-->). 926 * 927 * There should not be any space after the second dash and before the word 928 * 'more'. There can be text or space(s) after the word 'more', but won't be 929 * referenced. 930 * 931 * The returned array has 'main', 'extended', and 'more_text' keys. Main has the text before 932 * the `<!--more-->`. The 'extended' key has the content after the 933 * `<!--more-->` comment. The 'more_text' key has the custom "Read More" text. 934 * 935 * @since 1.0.0 936 * 937 * @param string $post Post content. 938 * @return string[] { 939 * Extended entry info. 940 * 941 * @type string $main Content before the more tag. 942 * @type string $extended Content after the more tag. 943 * @type string $more_text Custom read more text, or empty string. 944 * } 945 */ 946 function get_extended( $post ) { 947 // Match the new style more links. 948 if ( preg_match( '/<!--more(.*?)?-->/', $post, $matches ) ) { 949 list($main, $extended) = explode( $matches[0], $post, 2 ); 950 $more_text = $matches[1]; 951 } else { 952 $main = $post; 953 $extended = ''; 954 $more_text = ''; 955 } 956 957 // Leading and trailing whitespace. 958 $main = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $main ); 959 $extended = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $extended ); 960 $more_text = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $more_text ); 961 962 return array( 963 'main' => $main, 964 'extended' => $extended, 965 'more_text' => $more_text, 966 ); 967 } 968 969 /** 970 * Retrieves post data given a post ID or post object. 971 * 972 * See sanitize_post() for optional $filter values. Also, the parameter 973 * `$post`, must be given as a variable, since it is passed by reference. 974 * 975 * @since 1.5.1 976 * 977 * @global WP_Post $post Global post object. 978 * 979 * @param int|WP_Post|null $post Optional. Post ID or post object. `null`, `false`, `0` and other PHP falsey values 980 * return the current global post inside the loop. A numerically valid post ID that 981 * points to a non-existent post returns `null`. Defaults to global $post. 982 * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which 983 * correspond to a WP_Post object, an associative array, or a numeric array, 984 * respectively. Default OBJECT. 985 * @param string $filter Optional. Type of filter to apply. Accepts 'raw', 'edit', 'db', 986 * or 'display'. Default 'raw'. 987 * @return WP_Post|array|null Type corresponding to $output on success or null on failure. 988 * When $output is OBJECT, a `WP_Post` instance is returned. 989 */ 990 function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) { 991 if ( empty( $post ) && isset( $GLOBALS['post'] ) ) { 992 $post = $GLOBALS['post']; 993 } 994 995 if ( $post instanceof WP_Post ) { 996 $_post = $post; 997 } elseif ( is_object( $post ) ) { 998 if ( empty( $post->filter ) ) { 999 $_post = sanitize_post( $post, 'raw' ); 1000 $_post = new WP_Post( $_post ); 1001 } elseif ( 'raw' === $post->filter ) { 1002 $_post = new WP_Post( $post ); 1003 } else { 1004 $_post = WP_Post::get_instance( $post->ID ); 1005 } 1006 } else { 1007 $_post = WP_Post::get_instance( $post ); 1008 } 1009 1010 if ( ! $_post ) { 1011 return null; 1012 } 1013 1014 $_post = $_post->filter( $filter ); 1015 1016 if ( ARRAY_A === $output ) { 1017 return $_post->to_array(); 1018 } elseif ( ARRAY_N === $output ) { 1019 return array_values( $_post->to_array() ); 1020 } 1021 1022 return $_post; 1023 } 1024 1025 /** 1026 * Retrieves the IDs of the ancestors of a post. 1027 * 1028 * @since 2.5.0 1029 * 1030 * @param int|WP_Post $post Post ID or post object. 1031 * @return int[] Array of ancestor IDs or empty array if there are none. 1032 */ 1033 function get_post_ancestors( $post ) { 1034 $post = get_post( $post ); 1035 1036 if ( ! $post || empty( $post->post_parent ) || $post->post_parent == $post->ID ) { 1037 return array(); 1038 } 1039 1040 $ancestors = array(); 1041 1042 $id = $post->post_parent; 1043 $ancestors[] = $id; 1044 1045 while ( $ancestor = get_post( $id ) ) { 1046 // Loop detection: If the ancestor has been seen before, break. 1047 if ( empty( $ancestor->post_parent ) || ( $ancestor->post_parent == $post->ID ) || in_array( $ancestor->post_parent, $ancestors, true ) ) { 1048 break; 1049 } 1050 1051 $id = $ancestor->post_parent; 1052 $ancestors[] = $id; 1053 } 1054 1055 return $ancestors; 1056 } 1057 1058 /** 1059 * Retrieve data from a post field based on Post ID. 1060 * 1061 * Examples of the post field will be, 'post_type', 'post_status', 'post_content', 1062 * etc and based off of the post object property or key names. 1063 * 1064 * The context values are based off of the taxonomy filter functions and 1065 * supported values are found within those functions. 1066 * 1067 * @since 2.3.0 1068 * @since 4.5.0 The `$post` parameter was made optional. 1069 * 1070 * @see sanitize_post_field() 1071 * 1072 * @param string $field Post field name. 1073 * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. 1074 * @param string $context Optional. How to filter the field. Accepts 'raw', 'edit', 'db', 1075 * or 'display'. Default 'display'. 1076 * @return string The value of the post field on success, empty string on failure. 1077 */ 1078 function get_post_field( $field, $post = null, $context = 'display' ) { 1079 $post = get_post( $post ); 1080 1081 if ( ! $post ) { 1082 return ''; 1083 } 1084 1085 if ( ! isset( $post->$field ) ) { 1086 return ''; 1087 } 1088 1089 return sanitize_post_field( $field, $post->$field, $post->ID, $context ); 1090 } 1091 1092 /** 1093 * Retrieve the mime type of an attachment based on the ID. 1094 * 1095 * This function can be used with any post type, but it makes more sense with 1096 * attachments. 1097 * 1098 * @since 2.0.0 1099 * 1100 * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. 1101 * @return string|false The mime type on success, false on failure. 1102 */ 1103 function get_post_mime_type( $post = null ) { 1104 $post = get_post( $post ); 1105 1106 if ( is_object( $post ) ) { 1107 return $post->post_mime_type; 1108 } 1109 1110 return false; 1111 } 1112 1113 /** 1114 * Retrieve the post status based on the post ID. 1115 * 1116 * If the post ID is of an attachment, then the parent post status will be given 1117 * instead. 1118 * 1119 * @since 2.0.0 1120 * 1121 * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. 1122 * @return string|false Post status on success, false on failure. 1123 */ 1124 function get_post_status( $post = null ) { 1125 $post = get_post( $post ); 1126 1127 if ( ! is_object( $post ) ) { 1128 return false; 1129 } 1130 1131 $post_status = $post->post_status; 1132 1133 if ( 1134 'attachment' === $post->post_type && 1135 'inherit' === $post_status 1136 ) { 1137 if ( 1138 0 === $post->post_parent || 1139 ! get_post( $post->post_parent ) || 1140 $post->ID === $post->post_parent 1141 ) { 1142 // Unattached attachments with inherit status are assumed to be published. 1143 $post_status = 'publish'; 1144 } elseif ( 'trash' === get_post_status( $post->post_parent ) ) { 1145 // Get parent status prior to trashing. 1146 $post_status = get_post_meta( $post->post_parent, '_wp_trash_meta_status', true ); 1147 if ( ! $post_status ) { 1148 // Assume publish as above. 1149 $post_status = 'publish'; 1150 } 1151 } else { 1152 $post_status = get_post_status( $post->post_parent ); 1153 } 1154 } elseif ( 1155 'attachment' === $post->post_type && 1156 ! in_array( $post_status, array( 'private', 'trash', 'auto-draft' ), true ) 1157 ) { 1158 /* 1159 * Ensure uninherited attachments have a permitted status either 'private', 'trash', 'auto-draft'. 1160 * This is to match the logic in wp_insert_post(). 1161 * 1162 * Note: 'inherit' is excluded from this check as it is resolved to the parent post's 1163 * status in the logic block above. 1164 */ 1165 $post_status = 'publish'; 1166 } 1167 1168 /** 1169 * Filters the post status. 1170 * 1171 * @since 4.4.0 1172 * @since 5.7.0 The attachment post type is now passed through this filter. 1173 * 1174 * @param string $post_status The post status. 1175 * @param WP_Post $post The post object. 1176 */ 1177 return apply_filters( 'get_post_status', $post_status, $post ); 1178 } 1179 1180 /** 1181 * Retrieve all of the WordPress supported post statuses. 1182 * 1183 * Posts have a limited set of valid status values, this provides the 1184 * post_status values and descriptions. 1185 * 1186 * @since 2.5.0 1187 * 1188 * @return string[] Array of post status labels keyed by their status. 1189 */ 1190 function get_post_statuses() { 1191 $status = array( 1192 'draft' => __( 'Draft' ), 1193 'pending' => __( 'Pending Review' ), 1194 'private' => __( 'Private' ), 1195 'publish' => __( 'Published' ), 1196 ); 1197 1198 return $status; 1199 } 1200 1201 /** 1202 * Retrieve all of the WordPress support page statuses. 1203 * 1204 * Pages have a limited set of valid status values, this provides the 1205 * post_status values and descriptions. 1206 * 1207 * @since 2.5.0 1208 * 1209 * @return string[] Array of page status labels keyed by their status. 1210 */ 1211 function get_page_statuses() { 1212 $status = array( 1213 'draft' => __( 'Draft' ), 1214 'private' => __( 'Private' ), 1215 'publish' => __( 'Published' ), 1216 ); 1217 1218 return $status; 1219 } 1220 1221 /** 1222 * Return statuses for privacy requests. 1223 * 1224 * @since 4.9.6 1225 * @access private 1226 * 1227 * @return array 1228 */ 1229 function _wp_privacy_statuses() { 1230 return array( 1231 'request-pending' => _x( 'Pending', 'request status' ), // Pending confirmation from user. 1232 'request-confirmed' => _x( 'Confirmed', 'request status' ), // User has confirmed the action. 1233 'request-failed' => _x( 'Failed', 'request status' ), // User failed to confirm the action. 1234 'request-completed' => _x( 'Completed', 'request status' ), // Admin has handled the request. 1235 ); 1236 } 1237 1238 /** 1239 * Register a post status. Do not use before init. 1240 * 1241 * A simple function for creating or modifying a post status based on the 1242 * parameters given. The function will accept an array (second optional 1243 * parameter), along with a string for the post status name. 1244 * 1245 * Arguments prefixed with an _underscore shouldn't be used by plugins and themes. 1246 * 1247 * @since 3.0.0 1248 * 1249 * @global stdClass[] $wp_post_statuses Inserts new post status object into the list 1250 * 1251 * @param string $post_status Name of the post status. 1252 * @param array|string $args { 1253 * Optional. Array or string of post status arguments. 1254 * 1255 * @type bool|string $label A descriptive name for the post status marked 1256 * for translation. Defaults to value of $post_status. 1257 * @type bool|array $label_count Descriptive text to use for nooped plurals. 1258 * Default array of $label, twice. 1259 * @type bool $exclude_from_search Whether to exclude posts with this post status 1260 * from search results. Default is value of $internal. 1261 * @type bool $_builtin Whether the status is built-in. Core-use only. 1262 * Default false. 1263 * @type bool $public Whether posts of this status should be shown 1264 * in the front end of the site. Default false. 1265 * @type bool $internal Whether the status is for internal use only. 1266 * Default false. 1267 * @type bool $protected Whether posts with this status should be protected. 1268 * Default false. 1269 * @type bool $private Whether posts with this status should be private. 1270 * Default false. 1271 * @type bool $publicly_queryable Whether posts with this status should be publicly- 1272 * queryable. Default is value of $public. 1273 * @type bool $show_in_admin_all_list Whether to include posts in the edit listing for 1274 * their post type. Default is the opposite value 1275 * of $internal. 1276 * @type bool $show_in_admin_status_list Show in the list of statuses with post counts at 1277 * the top of the edit listings, 1278 * e.g. All (12) | Published (9) | My Custom Status (2) 1279 * Default is the opposite value of $internal. 1280 * @type bool $date_floating Whether the post has a floating creation date. 1281 * Default to false. 1282 * } 1283 * @return object 1284 */ 1285 function register_post_status( $post_status, $args = array() ) { 1286 global $wp_post_statuses; 1287 1288 if ( ! is_array( $wp_post_statuses ) ) { 1289 $wp_post_statuses = array(); 1290 } 1291 1292 // Args prefixed with an underscore are reserved for internal use. 1293 $defaults = array( 1294 'label' => false, 1295 'label_count' => false, 1296 'exclude_from_search' => null, 1297 '_builtin' => false, 1298 'public' => null, 1299 'internal' => null, 1300 'protected' => null, 1301 'private' => null, 1302 'publicly_queryable' => null, 1303 'show_in_admin_status_list' => null, 1304 'show_in_admin_all_list' => null, 1305 'date_floating' => null, 1306 ); 1307 $args = wp_parse_args( $args, $defaults ); 1308 $args = (object) $args; 1309 1310 $post_status = sanitize_key( $post_status ); 1311 $args->name = $post_status; 1312 1313 // Set various defaults. 1314 if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private ) { 1315 $args->internal = true; 1316 } 1317 1318 if ( null === $args->public ) { 1319 $args->public = false; 1320 } 1321 1322 if ( null === $args->private ) { 1323 $args->private = false; 1324 } 1325 1326 if ( null === $args->protected ) { 1327 $args->protected = false; 1328 } 1329 1330 if ( null === $args->internal ) { 1331 $args->internal = false; 1332 } 1333 1334 if ( null === $args->publicly_queryable ) { 1335 $args->publicly_queryable = $args->public; 1336 } 1337 1338 if ( null === $args->exclude_from_search ) { 1339 $args->exclude_from_search = $args->internal; 1340 } 1341 1342 if ( null === $args->show_in_admin_all_list ) { 1343 $args->show_in_admin_all_list = ! $args->internal; 1344 } 1345 1346 if ( null === $args->show_in_admin_status_list ) { 1347 $args->show_in_admin_status_list = ! $args->internal; 1348 } 1349 1350 if ( null === $args->date_floating ) { 1351 $args->date_floating = false; 1352 } 1353 1354 if ( false === $args->label ) { 1355 $args->label = $post_status; 1356 } 1357 1358 if ( false === $args->label_count ) { 1359 // phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralSingle,WordPress.WP.I18n.NonSingularStringLiteralPlural 1360 $args->label_count = _n_noop( $args->label, $args->label ); 1361 } 1362 1363 $wp_post_statuses[ $post_status ] = $args; 1364 1365 return $args; 1366 } 1367 1368 /** 1369 * Retrieve a post status object by name. 1370 * 1371 * @since 3.0.0 1372 * 1373 * @global stdClass[] $wp_post_statuses List of post statuses. 1374 * 1375 * @see register_post_status() 1376 * 1377 * @param string $post_status The name of a registered post status. 1378 * @return stdClass|null A post status object. 1379 */ 1380 function get_post_status_object( $post_status ) { 1381 global $wp_post_statuses; 1382 1383 if ( empty( $wp_post_statuses[ $post_status ] ) ) { 1384 return null; 1385 } 1386 1387 return $wp_post_statuses[ $post_status ]; 1388 } 1389 1390 /** 1391 * Get a list of post statuses. 1392 * 1393 * @since 3.0.0 1394 * 1395 * @global stdClass[] $wp_post_statuses List of post statuses. 1396 * 1397 * @see register_post_status() 1398 * 1399 * @param array|string $args Optional. Array or string of post status arguments to compare against 1400 * properties of the global `$wp_post_statuses objects`. Default empty array. 1401 * @param string $output Optional. The type of output to return, either 'names' or 'objects'. Default 'names'. 1402 * @param string $operator Optional. The logical operation to perform. 'or' means only one element 1403 * from the array needs to match; 'and' means all elements must match. 1404 * Default 'and'. 1405 * @return string[]|stdClass[] A list of post status names or objects. 1406 */ 1407 function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) { 1408 global $wp_post_statuses; 1409 1410 $field = ( 'names' === $output ) ? 'name' : false; 1411 1412 return wp_filter_object_list( $wp_post_statuses, $args, $operator, $field ); 1413 } 1414 1415 /** 1416 * Whether the post type is hierarchical. 1417 * 1418 * A false return value might also mean that the post type does not exist. 1419 * 1420 * @since 3.0.0 1421 * 1422 * @see get_post_type_object() 1423 * 1424 * @param string $post_type Post type name 1425 * @return bool Whether post type is hierarchical. 1426 */ 1427 function is_post_type_hierarchical( $post_type ) { 1428 if ( ! post_type_exists( $post_type ) ) { 1429 return false; 1430 } 1431 1432 $post_type = get_post_type_object( $post_type ); 1433 return $post_type->hierarchical; 1434 } 1435 1436 /** 1437 * Determines whether a post type is registered. 1438 * 1439 * For more information on this and similar theme functions, check out 1440 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 1441 * Conditional Tags} article in the Theme Developer Handbook. 1442 * 1443 * @since 3.0.0 1444 * 1445 * @see get_post_type_object() 1446 * 1447 * @param string $post_type Post type name. 1448 * @return bool Whether post type is registered. 1449 */ 1450 function post_type_exists( $post_type ) { 1451 return (bool) get_post_type_object( $post_type ); 1452 } 1453 1454 /** 1455 * Retrieves the post type of the current post or of a given post. 1456 * 1457 * @since 2.1.0 1458 * 1459 * @param int|WP_Post|null $post Optional. Post ID or post object. Default is global $post. 1460 * @return string|false Post type on success, false on failure. 1461 */ 1462 function get_post_type( $post = null ) { 1463 $post = get_post( $post ); 1464 if ( $post ) { 1465 return $post->post_type; 1466 } 1467 1468 return false; 1469 } 1470 1471 /** 1472 * Retrieves a post type object by name. 1473 * 1474 * @since 3.0.0 1475 * @since 4.6.0 Object returned is now an instance of `WP_Post_Type`. 1476 * 1477 * @global array $wp_post_types List of post types. 1478 * 1479 * @see register_post_type() 1480 * 1481 * @param string $post_type The name of a registered post type. 1482 * @return WP_Post_Type|null WP_Post_Type object if it exists, null otherwise. 1483 */ 1484 function get_post_type_object( $post_type ) { 1485 global $wp_post_types; 1486 1487 if ( ! is_scalar( $post_type ) || empty( $wp_post_types[ $post_type ] ) ) { 1488 return null; 1489 } 1490 1491 return $wp_post_types[ $post_type ]; 1492 } 1493 1494 /** 1495 * Get a list of all registered post type objects. 1496 * 1497 * @since 2.9.0 1498 * 1499 * @global array $wp_post_types List of post types. 1500 * 1501 * @see register_post_type() for accepted arguments. 1502 * 1503 * @param array|string $args Optional. An array of key => value arguments to match against 1504 * the post type objects. Default empty array. 1505 * @param string $output Optional. The type of output to return. Accepts post type 'names' 1506 * or 'objects'. Default 'names'. 1507 * @param string $operator Optional. The logical operation to perform. 'or' means only one 1508 * element from the array needs to match; 'and' means all elements 1509 * must match; 'not' means no elements may match. Default 'and'. 1510 * @return string[]|WP_Post_Type[] An array of post type names or objects. 1511 */ 1512 function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) { 1513 global $wp_post_types; 1514 1515 $field = ( 'names' === $output ) ? 'name' : false; 1516 1517 return wp_filter_object_list( $wp_post_types, $args, $operator, $field ); 1518 } 1519 1520 /** 1521 * Registers a post type. 1522 * 1523 * Note: Post type registrations should not be hooked before the 1524 * {@see 'init'} action. Also, any taxonomy connections should be 1525 * registered via the `$taxonomies` argument to ensure consistency 1526 * when hooks such as {@see 'parse_query'} or {@see 'pre_get_posts'} 1527 * are used. 1528 * 1529 * Post types can support any number of built-in core features such 1530 * as meta boxes, custom fields, post thumbnails, post statuses, 1531 * comments, and more. See the `$supports` argument for a complete 1532 * list of supported features. 1533 * 1534 * @since 2.9.0 1535 * @since 3.0.0 The `show_ui` argument is now enforced on the new post screen. 1536 * @since 4.4.0 The `show_ui` argument is now enforced on the post type listing 1537 * screen and post editing screen. 1538 * @since 4.6.0 Post type object returned is now an instance of `WP_Post_Type`. 1539 * @since 4.7.0 Introduced `show_in_rest`, `rest_base` and `rest_controller_class` 1540 * arguments to register the post type in REST API. 1541 * @since 5.0.0 The `template` and `template_lock` arguments were added. 1542 * @since 5.3.0 The `supports` argument will now accept an array of arguments for a feature. 1543 * @since 5.9.0 The `rest_namespace` argument was added. 1544 * 1545 * @global array $wp_post_types List of post types. 1546 * 1547 * @param string $post_type Post type key. Must not exceed 20 characters and may 1548 * only contain lowercase alphanumeric characters, dashes, 1549 * and underscores. See sanitize_key(). 1550 * @param array|string $args { 1551 * Array or string of arguments for registering a post type. 1552 * 1553 * @type string $label Name of the post type shown in the menu. Usually plural. 1554 * Default is value of $labels['name']. 1555 * @type string[] $labels An array of labels for this post type. If not set, post 1556 * labels are inherited for non-hierarchical types and page 1557 * labels for hierarchical ones. See get_post_type_labels() for a full 1558 * list of supported labels. 1559 * @type string $description A short descriptive summary of what the post type is. 1560 * Default empty. 1561 * @type bool $public Whether a post type is intended for use publicly either via 1562 * the admin interface or by front-end users. While the default 1563 * settings of $exclude_from_search, $publicly_queryable, $show_ui, 1564 * and $show_in_nav_menus are inherited from $public, each does not 1565 * rely on this relationship and controls a very specific intention. 1566 * Default false. 1567 * @type bool $hierarchical Whether the post type is hierarchical (e.g. page). Default false. 1568 * @type bool $exclude_from_search Whether to exclude posts with this post type from front end search 1569 * results. Default is the opposite value of $public. 1570 * @type bool $publicly_queryable Whether queries can be performed on the front end for the post type 1571 * as part of parse_request(). Endpoints would include: 1572 * * ?post_type={post_type_key} 1573 * * ?{post_type_key}={single_post_slug} 1574 * * ?{post_type_query_var}={single_post_slug} 1575 * If not set, the default is inherited from $public. 1576 * @type bool $show_ui Whether to generate and allow a UI for managing this post type in the 1577 * admin. Default is value of $public. 1578 * @type bool|string $show_in_menu Where to show the post type in the admin menu. To work, $show_ui 1579 * must be true. If true, the post type is shown in its own top level 1580 * menu. If false, no menu is shown. If a string of an existing top 1581 * level menu ('tools.php' or 'edit.php?post_type=page', for example), the 1582 * post type will be placed as a sub-menu of that. 1583 * Default is value of $show_ui. 1584 * @type bool $show_in_nav_menus Makes this post type available for selection in navigation menus. 1585 * Default is value of $public. 1586 * @type bool $show_in_admin_bar Makes this post type available via the admin bar. Default is value 1587 * of $show_in_menu. 1588 * @type bool $show_in_rest Whether to include the post type in the REST API. Set this to true 1589 * for the post type to be available in the block editor. 1590 * @type string $rest_base To change the base URL of REST API route. Default is $post_type. 1591 * @type string $rest_namespace To change the namespace URL of REST API route. Default is wp/v2. 1592 * @type string $rest_controller_class REST API controller class name. Default is 'WP_REST_Posts_Controller'. 1593 * @type int $menu_position The position in the menu order the post type should appear. To work, 1594 * $show_in_menu must be true. Default null (at the bottom). 1595 * @type string $menu_icon The URL to the icon to be used for this menu. Pass a base64-encoded 1596 * SVG using a data URI, which will be colored to match the color scheme 1597 * -- this should begin with 'data:image/svg+xml;base64,'. Pass the name 1598 * of a Dashicons helper class to use a font icon, e.g. 1599 * 'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty 1600 * so an icon can be added via CSS. Defaults to use the posts icon. 1601 * @type string|array $capability_type The string to use to build the read, edit, and delete capabilities. 1602 * May be passed as an array to allow for alternative plurals when using 1603 * this argument as a base to construct the capabilities, e.g. 1604 * array('story', 'stories'). Default 'post'. 1605 * @type string[] $capabilities Array of capabilities for this post type. $capability_type is used 1606 * as a base to construct capabilities by default. 1607 * See get_post_type_capabilities(). 1608 * @type bool $map_meta_cap Whether to use the internal default meta capability handling. 1609 * Default false. 1610 * @type array $supports Core feature(s) the post type supports. Serves as an alias for calling 1611 * add_post_type_support() directly. Core features include 'title', 1612 * 'editor', 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 1613 * 'page-attributes', 'thumbnail', 'custom-fields', and 'post-formats'. 1614 * Additionally, the 'revisions' feature dictates whether the post type 1615 * will store revisions, and the 'comments' feature dictates whether the 1616 * comments count will show on the edit screen. A feature can also be 1617 * specified as an array of arguments to provide additional information 1618 * about supporting that feature. 1619 * Example: `array( 'my_feature', array( 'field' => 'value' ) )`. 1620 * Default is an array containing 'title' and 'editor'. 1621 * @type callable $register_meta_box_cb Provide a callback function that sets up the meta boxes for the 1622 * edit form. Do remove_meta_box() and add_meta_box() calls in the 1623 * callback. Default null. 1624 * @type string[] $taxonomies An array of taxonomy identifiers that will be registered for the 1625 * post type. Taxonomies can be registered later with register_taxonomy() 1626 * or register_taxonomy_for_object_type(). 1627 * Default empty array. 1628 * @type bool|string $has_archive Whether there should be post type archives, or if a string, the 1629 * archive slug to use. Will generate the proper rewrite rules if 1630 * $rewrite is enabled. Default false. 1631 * @type bool|array $rewrite { 1632 * Triggers the handling of rewrites for this post type. To prevent rewrite, set to false. 1633 * Defaults to true, using $post_type as slug. To specify rewrite rules, an array can be 1634 * passed with any of these keys: 1635 * 1636 * @type string $slug Customize the permastruct slug. Defaults to $post_type key. 1637 * @type bool $with_front Whether the permastruct should be prepended with WP_Rewrite::$front. 1638 * Default true. 1639 * @type bool $feeds Whether the feed permastruct should be built for this post type. 1640 * Default is value of $has_archive. 1641 * @type bool $pages Whether the permastruct should provide for pagination. Default true. 1642 * @type int $ep_mask Endpoint mask to assign. If not specified and permalink_epmask is set, 1643 * inherits from $permalink_epmask. If not specified and permalink_epmask 1644 * is not set, defaults to EP_PERMALINK. 1645 * } 1646 * @type string|bool $query_var Sets the query_var key for this post type. Defaults to $post_type 1647 * key. If false, a post type cannot be loaded at 1648 * ?{query_var}={post_slug}. If specified as a string, the query 1649 * ?{query_var_string}={post_slug} will be valid. 1650 * @type bool $can_export Whether to allow this post type to be exported. Default true. 1651 * @type bool $delete_with_user Whether to delete posts of this type when deleting a user. 1652 * * If true, posts of this type belonging to the user will be moved 1653 * to Trash when the user is deleted. 1654 * * If false, posts of this type belonging to the user will *not* 1655 * be trashed or deleted. 1656 * * If not set (the default), posts are trashed if post type supports 1657 * the 'author' feature. Otherwise posts are not trashed or deleted. 1658 * Default null. 1659 * @type array $template Array of blocks to use as the default initial state for an editor 1660 * session. Each item should be an array containing block name and 1661 * optional attributes. Default empty array. 1662 * @type string|false $template_lock Whether the block template should be locked if $template is set. 1663 * * If set to 'all', the user is unable to insert new blocks, 1664 * move existing blocks and delete blocks. 1665 * * If set to 'insert', the user is able to move existing blocks 1666 * but is unable to insert new blocks and delete blocks. 1667 * Default false. 1668 * @type bool $_builtin FOR INTERNAL USE ONLY! True if this post type is a native or 1669 * "built-in" post_type. Default false. 1670 * @type string $_edit_link FOR INTERNAL USE ONLY! URL segment to use for edit link of 1671 * this post type. Default 'post.php?post=%d'. 1672 * } 1673 * @return WP_Post_Type|WP_Error The registered post type object on success, 1674 * WP_Error object on failure. 1675 */ 1676 function register_post_type( $post_type, $args = array() ) { 1677 global $wp_post_types; 1678 1679 if ( ! is_array( $wp_post_types ) ) { 1680 $wp_post_types = array(); 1681 } 1682 1683 // Sanitize post type name. 1684 $post_type = sanitize_key( $post_type ); 1685 1686 if ( empty( $post_type ) || strlen( $post_type ) > 20 ) { 1687 _doing_it_wrong( __FUNCTION__, __( 'Post type names must be between 1 and 20 characters in length.' ), '4.2.0' ); 1688 return new WP_Error( 'post_type_length_invalid', __( 'Post type names must be between 1 and 20 characters in length.' ) ); 1689 } 1690 1691 $post_type_object = new WP_Post_Type( $post_type, $args ); 1692 $post_type_object->add_supports(); 1693 $post_type_object->add_rewrite_rules(); 1694 $post_type_object->register_meta_boxes(); 1695 1696 $wp_post_types[ $post_type ] = $post_type_object; 1697 1698 $post_type_object->add_hooks(); 1699 $post_type_object->register_taxonomies(); 1700 1701 /** 1702 * Fires after a post type is registered. 1703 * 1704 * @since 3.3.0 1705 * @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object. 1706 * 1707 * @param string $post_type Post type. 1708 * @param WP_Post_Type $post_type_object Arguments used to register the post type. 1709 */ 1710 do_action( 'registered_post_type', $post_type, $post_type_object ); 1711 1712 /** 1713 * Fires after a specific post type is registered. 1714 * 1715 * The dynamic portion of the filter name, `$post_type`, refers to the post type key. 1716 * 1717 * Possible hook names include: 1718 * 1719 * - `registered_post_type_post` 1720 * - `registered_post_type_page` 1721 * 1722 * @since 6.0.0 1723 * 1724 * @param string $post_type Post type. 1725 * @param WP_Post_Type $post_type_object Arguments used to register the post type. 1726 */ 1727 do_action( "registered_post_type_{$post_type}", $post_type, $post_type_object ); 1728 1729 return $post_type_object; 1730 } 1731 1732 /** 1733 * Unregisters a post type. 1734 * 1735 * Cannot be used to unregister built-in post types. 1736 * 1737 * @since 4.5.0 1738 * 1739 * @global array $wp_post_types List of post types. 1740 * 1741 * @param string $post_type Post type to unregister. 1742 * @return true|WP_Error True on success, WP_Error on failure or if the post type doesn't exist. 1743 */ 1744 function unregister_post_type( $post_type ) { 1745 global $wp_post_types; 1746 1747 if ( ! post_type_exists( $post_type ) ) { 1748 return new WP_Error( 'invalid_post_type', __( 'Invalid post type.' ) ); 1749 } 1750 1751 $post_type_object = get_post_type_object( $post_type ); 1752 1753 // Do not allow unregistering internal post types. 1754 if ( $post_type_object->_builtin ) { 1755 return new WP_Error( 'invalid_post_type', __( 'Unregistering a built-in post type is not allowed' ) ); 1756 } 1757 1758 $post_type_object->remove_supports(); 1759 $post_type_object->remove_rewrite_rules(); 1760 $post_type_object->unregister_meta_boxes(); 1761 $post_type_object->remove_hooks(); 1762 $post_type_object->unregister_taxonomies(); 1763 1764 unset( $wp_post_types[ $post_type ] ); 1765 1766 /** 1767 * Fires after a post type was unregistered. 1768 * 1769 * @since 4.5.0 1770 * 1771 * @param string $post_type Post type key. 1772 */ 1773 do_action( 'unregistered_post_type', $post_type ); 1774 1775 return true; 1776 } 1777 1778 /** 1779 * Build an object with all post type capabilities out of a post type object 1780 * 1781 * Post type capabilities use the 'capability_type' argument as a base, if the 1782 * capability is not set in the 'capabilities' argument array or if the 1783 * 'capabilities' argument is not supplied. 1784 * 1785 * The capability_type argument can optionally be registered as an array, with 1786 * the first value being singular and the second plural, e.g. array('story, 'stories') 1787 * Otherwise, an 's' will be added to the value for the plural form. After 1788 * registration, capability_type will always be a string of the singular value. 1789 * 1790 * By default, eight keys are accepted as part of the capabilities array: 1791 * 1792 * - edit_post, read_post, and delete_post are meta capabilities, which are then 1793 * generally mapped to corresponding primitive capabilities depending on the 1794 * context, which would be the post being edited/read/deleted and the user or 1795 * role being checked. Thus these capabilities would generally not be granted 1796 * directly to users or roles. 1797 * 1798 * - edit_posts - Controls whether objects of this post type can be edited. 1799 * - edit_others_posts - Controls whether objects of this type owned by other users 1800 * can be edited. If the post type does not support an author, then this will 1801 * behave like edit_posts. 1802 * - delete_posts - Controls whether objects of this post type can be deleted. 1803 * - publish_posts - Controls publishing objects of this post type. 1804 * - read_private_posts - Controls whether private objects can be read. 1805 * 1806 * These five primitive capabilities are checked in core in various locations. 1807 * There are also six other primitive capabilities which are not referenced 1808 * directly in core, except in map_meta_cap(), which takes the three aforementioned 1809 * meta capabilities and translates them into one or more primitive capabilities 1810 * that must then be checked against the user or role, depending on the context. 1811 * 1812 * - read - Controls whether objects of this post type can be read. 1813 * - delete_private_posts - Controls whether private objects can be deleted. 1814 * - delete_published_posts - Controls whether published objects can be deleted. 1815 * - delete_others_posts - Controls whether objects owned by other users can be 1816 * can be deleted. If the post type does not support an author, then this will 1817 * behave like delete_posts. 1818 * - edit_private_posts - Controls whether private objects can be edited. 1819 * - edit_published_posts - Controls whether published objects can be edited. 1820 * 1821 * These additional capabilities are only used in map_meta_cap(). Thus, they are 1822 * only assigned by default if the post type is registered with the 'map_meta_cap' 1823 * argument set to true (default is false). 1824 * 1825 * @since 3.0.0 1826 * @since 5.4.0 'delete_posts' is included in default capabilities. 1827 * 1828 * @see register_post_type() 1829 * @see map_meta_cap() 1830 * 1831 * @param object $args Post type registration arguments. 1832 * @return object Object with all the capabilities as member variables. 1833 */ 1834 function get_post_type_capabilities( $args ) { 1835 if ( ! is_array( $args->capability_type ) ) { 1836 $args->capability_type = array( $args->capability_type, $args->capability_type . 's' ); 1837 } 1838 1839 // Singular base for meta capabilities, plural base for primitive capabilities. 1840 list( $singular_base, $plural_base ) = $args->capability_type; 1841 1842 $default_capabilities = array( 1843 // Meta capabilities. 1844 'edit_post' => 'edit_' . $singular_base, 1845 'read_post' => 'read_' . $singular_base, 1846 'delete_post' => 'delete_' . $singular_base, 1847 // Primitive capabilities used outside of map_meta_cap(): 1848 'edit_posts' => 'edit_' . $plural_base, 1849 'edit_others_posts' => 'edit_others_' . $plural_base, 1850 'delete_posts' => 'delete_' . $plural_base, 1851 'publish_posts' => 'publish_' . $plural_base, 1852 'read_private_posts' => 'read_private_' . $plural_base, 1853 ); 1854 1855 // Primitive capabilities used within map_meta_cap(): 1856 if ( $args->map_meta_cap ) { 1857 $default_capabilities_for_mapping = array( 1858 'read' => 'read', 1859 'delete_private_posts' => 'delete_private_' . $plural_base, 1860 'delete_published_posts' => 'delete_published_' . $plural_base, 1861 'delete_others_posts' => 'delete_others_' . $plural_base, 1862 'edit_private_posts' => 'edit_private_' . $plural_base, 1863 'edit_published_posts' => 'edit_published_' . $plural_base, 1864 ); 1865 $default_capabilities = array_merge( $default_capabilities, $default_capabilities_for_mapping ); 1866 } 1867 1868 $capabilities = array_merge( $default_capabilities, $args->capabilities ); 1869 1870 // Post creation capability simply maps to edit_posts by default: 1871 if ( ! isset( $capabilities['create_posts'] ) ) { 1872 $capabilities['create_posts'] = $capabilities['edit_posts']; 1873 } 1874 1875 // Remember meta capabilities for future reference. 1876 if ( $args->map_meta_cap ) { 1877 _post_type_meta_capabilities( $capabilities ); 1878 } 1879 1880 return (object) $capabilities; 1881 } 1882 1883 /** 1884 * Store or return a list of post type meta caps for map_meta_cap(). 1885 * 1886 * @since 3.1.0 1887 * @access private 1888 * 1889 * @global array $post_type_meta_caps Used to store meta capabilities. 1890 * 1891 * @param string[] $capabilities Post type meta capabilities. 1892 */ 1893 function _post_type_meta_capabilities( $capabilities = null ) { 1894 global $post_type_meta_caps; 1895 1896 foreach ( $capabilities as $core => $custom ) { 1897 if ( in_array( $core, array( 'read_post', 'delete_post', 'edit_post' ), true ) ) { 1898 $post_type_meta_caps[ $custom ] = $core; 1899 } 1900 } 1901 } 1902 1903 /** 1904 * Builds an object with all post type labels out of a post type object. 1905 * 1906 * Accepted keys of the label array in the post type object: 1907 * 1908 * - `name` - General name for the post type, usually plural. The same and overridden 1909 * by `$post_type_object->label`. Default is 'Posts' / 'Pages'. 1910 * - `singular_name` - Name for one object of this post type. Default is 'Post' / 'Page'. 1911 * - `add_new` - Default is 'Add New' for both hierarchical and non-hierarchical types. 1912 * When internationalizing this string, please use a {@link https://developer.wordpress.org/plugins/internationalization/how-to-internationalize-your-plugin/#disambiguation-by-context gettext context} 1913 * matching your post type. Example: `_x( 'Add New', 'product', 'textdomain' );`. 1914 * - `add_new_item` - Label for adding a new singular item. Default is 'Add New Post' / 'Add New Page'. 1915 * - `edit_item` - Label for editing a singular item. Default is 'Edit Post' / 'Edit Page'. 1916 * - `new_item` - Label for the new item page title. Default is 'New Post' / 'New Page'. 1917 * - `view_item` - Label for viewing a singular item. Default is 'View Post' / 'View Page'. 1918 * - `view_items` - Label for viewing post type archives. Default is 'View Posts' / 'View Pages'. 1919 * - `search_items` - Label for searching plural items. Default is 'Search Posts' / 'Search Pages'. 1920 * - `not_found` - Label used when no items are found. Default is 'No posts found' / 'No pages found'. 1921 * - `not_found_in_trash` - Label used when no items are in the Trash. Default is 'No posts found in Trash' / 1922 * 'No pages found in Trash'. 1923 * - `parent_item_colon` - Label used to prefix parents of hierarchical items. Not used on non-hierarchical 1924 * post types. Default is 'Parent Page:'. 1925 * - `all_items` - Label to signify all items in a submenu link. Default is 'All Posts' / 'All Pages'. 1926 * - `archives` - Label for archives in nav menus. Default is 'Post Archives' / 'Page Archives'. 1927 * - `attributes` - Label for the attributes meta box. Default is 'Post Attributes' / 'Page Attributes'. 1928 * - `insert_into_item` - Label for the media frame button. Default is 'Insert into post' / 'Insert into page'. 1929 * - `uploaded_to_this_item` - Label for the media frame filter. Default is 'Uploaded to this post' / 1930 * 'Uploaded to this page'. 1931 * - `featured_image` - Label for the featured image meta box title. Default is 'Featured image'. 1932 * - `set_featured_image` - Label for setting the featured image. Default is 'Set featured image'. 1933 * - `remove_featured_image` - Label for removing the featured image. Default is 'Remove featured image'. 1934 * - `use_featured_image` - Label in the media frame for using a featured image. Default is 'Use as featured image'. 1935 * - `menu_name` - Label for the menu name. Default is the same as `name`. 1936 * - `filter_items_list` - Label for the table views hidden heading. Default is 'Filter posts list' / 1937 * 'Filter pages list'. 1938 * - `filter_by_date` - Label for the date filter in list tables. Default is 'Filter by date'. 1939 * - `items_list_navigation` - Label for the table pagination hidden heading. Default is 'Posts list navigation' / 1940 * 'Pages list navigation'. 1941 * - `items_list` - Label for the table hidden heading. Default is 'Posts list' / 'Pages list'. 1942 * - `item_published` - Label used when an item is published. Default is 'Post published.' / 'Page published.' 1943 * - `item_published_privately` - Label used when an item is published with private visibility. 1944 * Default is 'Post published privately.' / 'Page published privately.' 1945 * - `item_reverted_to_draft` - Label used when an item is switched to a draft. 1946 * Default is 'Post reverted to draft.' / 'Page reverted to draft.' 1947 * - `item_scheduled` - Label used when an item is scheduled for publishing. Default is 'Post scheduled.' / 1948 * 'Page scheduled.' 1949 * - `item_updated` - Label used when an item is updated. Default is 'Post updated.' / 'Page updated.' 1950 * - `item_link` - Title for a navigation link block variation. Default is 'Post Link' / 'Page Link'. 1951 * - `item_link_description` - Description for a navigation link block variation. Default is 'A link to a post.' / 1952 * 'A link to a page.' 1953 * 1954 * Above, the first default value is for non-hierarchical post types (like posts) 1955 * and the second one is for hierarchical post types (like pages). 1956 * 1957 * Note: To set labels used in post type admin notices, see the {@see 'post_updated_messages'} filter. 1958 * 1959 * @since 3.0.0 1960 * @since 4.3.0 Added the `featured_image`, `set_featured_image`, `remove_featured_image`, 1961 * and `use_featured_image` labels. 1962 * @since 4.4.0 Added the `archives`, `insert_into_item`, `uploaded_to_this_item`, `filter_items_list`, 1963 * `items_list_navigation`, and `items_list` labels. 1964 * @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object. 1965 * @since 4.7.0 Added the `view_items` and `attributes` labels. 1966 * @since 5.0.0 Added the `item_published`, `item_published_privately`, `item_reverted_to_draft`, 1967 * `item_scheduled`, and `item_updated` labels. 1968 * @since 5.7.0 Added the `filter_by_date` label. 1969 * @since 5.8.0 Added the `item_link` and `item_link_description` labels. 1970 * 1971 * @access private 1972 * 1973 * @param object|WP_Post_Type $post_type_object Post type object. 1974 * @return object Object with all the labels as member variables. 1975 */ 1976 function get_post_type_labels( $post_type_object ) { 1977 $nohier_vs_hier_defaults = WP_Post_Type::get_default_labels(); 1978 1979 $nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name']; 1980 1981 $labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults ); 1982 1983 $post_type = $post_type_object->name; 1984 1985 $default_labels = clone $labels; 1986 1987 /** 1988 * Filters the labels of a specific post type. 1989 * 1990 * The dynamic portion of the hook name, `$post_type`, refers to 1991 * the post type slug. 1992 * 1993 * Possible hook names include: 1994 * 1995 * - `post_type_labels_post` 1996 * - `post_type_labels_page` 1997 * - `post_type_labels_attachment` 1998 * 1999 * @since 3.5.0 2000 * 2001 * @see get_post_type_labels() for the full list of labels. 2002 * 2003 * @param object $labels Object with labels for the post type as member variables. 2004 */ 2005 $labels = apply_filters( "post_type_labels_{$post_type}", $labels ); 2006 2007 // Ensure that the filtered labels contain all required default values. 2008 $labels = (object) array_merge( (array) $default_labels, (array) $labels ); 2009 2010 return $labels; 2011 } 2012 2013 /** 2014 * Build an object with custom-something object (post type, taxonomy) labels 2015 * out of a custom-something object 2016 * 2017 * @since 3.0.0 2018 * @access private 2019 * 2020 * @param object $object A custom-something object. 2021 * @param array $nohier_vs_hier_defaults Hierarchical vs non-hierarchical default labels. 2022 * @return object Object containing labels for the given custom-something object. 2023 */ 2024 function _get_custom_object_labels( $object, $nohier_vs_hier_defaults ) { 2025 $object->labels = (array) $object->labels; 2026 2027 if ( isset( $object->label ) && empty( $object->labels['name'] ) ) { 2028 $object->labels['name'] = $object->label; 2029 } 2030 2031 if ( ! isset( $object->labels['singular_name'] ) && isset( $object->labels['name'] ) ) { 2032 $object->labels['singular_name'] = $object->labels['name']; 2033 } 2034 2035 if ( ! isset( $object->labels['name_admin_bar'] ) ) { 2036 $object->labels['name_admin_bar'] = isset( $object->labels['singular_name'] ) ? $object->labels['singular_name'] : $object->name; 2037 } 2038 2039 if ( ! isset( $object->labels['menu_name'] ) && isset( $object->labels['name'] ) ) { 2040 $object->labels['menu_name'] = $object->labels['name']; 2041 } 2042 2043 if ( ! isset( $object->labels['all_items'] ) && isset( $object->labels['menu_name'] ) ) { 2044 $object->labels['all_items'] = $object->labels['menu_name']; 2045 } 2046 2047 if ( ! isset( $object->labels['archives'] ) && isset( $object->labels['all_items'] ) ) { 2048 $object->labels['archives'] = $object->labels['all_items']; 2049 } 2050 2051 $defaults = array(); 2052 foreach ( $nohier_vs_hier_defaults as $key => $value ) { 2053 $defaults[ $key ] = $object->hierarchical ? $value[1] : $value[0]; 2054 } 2055 $labels = array_merge( $defaults, $object->labels ); 2056 $object->labels = (object) $object->labels; 2057 2058 return (object) $labels; 2059 } 2060 2061 /** 2062 * Add submenus for post types. 2063 * 2064 * @access private 2065 * @since 3.1.0 2066 */ 2067 function _add_post_type_submenus() { 2068 foreach ( get_post_types( array( 'show_ui' => true ) ) as $ptype ) { 2069 $ptype_obj = get_post_type_object( $ptype ); 2070 // Sub-menus only. 2071 if ( ! $ptype_obj->show_in_menu || true === $ptype_obj->show_in_menu ) { 2072 continue; 2073 } 2074 add_submenu_page( $ptype_obj->show_in_menu, $ptype_obj->labels->name, $ptype_obj->labels->all_items, $ptype_obj->cap->edit_posts, "edit.php?post_type=$ptype" ); 2075 } 2076 } 2077 2078 /** 2079 * Registers support of certain features for a post type. 2080 * 2081 * All core features are directly associated with a functional area of the edit 2082 * screen, such as the editor or a meta box. Features include: 'title', 'editor', 2083 * 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 'page-attributes', 2084 * 'thumbnail', 'custom-fields', and 'post-formats'. 2085 * 2086 * Additionally, the 'revisions' feature dictates whether the post type will 2087 * store revisions, and the 'comments' feature dictates whether the comments 2088 * count will show on the edit screen. 2089 * 2090 * A third, optional parameter can also be passed along with a feature to provide 2091 * additional information about supporting that feature. 2092 * 2093 * Example usage: 2094 * 2095 * add_post_type_support( 'my_post_type', 'comments' ); 2096 * add_post_type_support( 'my_post_type', array( 2097 * 'author', 'excerpt', 2098 * ) ); 2099 * add_post_type_support( 'my_post_type', 'my_feature', array( 2100 * 'field' => 'value', 2101 * ) ); 2102 * 2103 * @since 3.0.0 2104 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter 2105 * by adding it to the function signature. 2106 * 2107 * @global array $_wp_post_type_features 2108 * 2109 * @param string $post_type The post type for which to add the feature. 2110 * @param string|array $feature The feature being added, accepts an array of 2111 * feature strings or a single string. 2112 * @param mixed ...$args Optional extra arguments to pass along with certain features. 2113 */ 2114 function add_post_type_support( $post_type, $feature, ...$args ) { 2115 global $_wp_post_type_features; 2116 2117 $features = (array) $feature; 2118 foreach ( $features as $feature ) { 2119 if ( $args ) { 2120 $_wp_post_type_features[ $post_type ][ $feature ] = $args; 2121 } else { 2122 $_wp_post_type_features[ $post_type ][ $feature ] = true; 2123 } 2124 } 2125 } 2126 2127 /** 2128 * Remove support for a feature from a post type. 2129 * 2130 * @since 3.0.0 2131 * 2132 * @global array $_wp_post_type_features 2133 * 2134 * @param string $post_type The post type for which to remove the feature. 2135 * @param string $feature The feature being removed. 2136 */ 2137 function remove_post_type_support( $post_type, $feature ) { 2138 global $_wp_post_type_features; 2139 2140 unset( $_wp_post_type_features[ $post_type ][ $feature ] ); 2141 } 2142 2143 /** 2144 * Get all the post type features 2145 * 2146 * @since 3.4.0 2147 * 2148 * @global array $_wp_post_type_features 2149 * 2150 * @param string $post_type The post type. 2151 * @return array Post type supports list. 2152 */ 2153 function get_all_post_type_supports( $post_type ) { 2154 global $_wp_post_type_features; 2155 2156 if ( isset( $_wp_post_type_features[ $post_type ] ) ) { 2157 return $_wp_post_type_features[ $post_type ]; 2158 } 2159 2160 return array(); 2161 } 2162 2163 /** 2164 * Check a post type's support for a given feature. 2165 * 2166 * @since 3.0.0 2167 * 2168 * @global array $_wp_post_type_features 2169 * 2170 * @param string $post_type The post type being checked. 2171 * @param string $feature The feature being checked. 2172 * @return bool Whether the post type supports the given feature. 2173 */ 2174 function post_type_supports( $post_type, $feature ) { 2175 global $_wp_post_type_features; 2176 2177 return ( isset( $_wp_post_type_features[ $post_type ][ $feature ] ) ); 2178 } 2179 2180 /** 2181 * Retrieves a list of post type names that support a specific feature. 2182 * 2183 * @since 4.5.0 2184 * 2185 * @global array $_wp_post_type_features Post type features 2186 * 2187 * @param array|string $feature Single feature or an array of features the post types should support. 2188 * @param string $operator Optional. The logical operation to perform. 'or' means 2189 * only one element from the array needs to match; 'and' 2190 * means all elements must match; 'not' means no elements may 2191 * match. Default 'and'. 2192 * @return string[] A list of post type names. 2193 */ 2194 function get_post_types_by_support( $feature, $operator = 'and' ) { 2195 global $_wp_post_type_features; 2196 2197 $features = array_fill_keys( (array) $feature, true ); 2198 2199 return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) ); 2200 } 2201 2202 /** 2203 * Update the post type for the post ID. 2204 * 2205 * The page or post cache will be cleaned for the post ID. 2206 * 2207 * @since 2.5.0 2208 * 2209 * @global wpdb $wpdb WordPress database abstraction object. 2210 * 2211 * @param int $post_id Optional. Post ID to change post type. Default 0. 2212 * @param string $post_type Optional. Post type. Accepts 'post' or 'page' to 2213 * name a few. Default 'post'. 2214 * @return int|false Amount of rows changed. Should be 1 for success and 0 for failure. 2215 */ 2216 function set_post_type( $post_id = 0, $post_type = 'post' ) { 2217 global $wpdb; 2218 2219 $post_type = sanitize_post_field( 'post_type', $post_type, $post_id, 'db' ); 2220 $return = $wpdb->update( $wpdb->posts, array( 'post_type' => $post_type ), array( 'ID' => $post_id ) ); 2221 2222 clean_post_cache( $post_id ); 2223 2224 return $return; 2225 } 2226 2227 /** 2228 * Determines whether a post type is considered "viewable". 2229 * 2230 * For built-in post types such as posts and pages, the 'public' value will be evaluated. 2231 * For all others, the 'publicly_queryable' value will be used. 2232 * 2233 * @since 4.4.0 2234 * @since 4.5.0 Added the ability to pass a post type name in addition to object. 2235 * @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object. 2236 * @since 5.9.0 Added `is_post_type_viewable` hook to filter the result. 2237 * 2238 * @param string|WP_Post_Type $post_type Post type name or object. 2239 * @return bool Whether the post type should be considered viewable. 2240 */ 2241 function is_post_type_viewable( $post_type ) { 2242 if ( is_scalar( $post_type ) ) { 2243 $post_type = get_post_type_object( $post_type ); 2244 if ( ! $post_type ) { 2245 return false; 2246 } 2247 } 2248 2249 if ( ! is_object( $post_type ) ) { 2250 return false; 2251 } 2252 2253 $is_viewable = $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public ); 2254 2255 /** 2256 * Filters whether a post type is considered "viewable". 2257 * 2258 * The returned filtered value must be a boolean type to ensure 2259 * `is_post_type_viewable()` only returns a boolean. This strictness 2260 * is by design to maintain backwards-compatibility and guard against 2261 * potential type errors in PHP 8.1+. Non-boolean values (even falsey 2262 * and truthy values) will result in the function returning false. 2263 * 2264 * @since 5.9.0 2265 * 2266 * @param bool $is_viewable Whether the post type is "viewable" (strict type). 2267 * @param WP_Post_Type $post_type Post type object. 2268 */ 2269 return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type ); 2270 } 2271 2272 /** 2273 * Determine whether a post status is considered "viewable". 2274 * 2275 * For built-in post statuses such as publish and private, the 'public' value will be evaluated. 2276 * For all others, the 'publicly_queryable' value will be used. 2277 * 2278 * @since 5.7.0 2279 * @since 5.9.0 Added `is_post_status_viewable` hook to filter the result. 2280 * 2281 * @param string|stdClass $post_status Post status name or object. 2282 * @return bool Whether the post status should be considered viewable. 2283 */ 2284 function is_post_status_viewable( $post_status ) { 2285 if ( is_scalar( $post_status ) ) { 2286 $post_status = get_post_status_object( $post_status ); 2287 if ( ! $post_status ) { 2288 return false; 2289 } 2290 } 2291 2292 if ( 2293 ! is_object( $post_status ) || 2294 $post_status->internal || 2295 $post_status->protected 2296 ) { 2297 return false; 2298 } 2299 2300 $is_viewable = $post_status->publicly_queryable || ( $post_status->_builtin && $post_status->public ); 2301 2302 /** 2303 * Filters whether a post status is considered "viewable". 2304 * 2305 * The returned filtered value must be a boolean type to ensure 2306 * `is_post_status_viewable()` only returns a boolean. This strictness 2307 * is by design to maintain backwards-compatibility and guard against 2308 * potential type errors in PHP 8.1+. Non-boolean values (even falsey 2309 * and truthy values) will result in the function returning false. 2310 * 2311 * @since 5.9.0 2312 * 2313 * @param bool $is_viewable Whether the post status is "viewable" (strict type). 2314 * @param stdClass $post_status Post status object. 2315 */ 2316 return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status ); 2317 } 2318 2319 /** 2320 * Determine whether a post is publicly viewable. 2321 * 2322 * Posts are considered publicly viewable if both the post status and post type 2323 * are viewable. 2324 * 2325 * @since 5.7.0 2326 * 2327 * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. 2328 * @return bool Whether the post is publicly viewable. 2329 */ 2330 function is_post_publicly_viewable( $post = null ) { 2331 $post = get_post( $post ); 2332 2333 if ( ! $post ) { 2334 return false; 2335 } 2336 2337 $post_type = get_post_type( $post ); 2338 $post_status = get_post_status( $post ); 2339 2340 return is_post_type_viewable( $post_type ) && is_post_status_viewable( $post_status ); 2341 } 2342 2343 /** 2344 * Retrieves an array of the latest posts, or posts matching the given criteria. 2345 * 2346 * For more information on the accepted arguments, see the 2347 * {@link https://developer.wordpress.org/reference/classes/wp_query/ 2348 * WP_Query} documentation in the Developer Handbook. 2349 * 2350 * The `$ignore_sticky_posts` and `$no_found_rows` arguments are ignored by 2351 * this function and both are set to `true`. 2352 * 2353 * The defaults are as follows: 2354 * 2355 * @since 1.2.0 2356 * 2357 * @see WP_Query 2358 * @see WP_Query::parse_query() 2359 * 2360 * @param array $args { 2361 * Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all available arguments. 2362 * 2363 * @type int $numberposts Total number of posts to retrieve. Is an alias of `$posts_per_page` 2364 * in WP_Query. Accepts -1 for all. Default 5. 2365 * @type int|string $category Category ID or comma-separated list of IDs (this or any children). 2366 * Is an alias of `$cat` in WP_Query. Default 0. 2367 * @type int[] $include An array of post IDs to retrieve, sticky posts will be included. 2368 * Is an alias of `$post__in` in WP_Query. Default empty array. 2369 * @type int[] $exclude An array of post IDs not to retrieve. Default empty array. 2370 * @type bool $suppress_filters Whether to suppress filters. Default true. 2371 * } 2372 * @return WP_Post[]|int[] Array of post objects or post IDs. 2373 */ 2374 function get_posts( $args = null ) { 2375 $defaults = array( 2376 'numberposts' => 5, 2377 'category' => 0, 2378 'orderby' => 'date', 2379 'order' => 'DESC', 2380 'include' => array(), 2381 'exclude' => array(), 2382 'meta_key' => '', 2383 'meta_value' => '', 2384 'post_type' => 'post', 2385 'suppress_filters' => true, 2386 ); 2387 2388 $parsed_args = wp_parse_args( $args, $defaults ); 2389 if ( empty( $parsed_args['post_status'] ) ) { 2390 $parsed_args['post_status'] = ( 'attachment' === $parsed_args['post_type'] ) ? 'inherit' : 'publish'; 2391 } 2392 if ( ! empty( $parsed_args['numberposts'] ) && empty( $parsed_args['posts_per_page'] ) ) { 2393 $parsed_args['posts_per_page'] = $parsed_args['numberposts']; 2394 } 2395 if ( ! empty( $parsed_args['category'] ) ) { 2396 $parsed_args['cat'] = $parsed_args['category']; 2397 } 2398 if ( ! empty( $parsed_args['include'] ) ) { 2399 $incposts = wp_parse_id_list( $parsed_args['include'] ); 2400 $parsed_args['posts_per_page'] = count( $incposts ); // Only the number of posts included. 2401 $parsed_args['post__in'] = $incposts; 2402 } elseif ( ! empty( $parsed_args['exclude'] ) ) { 2403 $parsed_args['post__not_in'] = wp_parse_id_list( $parsed_args['exclude'] ); 2404 } 2405 2406 $parsed_args['ignore_sticky_posts'] = true; 2407 $parsed_args['no_found_rows'] = true; 2408 2409 $get_posts = new WP_Query; 2410 return $get_posts->query( $parsed_args ); 2411 2412 } 2413 2414 // 2415 // Post meta functions. 2416 // 2417 2418 /** 2419 * Adds a meta field to the given post. 2420 * 2421 * Post meta data is called "Custom Fields" on the Administration Screen. 2422 * 2423 * @since 1.5.0 2424 * 2425 * @param int $post_id Post ID. 2426 * @param string $meta_key Metadata name. 2427 * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. 2428 * @param bool $unique Optional. Whether the same key should not be added. 2429 * Default false. 2430 * @return int|false Meta ID on success, false on failure. 2431 */ 2432 function add_post_meta( $post_id, $meta_key, $meta_value, $unique = false ) { 2433 // Make sure meta is added to the post, not a revision. 2434 $the_post = wp_is_post_revision( $post_id ); 2435 if ( $the_post ) { 2436 $post_id = $the_post; 2437 } 2438 2439 return add_metadata( 'post', $post_id, $meta_key, $meta_value, $unique ); 2440 } 2441 2442 /** 2443 * Deletes a post meta field for the given post ID. 2444 * 2445 * You can match based on the key, or key and value. Removing based on key and 2446 * value, will keep from removing duplicate metadata with the same key. It also 2447 * allows removing all metadata matching the key, if needed. 2448 * 2449 * @since 1.5.0 2450 * 2451 * @param int $post_id Post ID. 2452 * @param string $meta_key Metadata name. 2453 * @param mixed $meta_value Optional. Metadata value. If provided, 2454 * rows will only be removed that match the value. 2455 * Must be serializable if non-scalar. Default empty. 2456 * @return bool True on success, false on failure. 2457 */ 2458 function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) { 2459 // Make sure meta is deleted from the post, not from a revision. 2460 $the_post = wp_is_post_revision( $post_id ); 2461 if ( $the_post ) { 2462 $post_id = $the_post; 2463 } 2464 2465 return delete_metadata( 'post', $post_id, $meta_key, $meta_value ); 2466 } 2467 2468 /** 2469 * Retrieves a post meta field for the given post ID. 2470 * 2471 * @since 1.5.0 2472 * 2473 * @param int $post_id Post ID. 2474 * @param string $key Optional. The meta key to retrieve. By default, 2475 * returns data for all keys. Default empty. 2476 * @param bool $single Optional. Whether to return a single value. 2477 * This parameter has no effect if `$key` is not specified. 2478 * Default false. 2479 * @return mixed An array of values if `$single` is false. 2480 * The value of the meta field if `$single` is true. 2481 * False for an invalid `$post_id` (non-numeric, zero, or negative value). 2482 * An empty string if a valid but non-existing post ID is passed. 2483 */ 2484 function get_post_meta( $post_id, $key = '', $single = false ) { 2485 return get_metadata( 'post', $post_id, $key, $single ); 2486 } 2487 2488 /** 2489 * Updates a post meta field based on the given post ID. 2490 * 2491 * Use the `$prev_value` parameter to differentiate between meta fields with the 2492 * same key and post ID. 2493 * 2494 * If the meta field for the post does not exist, it will be added and its ID returned. 2495 * 2496 * Can be used in place of add_post_meta(). 2497 * 2498 * @since 1.5.0 2499 * 2500 * @param int $post_id Post ID. 2501 * @param string $meta_key Metadata key. 2502 * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. 2503 * @param mixed $prev_value Optional. Previous value to check before updating. 2504 * If specified, only update existing metadata entries with 2505 * this value. Otherwise, update all entries. Default empty. 2506 * @return int|bool Meta ID if the key didn't exist, true on successful update, 2507 * false on failure or if the value passed to the function 2508 * is the same as the one that is already in the database. 2509 */ 2510 function update_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '' ) { 2511 // Make sure meta is updated for the post, not for a revision. 2512 $the_post = wp_is_post_revision( $post_id ); 2513 if ( $the_post ) { 2514 $post_id = $the_post; 2515 } 2516 2517 return update_metadata( 'post', $post_id, $meta_key, $meta_value, $prev_value ); 2518 } 2519 2520 /** 2521 * Deletes everything from post meta matching the given meta key. 2522 * 2523 * @since 2.3.0 2524 * 2525 * @param string $post_meta_key Key to search for when deleting. 2526 * @return bool Whether the post meta key was deleted from the database. 2527 */ 2528 function delete_post_meta_by_key( $post_meta_key ) { 2529 return delete_metadata( 'post', null, $post_meta_key, '', true ); 2530 } 2531 2532 /** 2533 * Registers a meta key for posts. 2534 * 2535 * @since 4.9.8 2536 * 2537 * @param string $post_type Post type to register a meta key for. Pass an empty string 2538 * to register the meta key across all existing post types. 2539 * @param string $meta_key The meta key to register. 2540 * @param array $args Data used to describe the meta key when registered. See 2541 * {@see register_meta()} for a list of supported arguments. 2542 * @return bool True if the meta key was successfully registered, false if not. 2543 */ 2544 function register_post_meta( $post_type, $meta_key, array $args ) { 2545 $args['object_subtype'] = $post_type; 2546 2547 return register_meta( 'post', $meta_key, $args ); 2548 } 2549 2550 /** 2551 * Unregisters a meta key for posts. 2552 * 2553 * @since 4.9.8 2554 * 2555 * @param string $post_type Post type the meta key is currently registered for. Pass 2556 * an empty string if the meta key is registered across all 2557 * existing post types. 2558 * @param string $meta_key The meta key to unregister. 2559 * @return bool True on success, false if the meta key was not previously registered. 2560 */ 2561 function unregister_post_meta( $post_type, $meta_key ) { 2562 return unregister_meta_key( 'post', $meta_key, $post_type ); 2563 } 2564 2565 /** 2566 * Retrieve post meta fields, based on post ID. 2567 * 2568 * The post meta fields are retrieved from the cache where possible, 2569 * so the function is optimized to be called more than once. 2570 * 2571 * @since 1.2.0 2572 * 2573 * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. 2574 * @return mixed An array of values. 2575 * False for an invalid `$post_id` (non-numeric, zero, or negative value). 2576 * An empty string if a valid but non-existing post ID is passed. 2577 */ 2578 function get_post_custom( $post_id = 0 ) { 2579 $post_id = absint( $post_id ); 2580 if ( ! $post_id ) { 2581 $post_id = get_the_ID(); 2582 } 2583 2584 return get_post_meta( $post_id ); 2585 } 2586 2587 /** 2588 * Retrieve meta field names for a post. 2589 * 2590 * If there are no meta fields, then nothing (null) will be returned. 2591 * 2592 * @since 1.2.0 2593 * 2594 * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. 2595 * @return array|void Array of the keys, if retrieved. 2596 */ 2597 function get_post_custom_keys( $post_id = 0 ) { 2598 $custom = get_post_custom( $post_id ); 2599 2600 if ( ! is_array( $custom ) ) { 2601 return; 2602 } 2603 2604 $keys = array_keys( $custom ); 2605 if ( $keys ) { 2606 return $keys; 2607 } 2608 } 2609 2610 /** 2611 * Retrieve values for a custom post field. 2612 * 2613 * The parameters must not be considered optional. All of the post meta fields 2614 * will be retrieved and only the meta field key values returned. 2615 * 2616 * @since 1.2.0 2617 * 2618 * @param string $key Optional. Meta field key. Default empty. 2619 * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. 2620 * @return array|null Meta field values. 2621 */ 2622 function get_post_custom_values( $key = '', $post_id = 0 ) { 2623 if ( ! $key ) { 2624 return null; 2625 } 2626 2627 $custom = get_post_custom( $post_id ); 2628 2629 return isset( $custom[ $key ] ) ? $custom[ $key ] : null; 2630 } 2631 2632 /** 2633 * Determines whether a post is sticky. 2634 * 2635 * Sticky posts should remain at the top of The Loop. If the post ID is not 2636 * given, then The Loop ID for the current post will be used. 2637 * 2638 * For more information on this and similar theme functions, check out 2639 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 2640 * Conditional Tags} article in the Theme Developer Handbook. 2641 * 2642 * @since 2.7.0 2643 * 2644 * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. 2645 * @return bool Whether post is sticky. 2646 */ 2647 function is_sticky( $post_id = 0 ) { 2648 $post_id = absint( $post_id ); 2649 2650 if ( ! $post_id ) { 2651 $post_id = get_the_ID(); 2652 } 2653 2654 $stickies = get_option( 'sticky_posts' ); 2655 2656 if ( is_array( $stickies ) ) { 2657 $stickies = array_map( 'intval', $stickies ); 2658 $is_sticky = in_array( $post_id, $stickies, true ); 2659 } else { 2660 $is_sticky = false; 2661 } 2662 2663 /** 2664 * Filters whether a post is sticky. 2665 * 2666 * @since 5.3.0 2667 * 2668 * @param bool $is_sticky Whether a post is sticky. 2669 * @param int $post_id Post ID. 2670 */ 2671 return apply_filters( 'is_sticky', $is_sticky, $post_id ); 2672 } 2673 2674 /** 2675 * Sanitizes every post field. 2676 * 2677 * If the context is 'raw', then the post object or array will get minimal 2678 * sanitization of the integer fields. 2679 * 2680 * @since 2.3.0 2681 * 2682 * @see sanitize_post_field() 2683 * 2684 * @param object|WP_Post|array $post The post object or array 2685 * @param string $context Optional. How to sanitize post fields. 2686 * Accepts 'raw', 'edit', 'db', 'display', 2687 * 'attribute', or 'js'. Default 'display'. 2688 * @return object|WP_Post|array The now sanitized post object or array (will be the 2689 * same type as `$post`). 2690 */ 2691 function sanitize_post( $post, $context = 'display' ) { 2692 if ( is_object( $post ) ) { 2693 // Check if post already filtered for this context. 2694 if ( isset( $post->filter ) && $context == $post->filter ) { 2695 return $post; 2696 } 2697 if ( ! isset( $post->ID ) ) { 2698 $post->ID = 0; 2699 } 2700 foreach ( array_keys( get_object_vars( $post ) ) as $field ) { 2701 $post->$field = sanitize_post_field( $field, $post->$field, $post->ID, $context ); 2702 } 2703 $post->filter = $context; 2704 } elseif ( is_array( $post ) ) { 2705 // Check if post already filtered for this context. 2706 if ( isset( $post['filter'] ) && $context == $post['filter'] ) { 2707 return $post; 2708 } 2709 if ( ! isset( $post['ID'] ) ) { 2710 $post['ID'] = 0; 2711 } 2712 foreach ( array_keys( $post ) as $field ) { 2713 $post[ $field ] = sanitize_post_field( $field, $post[ $field ], $post['ID'], $context ); 2714 } 2715 $post['filter'] = $context; 2716 } 2717 return $post; 2718 } 2719 2720 /** 2721 * Sanitizes a post field based on context. 2722 * 2723 * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 2724 * 'js'. The 'display' context is used by default. 'attribute' and 'js' contexts 2725 * are treated like 'display' when calling filters. 2726 * 2727 * @since 2.3.0 2728 * @since 4.4.0 Like `sanitize_post()`, `$context` defaults to 'display'. 2729 * 2730 * @param string $field The Post Object field name. 2731 * @param mixed $value The Post Object value. 2732 * @param int $post_id Post ID. 2733 * @param string $context Optional. How to sanitize the field. Possible values are 'raw', 'edit', 2734 * 'db', 'display', 'attribute' and 'js'. Default 'display'. 2735 * @return mixed Sanitized value. 2736 */ 2737 function sanitize_post_field( $field, $value, $post_id, $context = 'display' ) { 2738 $int_fields = array( 'ID', 'post_parent', 'menu_order' ); 2739 if ( in_array( $field, $int_fields, true ) ) { 2740 $value = (int) $value; 2741 } 2742 2743 // Fields which contain arrays of integers. 2744 $array_int_fields = array( 'ancestors' ); 2745 if ( in_array( $field, $array_int_fields, true ) ) { 2746 $value = array_map( 'absint', $value ); 2747 return $value; 2748 } 2749 2750 if ( 'raw' === $context ) { 2751 return $value; 2752 } 2753 2754 $prefixed = false; 2755 if ( false !== strpos( $field, 'post_' ) ) { 2756 $prefixed = true; 2757 $field_no_prefix = str_replace( 'post_', '', $field ); 2758 } 2759 2760 if ( 'edit' === $context ) { 2761 $format_to_edit = array( 'post_content', 'post_excerpt', 'post_title', 'post_password' ); 2762 2763 if ( $prefixed ) { 2764 2765 /** 2766 * Filters the value of a specific post field to edit. 2767 * 2768 * The dynamic portion of the hook name, `$field`, refers to the post 2769 * field name. 2770 * 2771 * @since 2.3.0 2772 * 2773 * @param mixed $value Value of the post field. 2774 * @param int $post_id Post ID. 2775 */ 2776 $value = apply_filters( "edit_{$field}", $value, $post_id ); 2777 2778 /** 2779 * Filters the value of a specific post field to edit. 2780 * 2781 * The dynamic portion of the hook name, `$field_no_prefix`, refers to 2782 * the post field name. 2783 * 2784 * @since 2.3.0 2785 * 2786 * @param mixed $value Value of the post field. 2787 * @param int $post_id Post ID. 2788 */ 2789 $value = apply_filters( "{$field_no_prefix}_edit_pre", $value, $post_id ); 2790 } else { 2791 $value = apply_filters( "edit_post_{$field}", $value, $post_id ); 2792 } 2793 2794 if ( in_array( $field, $format_to_edit, true ) ) { 2795 if ( 'post_content' === $field ) { 2796 $value = format_to_edit( $value, user_can_richedit() ); 2797 } else { 2798 $value = format_to_edit( $value ); 2799 } 2800 } else { 2801 $value = esc_attr( $value ); 2802 } 2803 } elseif ( 'db' === $context ) { 2804 if ( $prefixed ) { 2805 2806 /** 2807 * Filters the value of a specific post field before saving. 2808 * 2809 * The dynamic portion of the hook name, `$field`, refers to the post 2810 * field name. 2811 * 2812 * @since 2.3.0 2813 * 2814 * @param mixed $value Value of the post field. 2815 */ 2816 $value = apply_filters( "pre_{$field}", $value ); 2817 2818 /** 2819 * Filters the value of a specific field before saving. 2820 * 2821 * The dynamic portion of the hook name, `$field_no_prefix`, refers 2822 * to the post field name. 2823 * 2824 * @since 2.3.0 2825 * 2826 * @param mixed $value Value of the post field. 2827 */ 2828 $value = apply_filters( "{$field_no_prefix}_save_pre", $value ); 2829 } else { 2830 $value = apply_filters( "pre_post_{$field}", $value ); 2831 2832 /** 2833 * Filters the value of a specific post field before saving. 2834 * 2835 * The dynamic portion of the hook name, `$field`, refers to the post 2836 * field name. 2837 * 2838 * @since 2.3.0 2839 * 2840 * @param mixed $value Value of the post field. 2841 */ 2842 $value = apply_filters( "{$field}_pre", $value ); 2843 } 2844 } else { 2845 2846 // Use display filters by default. 2847 if ( $prefixed ) { 2848 2849 /** 2850 * Filters the value of a specific post field for display. 2851 * 2852 * The dynamic portion of the hook name, `$field`, refers to the post 2853 * field name. 2854 * 2855 * @since 2.3.0 2856 * 2857 * @param mixed $value Value of the prefixed post field. 2858 * @param int $post_id Post ID. 2859 * @param string $context Context for how to sanitize the field. 2860 * Accepts 'raw', 'edit', 'db', 'display', 2861 * 'attribute', or 'js'. Default 'display'. 2862 */ 2863 $value = apply_filters( "{$field}", $value, $post_id, $context ); 2864 } else { 2865 $value = apply_filters( "post_{$field}", $value, $post_id, $context ); 2866 } 2867 2868 if ( 'attribute' === $context ) { 2869 $value = esc_attr( $value ); 2870 } elseif ( 'js' === $context ) { 2871 $value = esc_js( $value ); 2872 } 2873 } 2874 2875 // Restore the type for integer fields after esc_attr(). 2876 if ( in_array( $field, $int_fields, true ) ) { 2877 $value = (int) $value; 2878 } 2879 2880 return $value; 2881 } 2882 2883 /** 2884 * Make a post sticky. 2885 * 2886 * Sticky posts should be displayed at the top of the front page. 2887 * 2888 * @since 2.7.0 2889 * 2890 * @param int $post_id Post ID. 2891 */ 2892 function stick_post( $post_id ) { 2893 $post_id = (int) $post_id; 2894 $stickies = get_option( 'sticky_posts' ); 2895 $updated = false; 2896 2897 if ( ! is_array( $stickies ) ) { 2898 $stickies = array(); 2899 } else { 2900 $stickies = array_unique( array_map( 'intval', $stickies ) ); 2901 } 2902 2903 if ( ! in_array( $post_id, $stickies, true ) ) { 2904 $stickies[] = $post_id; 2905 $updated = update_option( 'sticky_posts', array_values( $stickies ) ); 2906 } 2907 2908 if ( $updated ) { 2909 /** 2910 * Fires once a post has been added to the sticky list. 2911 * 2912 * @since 4.6.0 2913 * 2914 * @param int $post_id ID of the post that was stuck. 2915 */ 2916 do_action( 'post_stuck', $post_id ); 2917 } 2918 } 2919 2920 /** 2921 * Un-stick a post. 2922 * 2923 * Sticky posts should be displayed at the top of the front page. 2924 * 2925 * @since 2.7.0 2926 * 2927 * @param int $post_id Post ID. 2928 */ 2929 function unstick_post( $post_id ) { 2930 $post_id = (int) $post_id; 2931 $stickies = get_option( 'sticky_posts' ); 2932 2933 if ( ! is_array( $stickies ) ) { 2934 return; 2935 } 2936 2937 $stickies = array_values( array_unique( array_map( 'intval', $stickies ) ) ); 2938 2939 if ( ! in_array( $post_id, $stickies, true ) ) { 2940 return; 2941 } 2942 2943 $offset = array_search( $post_id, $stickies, true ); 2944 if ( false === $offset ) { 2945 return; 2946 } 2947 2948 array_splice( $stickies, $offset, 1 ); 2949 2950 $updated = update_option( 'sticky_posts', $stickies ); 2951 2952 if ( $updated ) { 2953 /** 2954 * Fires once a post has been removed from the sticky list. 2955 * 2956 * @since 4.6.0 2957 * 2958 * @param int $post_id ID of the post that was unstuck. 2959 */ 2960 do_action( 'post_unstuck', $post_id ); 2961 } 2962 } 2963 2964 /** 2965 * Return the cache key for wp_count_posts() based on the passed arguments. 2966 * 2967 * @since 3.9.0 2968 * @access private 2969 * 2970 * @param string $type Optional. Post type to retrieve count Default 'post'. 2971 * @param string $perm Optional. 'readable' or empty. Default empty. 2972 * @return string The cache key. 2973 */ 2974 function _count_posts_cache_key( $type = 'post', $perm = '' ) { 2975 $cache_key = 'posts-' . $type; 2976 2977 if ( 'readable' === $perm && is_user_logged_in() ) { 2978 $post_type_object = get_post_type_object( $type ); 2979 2980 if ( $post_type_object && ! current_user_can( $post_type_object->cap->read_private_posts ) ) { 2981 $cache_key .= '_' . $perm . '_' . get_current_user_id(); 2982 } 2983 } 2984 2985 return $cache_key; 2986 } 2987 2988 /** 2989 * Count number of posts of a post type and if user has permissions to view. 2990 * 2991 * This function provides an efficient method of finding the amount of post's 2992 * type a blog has. Another method is to count the amount of items in 2993 * get_posts(), but that method has a lot of overhead with doing so. Therefore, 2994 * when developing for 2.5+, use this function instead. 2995 * 2996 * The $perm parameter checks for 'readable' value and if the user can read 2997 * private posts, it will display that for the user that is signed in. 2998 * 2999 * @since 2.5.0 3000 * 3001 * @global wpdb $wpdb WordPress database abstraction object. 3002 * 3003 * @param string $type Optional. Post type to retrieve count. Default 'post'. 3004 * @param string $perm Optional. 'readable' or empty. Default empty. 3005 * @return stdClass Number of posts for each status. 3006 */ 3007 function wp_count_posts( $type = 'post', $perm = '' ) { 3008 global $wpdb; 3009 3010 if ( ! post_type_exists( $type ) ) { 3011 return new stdClass; 3012 } 3013 3014 $cache_key = _count_posts_cache_key( $type, $perm ); 3015 3016 $counts = wp_cache_get( $cache_key, 'counts' ); 3017 if ( false !== $counts ) { 3018 // We may have cached this before every status was registered. 3019 foreach ( get_post_stati() as $status ) { 3020 if ( ! isset( $counts->{$status} ) ) { 3021 $counts->{$status} = 0; 3022 } 3023 } 3024 3025 /** This filter is documented in wp-includes/post.php */ 3026 return apply_filters( 'wp_count_posts', $counts, $type, $perm ); 3027 } 3028 3029 $query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s"; 3030 3031 if ( 'readable' === $perm && is_user_logged_in() ) { 3032 $post_type_object = get_post_type_object( $type ); 3033 if ( ! current_user_can( $post_type_object->cap->read_private_posts ) ) { 3034 $query .= $wpdb->prepare( 3035 " AND (post_status != 'private' OR ( post_author = %d AND post_status = 'private' ))", 3036 get_current_user_id() 3037 ); 3038 } 3039 } 3040 3041 $query .= ' GROUP BY post_status'; 3042 3043 $results = (array) $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A ); 3044 $counts = array_fill_keys( get_post_stati(), 0 ); 3045 3046 foreach ( $results as $row ) { 3047 $counts[ $row['post_status'] ] = $row['num_posts']; 3048 } 3049 3050 $counts = (object) $counts; 3051 wp_cache_set( $cache_key, $counts, 'counts' ); 3052 3053 /** 3054 * Modify returned post counts by status for the current post type. 3055 * 3056 * @since 3.7.0 3057 * 3058 * @param stdClass $counts An object containing the current post_type's post 3059 * counts by status. 3060 * @param string $type Post type. 3061 * @param string $perm The permission to determine if the posts are 'readable' 3062 * by the current user. 3063 */ 3064 return apply_filters( 'wp_count_posts', $counts, $type, $perm ); 3065 } 3066 3067 /** 3068 * Count number of attachments for the mime type(s). 3069 * 3070 * If you set the optional mime_type parameter, then an array will still be 3071 * returned, but will only have the item you are looking for. It does not give 3072 * you the number of attachments that are children of a post. You can get that 3073 * by counting the number of children that post has. 3074 * 3075 * @since 2.5.0 3076 * 3077 * @global wpdb $wpdb WordPress database abstraction object. 3078 * 3079 * @param string|string[] $mime_type Optional. Array or comma-separated list of 3080 * MIME patterns. Default empty. 3081 * @return stdClass An object containing the attachment counts by mime type. 3082 */ 3083 function wp_count_attachments( $mime_type = '' ) { 3084 global $wpdb; 3085 3086 $and = wp_post_mime_type_where( $mime_type ); 3087 $count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A ); 3088 3089 $counts = array(); 3090 foreach ( (array) $count as $row ) { 3091 $counts[ $row['post_mime_type'] ] = $row['num_posts']; 3092 } 3093 $counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and" ); 3094 3095 /** 3096 * Modify returned attachment counts by mime type. 3097 * 3098 * @since 3.7.0 3099 * 3100 * @param stdClass $counts An object containing the attachment counts by 3101 * mime type. 3102 * @param string|string[] $mime_type Array or comma-separated list of MIME patterns. 3103 */ 3104 return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type ); 3105 } 3106 3107 /** 3108 * Get default post mime types. 3109 * 3110 * @since 2.9.0 3111 * @since 5.3.0 Added the 'Documents', 'Spreadsheets', and 'Archives' mime type groups. 3112 * 3113 * @return array List of post mime types. 3114 */ 3115 function get_post_mime_types() { 3116 $post_mime_types = array( // array( adj, noun ) 3117 'image' => array( 3118 __( 'Images' ), 3119 __( 'Manage Images' ), 3120 /* translators: %s: Number of images. */ 3121 _n_noop( 3122 'Image <span class="count">(%s)</span>', 3123 'Images <span class="count">(%s)</span>' 3124 ), 3125 ), 3126 'audio' => array( 3127 _x( 'Audio', 'file type group' ), 3128 __( 'Manage Audio' ), 3129 /* translators: %s: Number of audio files. */ 3130 _n_noop( 3131 'Audio <span class="count">(%s)</span>', 3132 'Audio <span class="count">(%s)</span>' 3133 ), 3134 ), 3135 'video' => array( 3136 _x( 'Video', 'file type group' ), 3137 __( 'Manage Video' ), 3138 /* translators: %s: Number of video files. */ 3139 _n_noop( 3140 'Video <span class="count">(%s)</span>', 3141 'Video <span class="count">(%s)</span>' 3142 ), 3143 ), 3144 'document' => array( 3145 __( 'Documents' ), 3146 __( 'Manage Documents' ), 3147 /* translators: %s: Number of documents. */ 3148 _n_noop( 3149 'Document <span class="count">(%s)</span>', 3150 'Documents <span class="count">(%s)</span>' 3151 ), 3152 ), 3153 'spreadsheet' => array( 3154 __( 'Spreadsheets' ), 3155 __( 'Manage Spreadsheets' ), 3156 /* translators: %s: Number of spreadsheets. */ 3157 _n_noop( 3158 'Spreadsheet <span class="count">(%s)</span>', 3159 'Spreadsheets <span class="count">(%s)</span>' 3160 ), 3161 ), 3162 'archive' => array( 3163 _x( 'Archives', 'file type group' ), 3164 __( 'Manage Archives' ), 3165 /* translators: %s: Number of archives. */ 3166 _n_noop( 3167 'Archive <span class="count">(%s)</span>', 3168 'Archives <span class="count">(%s)</span>' 3169 ), 3170 ), 3171 ); 3172 3173 $ext_types = wp_get_ext_types(); 3174 $mime_types = wp_get_mime_types(); 3175 3176 foreach ( $post_mime_types as $group => $labels ) { 3177 if ( in_array( $group, array( 'image', 'audio', 'video' ), true ) ) { 3178 continue; 3179 } 3180 3181 if ( ! isset( $ext_types[ $group ] ) ) { 3182 unset( $post_mime_types[ $group ] ); 3183 continue; 3184 } 3185 3186 $group_mime_types = array(); 3187 foreach ( $ext_types[ $group ] as $extension ) { 3188 foreach ( $mime_types as $exts => $mime ) { 3189 if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { 3190 $group_mime_types[] = $mime; 3191 break; 3192 } 3193 } 3194 } 3195 $group_mime_types = implode( ',', array_unique( $group_mime_types ) ); 3196 3197 $post_mime_types[ $group_mime_types ] = $labels; 3198 unset( $post_mime_types[ $group ] ); 3199 } 3200 3201 /** 3202 * Filters the default list of post mime types. 3203 * 3204 * @since 2.5.0 3205 * 3206 * @param array $post_mime_types Default list of post mime types. 3207 */ 3208 return apply_filters( 'post_mime_types', $post_mime_types ); 3209 } 3210 3211 /** 3212 * Check a MIME-Type against a list. 3213 * 3214 * If the wildcard_mime_types parameter is a string, it must be comma separated 3215 * list. If the real_mime_types is a string, it is also comma separated to 3216 * create the list. 3217 * 3218 * @since 2.5.0 3219 * 3220 * @param string|string[] $wildcard_mime_types Mime types, e.g. audio/mpeg or image (same as image/*) 3221 * or flash (same as *flash*). 3222 * @param string|string[] $real_mime_types Real post mime type values. 3223 * @return array array(wildcard=>array(real types)). 3224 */ 3225 function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) { 3226 $matches = array(); 3227 if ( is_string( $wildcard_mime_types ) ) { 3228 $wildcard_mime_types = array_map( 'trim', explode( ',', $wildcard_mime_types ) ); 3229 } 3230 if ( is_string( $real_mime_types ) ) { 3231 $real_mime_types = array_map( 'trim', explode( ',', $real_mime_types ) ); 3232 } 3233 3234 $patternses = array(); 3235 $wild = '[-._a-z0-9]*'; 3236 3237 foreach ( (array) $wildcard_mime_types as $type ) { 3238 $mimes = array_map( 'trim', explode( ',', $type ) ); 3239 foreach ( $mimes as $mime ) { 3240 $regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) ); 3241 3242 $patternses[][ $type ] = "^$regex$"; 3243 3244 if ( false === strpos( $mime, '/' ) ) { 3245 $patternses[][ $type ] = "^$regex/"; 3246 $patternses[][ $type ] = $regex; 3247 } 3248 } 3249 } 3250 asort( $patternses ); 3251 3252 foreach ( $patternses as $patterns ) { 3253 foreach ( $patterns as $type => $pattern ) { 3254 foreach ( (array) $real_mime_types as $real ) { 3255 if ( preg_match( "#$pattern#", $real ) 3256 && ( empty( $matches[ $type ] ) || false === array_search( $real, $matches[ $type ], true ) ) 3257 ) { 3258 $matches[ $type ][] = $real; 3259 } 3260 } 3261 } 3262 } 3263 3264 return $matches; 3265 } 3266 3267 /** 3268 * Convert MIME types into SQL. 3269 * 3270 * @since 2.5.0 3271 * 3272 * @param string|string[] $post_mime_types List of mime types or comma separated string 3273 * of mime types. 3274 * @param string $table_alias Optional. Specify a table alias, if needed. 3275 * Default empty. 3276 * @return string The SQL AND clause for mime searching. 3277 */ 3278 function wp_post_mime_type_where( $post_mime_types, $table_alias = '' ) { 3279 $where = ''; 3280 $wildcards = array( '', '%', '%/%' ); 3281 if ( is_string( $post_mime_types ) ) { 3282 $post_mime_types = array_map( 'trim', explode( ',', $post_mime_types ) ); 3283 } 3284 3285 $wheres = array(); 3286 3287 foreach ( (array) $post_mime_types as $mime_type ) { 3288 $mime_type = preg_replace( '/\s/', '', $mime_type ); 3289 $slashpos = strpos( $mime_type, '/' ); 3290 if ( false !== $slashpos ) { 3291 $mime_group = preg_replace( '/[^-*.a-zA-Z0-9]/', '', substr( $mime_type, 0, $slashpos ) ); 3292 $mime_subgroup = preg_replace( '/[^-*.+a-zA-Z0-9]/', '', substr( $mime_type, $slashpos + 1 ) ); 3293 if ( empty( $mime_subgroup ) ) { 3294 $mime_subgroup = '*'; 3295 } else { 3296 $mime_subgroup = str_replace( '/', '', $mime_subgroup ); 3297 } 3298 $mime_pattern = "$mime_group/$mime_subgroup"; 3299 } else { 3300 $mime_pattern = preg_replace( '/[^-*.a-zA-Z0-9]/', '', $mime_type ); 3301 if ( false === strpos( $mime_pattern, '*' ) ) { 3302 $mime_pattern .= '/*'; 3303 } 3304 } 3305 3306 $mime_pattern = preg_replace( '/\*+/', '%', $mime_pattern ); 3307 3308 if ( in_array( $mime_type, $wildcards, true ) ) { 3309 return ''; 3310 } 3311 3312 if ( false !== strpos( $mime_pattern, '%' ) ) { 3313 $wheres[] = empty( $table_alias ) ? "post_mime_type LIKE '$mime_pattern'" : "$table_alias.post_mime_type LIKE '$mime_pattern'"; 3314 } else { 3315 $wheres[] = empty( $table_alias ) ? "post_mime_type = '$mime_pattern'" : "$table_alias.post_mime_type = '$mime_pattern'"; 3316 } 3317 } 3318 3319 if ( ! empty( $wheres ) ) { 3320 $where = ' AND (' . implode( ' OR ', $wheres ) . ') '; 3321 } 3322 3323 return $where; 3324 } 3325 3326 /** 3327 * Trash or delete a post or page. 3328 * 3329 * When the post and page is permanently deleted, everything that is tied to 3330 * it is deleted also. This includes comments, post meta fields, and terms 3331 * associated with the post. 3332 * 3333 * The post or page is moved to Trash instead of permanently deleted unless 3334 * Trash is disabled, item is already in the Trash, or $force_delete is true. 3335 * 3336 * @since 1.0.0 3337 * 3338 * @global wpdb $wpdb WordPress database abstraction object. 3339 * @see wp_delete_attachment() 3340 * @see wp_trash_post() 3341 * 3342 * @param int $postid Optional. Post ID. Default 0. 3343 * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. 3344 * Default false. 3345 * @return WP_Post|false|null Post data on success, false or null on failure. 3346 */ 3347 function wp_delete_post( $postid = 0, $force_delete = false ) { 3348 global $wpdb; 3349 3350 $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $postid ) ); 3351 3352 if ( ! $post ) { 3353 return $post; 3354 } 3355 3356 $post = get_post( $post ); 3357 3358 if ( ! $force_delete && ( 'post' === $post->post_type || 'page' === $post->post_type ) && 'trash' !== get_post_status( $postid ) && EMPTY_TRASH_DAYS ) { 3359 return wp_trash_post( $postid ); 3360 } 3361 3362 if ( 'attachment' === $post->post_type ) { 3363 return wp_delete_attachment( $postid, $force_delete ); 3364 } 3365 3366 /** 3367 * Filters whether a post deletion should take place. 3368 * 3369 * @since 4.4.0 3370 * 3371 * @param WP_Post|false|null $delete Whether to go forward with deletion. @TODO description 3372 * @param WP_Post $post Post object. 3373 * @param bool $force_delete Whether to bypass the Trash. 3374 */ 3375 $check = apply_filters( 'pre_delete_post', null, $post, $force_delete ); 3376 if ( null !== $check ) { 3377 return $check; 3378 } 3379 3380 /** 3381 * Fires before a post is deleted, at the start of wp_delete_post(). 3382 * 3383 * @since 3.2.0 3384 * @since 5.5.0 Added the `$post` parameter. 3385 * 3386 * @see wp_delete_post() 3387 * 3388 * @param int $postid Post ID. 3389 * @param WP_Post $post Post object. 3390 */ 3391 do_action( 'before_delete_post', $postid, $post ); 3392 3393 delete_post_meta( $postid, '_wp_trash_meta_status' ); 3394 delete_post_meta( $postid, '_wp_trash_meta_time' ); 3395 3396 wp_delete_object_term_relationships( $postid, get_object_taxonomies( $post->post_type ) ); 3397 3398 $parent_data = array( 'post_parent' => $post->post_parent ); 3399 $parent_where = array( 'post_parent' => $postid ); 3400 3401 if ( is_post_type_hierarchical( $post->post_type ) ) { 3402 // Point children of this page to its parent, also clean the cache of affected children. 3403 $children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $postid, $post->post_type ); 3404 $children = $wpdb->get_results( $children_query ); 3405 if ( $children ) { 3406 $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) ); 3407 } 3408 } 3409 3410 // Do raw query. wp_get_post_revisions() is filtered. 3411 $revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $postid ) ); 3412 // Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up. 3413 foreach ( $revision_ids as $revision_id ) { 3414 wp_delete_post_revision( $revision_id ); 3415 } 3416 3417 // Point all attachments to this post up one level. 3418 $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) ); 3419 3420 wp_defer_comment_counting( true ); 3421 3422 $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $postid ) ); 3423 foreach ( $comment_ids as $comment_id ) { 3424 wp_delete_comment( $comment_id, true ); 3425 } 3426 3427 wp_defer_comment_counting( false ); 3428 3429 $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid ) ); 3430 foreach ( $post_meta_ids as $mid ) { 3431 delete_metadata_by_mid( 'post', $mid ); 3432 } 3433 3434 /** 3435 * Fires immediately before a post is deleted from the database. 3436 * 3437 * @since 1.2.0 3438 * @since 5.5.0 Added the `$post` parameter. 3439 * 3440 * @param int $postid Post ID. 3441 * @param WP_Post $post Post object. 3442 */ 3443 do_action( 'delete_post', $postid, $post ); 3444 3445 $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) ); 3446 if ( ! $result ) { 3447 return false; 3448 } 3449 3450 /** 3451 * Fires immediately after a post is deleted from the database. 3452 * 3453 * @since 2.2.0 3454 * @since 5.5.0 Added the `$post` parameter. 3455 * 3456 * @param int $postid Post ID. 3457 * @param WP_Post $post Post object. 3458 */ 3459 do_action( 'deleted_post', $postid, $post ); 3460 3461 clean_post_cache( $post ); 3462 3463 if ( is_post_type_hierarchical( $post->post_type ) && $children ) { 3464 foreach ( $children as $child ) { 3465 clean_post_cache( $child ); 3466 } 3467 } 3468 3469 wp_clear_scheduled_hook( 'publish_future_post', array( $postid ) ); 3470 3471 /** 3472 * Fires after a post is deleted, at the conclusion of wp_delete_post(). 3473 * 3474 * @since 3.2.0 3475 * @since 5.5.0 Added the `$post` parameter. 3476 * 3477 * @see wp_delete_post() 3478 * 3479 * @param int $postid Post ID. 3480 * @param WP_Post $post Post object. 3481 */ 3482 do_action( 'after_delete_post', $postid, $post ); 3483 3484 return $post; 3485 } 3486 3487 /** 3488 * Reset the page_on_front, show_on_front, and page_for_post settings when 3489 * a linked page is deleted or trashed. 3490 * 3491 * Also ensures the post is no longer sticky. 3492 * 3493 * @since 3.7.0 3494 * @access private 3495 * 3496 * @param int $post_id Post ID. 3497 */ 3498 function _reset_front_page_settings_for_post( $post_id ) { 3499 $post = get_post( $post_id ); 3500 3501 if ( 'page' === $post->post_type ) { 3502 /* 3503 * If the page is defined in option page_on_front or post_for_posts, 3504 * adjust the corresponding options. 3505 */ 3506 if ( get_option( 'page_on_front' ) == $post->ID ) { 3507 update_option( 'show_on_front', 'posts' ); 3508 update_option( 'page_on_front', 0 ); 3509 } 3510 if ( get_option( 'page_for_posts' ) == $post->ID ) { 3511 update_option( 'page_for_posts', 0 ); 3512 } 3513 } 3514 3515 unstick_post( $post->ID ); 3516 } 3517 3518 /** 3519 * Move a post or page to the Trash 3520 * 3521 * If Trash is disabled, the post or page is permanently deleted. 3522 * 3523 * @since 2.9.0 3524 * 3525 * @see wp_delete_post() 3526 * 3527 * @param int $post_id Optional. Post ID. Default is the ID of the global `$post` 3528 * if `EMPTY_TRASH_DAYS` equals true. 3529 * @return WP_Post|false|null Post data on success, false or null on failure. 3530 */ 3531 function wp_trash_post( $post_id = 0 ) { 3532 if ( ! EMPTY_TRASH_DAYS ) { 3533 return wp_delete_post( $post_id, true ); 3534 } 3535 3536 $post = get_post( $post_id ); 3537 3538 if ( ! $post ) { 3539 return $post; 3540 } 3541 3542 if ( 'trash' === $post->post_status ) { 3543 return false; 3544 } 3545 3546 /** 3547 * Filters whether a post trashing should take place. 3548 * 3549 * @since 4.9.0 3550 * 3551 * @param bool|null $trash Whether to go forward with trashing. 3552 * @param WP_Post $post Post object. 3553 */ 3554 $check = apply_filters( 'pre_trash_post', null, $post ); 3555 3556 if ( null !== $check ) { 3557 return $check; 3558 } 3559 3560 /** 3561 * Fires before a post is sent to the Trash. 3562 * 3563 * @since 3.3.0 3564 * 3565 * @param int $post_id Post ID. 3566 */ 3567 do_action( 'wp_trash_post', $post_id ); 3568 3569 add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status ); 3570 add_post_meta( $post_id, '_wp_trash_meta_time', time() ); 3571 3572 $post_updated = wp_update_post( 3573 array( 3574 'ID' => $post_id, 3575 'post_status' => 'trash', 3576 ) 3577 ); 3578 3579 if ( ! $post_updated ) { 3580 return false; 3581 } 3582 3583 wp_trash_post_comments( $post_id ); 3584 3585 /** 3586 * Fires after a post is sent to the Trash. 3587 * 3588 * @since 2.9.0 3589 * 3590 * @param int $post_id Post ID. 3591 */ 3592 do_action( 'trashed_post', $post_id ); 3593 3594 return $post; 3595 } 3596 3597 /** 3598 * Restores a post from the Trash. 3599 * 3600 * @since 2.9.0 3601 * @since 5.6.0 An untrashed post is now returned to 'draft' status by default, except for 3602 * attachments which are returned to their original 'inherit' status. 3603 * 3604 * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. 3605 * @return WP_Post|false|null Post data on success, false or null on failure. 3606 */ 3607 function wp_untrash_post( $post_id = 0 ) { 3608 $post = get_post( $post_id ); 3609 3610 if ( ! $post ) { 3611 return $post; 3612 } 3613 3614 $post_id = $post->ID; 3615 3616 if ( 'trash' !== $post->post_status ) { 3617 return false; 3618 } 3619 3620 $previous_status = get_post_meta( $post_id, '_wp_trash_meta_status', true ); 3621 3622 /** 3623 * Filters whether a post untrashing should take place. 3624 * 3625 * @since 4.9.0 3626 * @since 5.6.0 The `$previous_status` parameter was added. 3627 * 3628 * @param bool|null $untrash Whether to go forward with untrashing. 3629 * @param WP_Post $post Post object. 3630 * @param string $previous_status The status of the post at the point where it was trashed. 3631 */ 3632 $check = apply_filters( 'pre_untrash_post', null, $post, $previous_status ); 3633 if ( null !== $check ) { 3634 return $check; 3635 } 3636 3637 /** 3638 * Fires before a post is restored from the Trash. 3639 * 3640 * @since 2.9.0 3641 * @since 5.6.0 The `$previous_status` parameter was added. 3642 * 3643 * @param int $post_id Post ID. 3644 * @param string $previous_status The status of the post at the point where it was trashed. 3645 */ 3646 do_action( 'untrash_post', $post_id, $previous_status ); 3647 3648 $new_status = ( 'attachment' === $post->post_type ) ? 'inherit' : 'draft'; 3649 3650 /** 3651 * Filters the status that a post gets assigned when it is restored from the trash (untrashed). 3652 * 3653 * By default posts that are restored will be assigned a status of 'draft'. Return the value of `$previous_status` 3654 * in order to assign the status that the post had before it was trashed. The `wp_untrash_post_set_previous_status()` 3655 * function is available for this. 3656 * 3657 * Prior to WordPress 5.6.0, restored posts were always assigned their original status. 3658 * 3659 * @since 5.6.0 3660 * 3661 * @param string $new_status The new status of the post being restored. 3662 * @param int $post_id The ID of the post being restored. 3663 * @param string $previous_status The status of the post at the point where it was trashed. 3664 */ 3665 $post_status = apply_filters( 'wp_untrash_post_status', $new_status, $post_id, $previous_status ); 3666 3667 delete_post_meta( $post_id, '_wp_trash_meta_status' ); 3668 delete_post_meta( $post_id, '_wp_trash_meta_time' ); 3669 3670 $post_updated = wp_update_post( 3671 array( 3672 'ID' => $post_id, 3673 'post_status' => $post_status, 3674 ) 3675 ); 3676 3677 if ( ! $post_updated ) { 3678 return false; 3679 } 3680 3681 wp_untrash_post_comments( $post_id ); 3682 3683 /** 3684 * Fires after a post is restored from the Trash. 3685 * 3686 * @since 2.9.0 3687 * @since 5.6.0 The `$previous_status` parameter was added. 3688 * 3689 * @param int $post_id Post ID. 3690 * @param string $previous_status The status of the post at the point where it was trashed. 3691 */ 3692 do_action( 'untrashed_post', $post_id, $previous_status ); 3693 3694 return $post; 3695 } 3696 3697 /** 3698 * Moves comments for a post to the Trash. 3699 * 3700 * @since 2.9.0 3701 * 3702 * @global wpdb $wpdb WordPress database abstraction object. 3703 * 3704 * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. 3705 * @return mixed|void False on failure. 3706 */ 3707 function wp_trash_post_comments( $post = null ) { 3708 global $wpdb; 3709 3710 $post = get_post( $post ); 3711 3712 if ( ! $post ) { 3713 return; 3714 } 3715 3716 $post_id = $post->ID; 3717 3718 /** 3719 * Fires before comments are sent to the Trash. 3720 * 3721 * @since 2.9.0 3722 * 3723 * @param int $post_id Post ID. 3724 */ 3725 do_action( 'trash_post_comments', $post_id ); 3726 3727 $comments = $wpdb->get_results( $wpdb->prepare( "SELECT comment_ID, comment_approved FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) ); 3728 3729 if ( ! $comments ) { 3730 return; 3731 } 3732 3733 // Cache current status for each comment. 3734 $statuses = array(); 3735 foreach ( $comments as $comment ) { 3736 $statuses[ $comment->comment_ID ] = $comment->comment_approved; 3737 } 3738 add_post_meta( $post_id, '_wp_trash_meta_comments_status', $statuses ); 3739 3740 // Set status for all comments to post-trashed. 3741 $result = $wpdb->update( $wpdb->comments, array( 'comment_approved' => 'post-trashed' ), array( 'comment_post_ID' => $post_id ) ); 3742 3743 clean_comment_cache( array_keys( $statuses ) ); 3744 3745 /** 3746 * Fires after comments are sent to the Trash. 3747 * 3748 * @since 2.9.0 3749 * 3750 * @param int $post_id Post ID. 3751 * @param array $statuses Array of comment statuses. 3752 */ 3753 do_action( 'trashed_post_comments', $post_id, $statuses ); 3754 3755 return $result; 3756 } 3757 3758 /** 3759 * Restore comments for a post from the Trash. 3760 * 3761 * @since 2.9.0 3762 * 3763 * @global wpdb $wpdb WordPress database abstraction object. 3764 * 3765 * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. 3766 * @return true|void 3767 */ 3768 function wp_untrash_post_comments( $post = null ) { 3769 global $wpdb; 3770 3771 $post = get_post( $post ); 3772 3773 if ( ! $post ) { 3774 return; 3775 } 3776 3777 $post_id = $post->ID; 3778 3779 $statuses = get_post_meta( $post_id, '_wp_trash_meta_comments_status', true ); 3780 3781 if ( ! $statuses ) { 3782 return true; 3783 } 3784 3785 /** 3786 * Fires before comments are restored for a post from the Trash. 3787 * 3788 * @since 2.9.0 3789 * 3790 * @param int $post_id Post ID. 3791 */ 3792 do_action( 'untrash_post_comments', $post_id ); 3793 3794 // Restore each comment to its original status. 3795 $group_by_status = array(); 3796 foreach ( $statuses as $comment_id => $comment_status ) { 3797 $group_by_status[ $comment_status ][] = $comment_id; 3798 } 3799 3800 foreach ( $group_by_status as $status => $comments ) { 3801 // Sanity check. This shouldn't happen. 3802 if ( 'post-trashed' === $status ) { 3803 $status = '0'; 3804 } 3805 $comments_in = implode( ', ', array_map( 'intval', $comments ) ); 3806 $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) ); 3807 } 3808 3809 clean_comment_cache( array_keys( $statuses ) ); 3810 3811 delete_post_meta( $post_id, '_wp_trash_meta_comments_status' ); 3812 3813 /** 3814 * Fires after comments are restored for a post from the Trash. 3815 * 3816 * @since 2.9.0 3817 * 3818 * @param int $post_id Post ID. 3819 */ 3820 do_action( 'untrashed_post_comments', $post_id ); 3821 } 3822 3823 /** 3824 * Retrieve the list of categories for a post. 3825 * 3826 * Compatibility layer for themes and plugins. Also an easy layer of abstraction 3827 * away from the complexity of the taxonomy layer. 3828 * 3829 * @since 2.1.0 3830 * 3831 * @see wp_get_object_terms() 3832 * 3833 * @param int $post_id Optional. The Post ID. Does not default to the ID of the 3834 * global $post. Default 0. 3835 * @param array $args Optional. Category query parameters. Default empty array. 3836 * See WP_Term_Query::__construct() for supported arguments. 3837 * @return array|WP_Error List of categories. If the `$fields` argument passed via `$args` is 'all' or 3838 * 'all_with_object_id', an array of WP_Term objects will be returned. If `$fields` 3839 * is 'ids', an array of category IDs. If `$fields` is 'names', an array of category names. 3840 * WP_Error object if 'category' taxonomy doesn't exist. 3841 */ 3842 function wp_get_post_categories( $post_id = 0, $args = array() ) { 3843 $post_id = (int) $post_id; 3844 3845 $defaults = array( 'fields' => 'ids' ); 3846 $args = wp_parse_args( $args, $defaults ); 3847 3848 $cats = wp_get_object_terms( $post_id, 'category', $args ); 3849 return $cats; 3850 } 3851 3852 /** 3853 * Retrieve the tags for a post. 3854 * 3855 * There is only one default for this function, called 'fields' and by default 3856 * is set to 'all'. There are other defaults that can be overridden in 3857 * wp_get_object_terms(). 3858 * 3859 * @since 2.3.0 3860 * 3861 * @param int $post_id Optional. The Post ID. Does not default to the ID of the 3862 * global $post. Default 0. 3863 * @param array $args Optional. Tag query parameters. Default empty array. 3864 * See WP_Term_Query::__construct() for supported arguments. 3865 * @return array|WP_Error Array of WP_Term objects on success or empty array if no tags were found. 3866 * WP_Error object if 'post_tag' taxonomy doesn't exist. 3867 */ 3868 function wp_get_post_tags( $post_id = 0, $args = array() ) { 3869 return wp_get_post_terms( $post_id, 'post_tag', $args ); 3870 } 3871 3872 /** 3873 * Retrieves the terms for a post. 3874 * 3875 * @since 2.8.0 3876 * 3877 * @param int $post_id Optional. The Post ID. Does not default to the ID of the 3878 * global $post. Default 0. 3879 * @param string|string[] $taxonomy Optional. The taxonomy slug or array of slugs for which 3880 * to retrieve terms. Default 'post_tag'. 3881 * @param array $args { 3882 * Optional. Term query parameters. See WP_Term_Query::__construct() for supported arguments. 3883 * 3884 * @type string $fields Term fields to retrieve. Default 'all'. 3885 * } 3886 * @return array|WP_Error Array of WP_Term objects on success or empty array if no terms were found. 3887 * WP_Error object if `$taxonomy` doesn't exist. 3888 */ 3889 function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) { 3890 $post_id = (int) $post_id; 3891 3892 $defaults = array( 'fields' => 'all' ); 3893 $args = wp_parse_args( $args, $defaults ); 3894 3895 $tags = wp_get_object_terms( $post_id, $taxonomy, $args ); 3896 3897 return $tags; 3898 } 3899 3900 /** 3901 * Retrieve a number of recent posts. 3902 * 3903 * @since 1.0.0 3904 * 3905 * @see get_posts() 3906 * 3907 * @param array $args Optional. Arguments to retrieve posts. Default empty array. 3908 * @param string $output Optional. The required return type. One of OBJECT or ARRAY_A, which 3909 * correspond to a WP_Post object or an associative array, respectively. 3910 * Default ARRAY_A. 3911 * @return array|false Array of recent posts, where the type of each element is determined 3912 * by the `$output` parameter. Empty array on failure. 3913 */ 3914 function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) { 3915 3916 if ( is_numeric( $args ) ) { 3917 _deprecated_argument( __FUNCTION__, '3.1.0', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) ); 3918 $args = array( 'numberposts' => absint( $args ) ); 3919 } 3920 3921 // Set default arguments. 3922 $defaults = array( 3923 'numberposts' => 10, 3924 'offset' => 0, 3925 'category' => 0, 3926 'orderby' => 'post_date', 3927 'order' => 'DESC', 3928 'include' => '', 3929 'exclude' => '', 3930 'meta_key' => '', 3931 'meta_value' => '', 3932 'post_type' => 'post', 3933 'post_status' => 'draft, publish, future, pending, private', 3934 'suppress_filters' => true, 3935 ); 3936 3937 $parsed_args = wp_parse_args( $args, $defaults ); 3938 3939 $results = get_posts( $parsed_args ); 3940 3941 // Backward compatibility. Prior to 3.1 expected posts to be returned in array. 3942 if ( ARRAY_A === $output ) { 3943 foreach ( $results as $key => $result ) { 3944 $results[ $key ] = get_object_vars( $result ); 3945 } 3946 return $results ? $results : array(); 3947 } 3948 3949 return $results ? $results : false; 3950 3951 } 3952 3953 /** 3954 * Insert or update a post. 3955 * 3956 * If the $postarr parameter has 'ID' set to a value, then post will be updated. 3957 * 3958 * You can set the post date manually, by setting the values for 'post_date' 3959 * and 'post_date_gmt' keys. You can close the comments or open the comments by 3960 * setting the value for 'comment_status' key. 3961 * 3962 * @since 1.0.0 3963 * @since 2.6.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. 3964 * @since 4.2.0 Support was added for encoding emoji in the post title, content, and excerpt. 3965 * @since 4.4.0 A 'meta_input' array can now be passed to `$postarr` to add post meta data. 3966 * @since 5.6.0 Added the `$fire_after_hooks` parameter. 3967 * 3968 * @see sanitize_post() 3969 * @global wpdb $wpdb WordPress database abstraction object. 3970 * 3971 * @param array $postarr { 3972 * An array of elements that make up a post to update or insert. 3973 * 3974 * @type int $ID The post ID. If equal to something other than 0, 3975 * the post with that ID will be updated. Default 0. 3976 * @type int $post_author The ID of the user who added the post. Default is 3977 * the current user ID. 3978 * @type string $post_date The date of the post. Default is the current time. 3979 * @type string $post_date_gmt The date of the post in the GMT timezone. Default is 3980 * the value of `$post_date`. 3981 * @type string $post_content The post content. Default empty. 3982 * @type string $post_content_filtered The filtered post content. Default empty. 3983 * @type string $post_title The post title. Default empty. 3984 * @type string $post_excerpt The post excerpt. Default empty. 3985 * @type string $post_status The post status. Default 'draft'. 3986 * @type string $post_type The post type. Default 'post'. 3987 * @type string $comment_status Whether the post can accept comments. Accepts 'open' or 'closed'. 3988 * Default is the value of 'default_comment_status' option. 3989 * @type string $ping_status Whether the post can accept pings. Accepts 'open' or 'closed'. 3990 * Default is the value of 'default_ping_status' option. 3991 * @type string $post_password The password to access the post. Default empty. 3992 * @type string $post_name The post name. Default is the sanitized post title 3993 * when creating a new post. 3994 * @type string $to_ping Space or carriage return-separated list of URLs to ping. 3995 * Default empty. 3996 * @type string $pinged Space or carriage return-separated list of URLs that have 3997 * been pinged. Default empty. 3998 * @type string $post_modified The date when the post was last modified. Default is 3999 * the current time. 4000 * @type string $post_modified_gmt The date when the post was last modified in the GMT 4001 * timezone. Default is the current time. 4002 * @type int $post_parent Set this for the post it belongs to, if any. Default 0. 4003 * @type int $menu_order The order the post should be displayed in. Default 0. 4004 * @type string $post_mime_type The mime type of the post. Default empty. 4005 * @type string $guid Global Unique ID for referencing the post. Default empty. 4006 * @type int $import_id The post ID to be used when inserting a new post. 4007 * If specified, must not match any existing post ID. Default 0. 4008 * @type int[] $post_category Array of category IDs. 4009 * Defaults to value of the 'default_category' option. 4010 * @type array $tags_input Array of tag names, slugs, or IDs. Default empty. 4011 * @type array $tax_input An array of taxonomy terms keyed by their taxonomy name. 4012 * If the taxonomy is hierarchical, the term list needs to be 4013 * either an array of term IDs or a comma-separated string of IDs. 4014 * If the taxonomy is non-hierarchical, the term list can be an array 4015 * that contains term names or slugs, or a comma-separated string 4016 * of names or slugs. This is because, in hierarchical taxonomy, 4017 * child terms can have the same names with different parent terms, 4018 * so the only way to connect them is using ID. Default empty. 4019 * @type array $meta_input Array of post meta values keyed by their post meta key. Default empty. 4020 * } 4021 * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. 4022 * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. 4023 * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure. 4024 */ 4025 function wp_insert_post( $postarr, $wp_error = false, $fire_after_hooks = true ) { 4026 global $wpdb; 4027 4028 // Capture original pre-sanitized array for passing into filters. 4029 $unsanitized_postarr = $postarr; 4030 4031 $user_id = get_current_user_id(); 4032 4033 $defaults = array( 4034 'post_author' => $user_id, 4035 'post_content' => '', 4036 'post_content_filtered' => '', 4037 'post_title' => '', 4038 'post_excerpt' => '', 4039 'post_status' => 'draft', 4040 'post_type' => 'post', 4041 'comment_status' => '', 4042 'ping_status' => '', 4043 'post_password' => '', 4044 'to_ping' => '', 4045 'pinged' => '', 4046 'post_parent' => 0, 4047 'menu_order' => 0, 4048 'guid' => '', 4049 'import_id' => 0, 4050 'context' => '', 4051 'post_date' => '', 4052 'post_date_gmt' => '', 4053 ); 4054 4055 $postarr = wp_parse_args( $postarr, $defaults ); 4056 4057 unset( $postarr['filter'] ); 4058 4059 $postarr = sanitize_post( $postarr, 'db' ); 4060 4061 // Are we updating or creating? 4062 $post_ID = 0; 4063 $update = false; 4064 $guid = $postarr['guid']; 4065 4066 if ( ! empty( $postarr['ID'] ) ) { 4067 $update = true; 4068 4069 // Get the post ID and GUID. 4070 $post_ID = $postarr['ID']; 4071 $post_before = get_post( $post_ID ); 4072 4073 if ( is_null( $post_before ) ) { 4074 if ( $wp_error ) { 4075 return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); 4076 } 4077 return 0; 4078 } 4079 4080 $guid = get_post_field( 'guid', $post_ID ); 4081 $previous_status = get_post_field( 'post_status', $post_ID ); 4082 } else { 4083 $previous_status = 'new'; 4084 $post_before = null; 4085 } 4086 4087 $post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type']; 4088 4089 $post_title = $postarr['post_title']; 4090 $post_content = $postarr['post_content']; 4091 $post_excerpt = $postarr['post_excerpt']; 4092 4093 if ( isset( $postarr['post_name'] ) ) { 4094 $post_name = $postarr['post_name']; 4095 } elseif ( $update ) { 4096 // For an update, don't modify the post_name if it wasn't supplied as an argument. 4097 $post_name = $post_before->post_name; 4098 } 4099 4100 $maybe_empty = 'attachment' !== $post_type 4101 && ! $post_content && ! $post_title && ! $post_excerpt 4102 && post_type_supports( $post_type, 'editor' ) 4103 && post_type_supports( $post_type, 'title' ) 4104 && post_type_supports( $post_type, 'excerpt' ); 4105 4106 /** 4107 * Filters whether the post should be considered "empty". 4108 * 4109 * The post is considered "empty" if both: 4110 * 1. The post type supports the title, editor, and excerpt fields 4111 * 2. The title, editor, and excerpt fields are all empty 4112 * 4113 * Returning a truthy value from the filter will effectively short-circuit 4114 * the new post being inserted and return 0. If $wp_error is true, a WP_Error 4115 * will be returned instead. 4116 * 4117 * @since 3.3.0 4118 * 4119 * @param bool $maybe_empty Whether the post should be considered "empty". 4120 * @param array $postarr Array of post data. 4121 */ 4122 if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) { 4123 if ( $wp_error ) { 4124 return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) ); 4125 } else { 4126 return 0; 4127 } 4128 } 4129 4130 $post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status']; 4131 4132 if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash', 'auto-draft' ), true ) ) { 4133 $post_status = 'inherit'; 4134 } 4135 4136 if ( ! empty( $postarr['post_category'] ) ) { 4137 // Filter out empty terms. 4138 $post_category = array_filter( $postarr['post_category'] ); 4139 } 4140 4141 // Make sure we set a valid category. 4142 if ( empty( $post_category ) || 0 === count( $post_category ) || ! is_array( $post_category ) ) { 4143 // 'post' requires at least one category. 4144 if ( 'post' === $post_type && 'auto-draft' !== $post_status ) { 4145 $post_category = array( get_option( 'default_category' ) ); 4146 } else { 4147 $post_category = array(); 4148 } 4149 } 4150 4151 /* 4152 * Don't allow contributors to set the post slug for pending review posts. 4153 * 4154 * For new posts check the primitive capability, for updates check the meta capability. 4155 */ 4156 $post_type_object = get_post_type_object( $post_type ); 4157 4158 if ( ! $update && 'pending' === $post_status && ! current_user_can( $post_type_object->cap->publish_posts ) ) { 4159 $post_name = ''; 4160 } elseif ( $update && 'pending' === $post_status && ! current_user_can( 'publish_post', $post_ID ) ) { 4161 $post_name = ''; 4162 } 4163 4164 /* 4165 * Create a valid post name. Drafts and pending posts are allowed to have 4166 * an empty post name. 4167 */ 4168 if ( empty( $post_name ) ) { 4169 if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) ) { 4170 $post_name = sanitize_title( $post_title ); 4171 } else { 4172 $post_name = ''; 4173 } 4174 } else { 4175 // On updates, we need to check to see if it's using the old, fixed sanitization context. 4176 $check_name = sanitize_title( $post_name, '', 'old-save' ); 4177 4178 if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) { 4179 $post_name = $check_name; 4180 } else { // new post, or slug has changed. 4181 $post_name = sanitize_title( $post_name ); 4182 } 4183 } 4184 4185 /* 4186 * Resolve the post date from any provided post date or post date GMT strings; 4187 * if none are provided, the date will be set to now. 4188 */ 4189 $post_date = wp_resolve_post_date( $postarr['post_date'], $postarr['post_date_gmt'] ); 4190 if ( ! $post_date ) { 4191 if ( $wp_error ) { 4192 return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); 4193 } else { 4194 return 0; 4195 } 4196 } 4197 4198 if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' === $postarr['post_date_gmt'] ) { 4199 if ( ! in_array( $post_status, get_post_stati( array( 'date_floating' => true ) ), true ) ) { 4200 $post_date_gmt = get_gmt_from_date( $post_date ); 4201 } else { 4202 $post_date_gmt = '0000-00-00 00:00:00'; 4203 } 4204 } else { 4205 $post_date_gmt = $postarr['post_date_gmt']; 4206 } 4207 4208 if ( $update || '0000-00-00 00:00:00' === $post_date ) { 4209 $post_modified = current_time( 'mysql' ); 4210 $post_modified_gmt = current_time( 'mysql', 1 ); 4211 } else { 4212 $post_modified = $post_date; 4213 $post_modified_gmt = $post_date_gmt; 4214 } 4215 4216 if ( 'attachment' !== $post_type ) { 4217 $now = gmdate( 'Y-m-d H:i:s' ); 4218 4219 if ( 'publish' === $post_status ) { 4220 if ( strtotime( $post_date_gmt ) - strtotime( $now ) >= MINUTE_IN_SECONDS ) { 4221 $post_status = 'future'; 4222 } 4223 } elseif ( 'future' === $post_status ) { 4224 if ( strtotime( $post_date_gmt ) - strtotime( $now ) < MINUTE_IN_SECONDS ) { 4225 $post_status = 'publish'; 4226 } 4227 } 4228 } 4229 4230 // Comment status. 4231 if ( empty( $postarr['comment_status'] ) ) { 4232 if ( $update ) { 4233 $comment_status = 'closed'; 4234 } else { 4235 $comment_status = get_default_comment_status( $post_type ); 4236 } 4237 } else { 4238 $comment_status = $postarr['comment_status']; 4239 } 4240 4241 // These variables are needed by compact() later. 4242 $post_content_filtered = $postarr['post_content_filtered']; 4243 $post_author = isset( $postarr['post_author'] ) ? $postarr['post_author'] : $user_id; 4244 $ping_status = empty( $postarr['ping_status'] ) ? get_default_comment_status( $post_type, 'pingback' ) : $postarr['ping_status']; 4245 $to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : ''; 4246 $pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : ''; 4247 $import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0; 4248 4249 /* 4250 * The 'wp_insert_post_parent' filter expects all variables to be present. 4251 * Previously, these variables would have already been extracted 4252 */ 4253 if ( isset( $postarr['menu_order'] ) ) { 4254 $menu_order = (int) $postarr['menu_order']; 4255 } else { 4256 $menu_order = 0; 4257 } 4258 4259 $post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : ''; 4260 if ( 'private' === $post_status ) { 4261 $post_password = ''; 4262 } 4263 4264 if ( isset( $postarr['post_parent'] ) ) { 4265 $post_parent = (int) $postarr['post_parent']; 4266 } else { 4267 $post_parent = 0; 4268 } 4269 4270 $new_postarr = array_merge( 4271 array( 4272 'ID' => $post_ID, 4273 ), 4274 compact( array_diff( array_keys( $defaults ), array( 'context', 'filter' ) ) ) 4275 ); 4276 4277 /** 4278 * Filters the post parent -- used to check for and prevent hierarchy loops. 4279 * 4280 * @since 3.1.0 4281 * 4282 * @param int $post_parent Post parent ID. 4283 * @param int $post_ID Post ID. 4284 * @param array $new_postarr Array of parsed post data. 4285 * @param array $postarr Array of sanitized, but otherwise unmodified post data. 4286 */ 4287 $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, $new_postarr, $postarr ); 4288 4289 /* 4290 * If the post is being untrashed and it has a desired slug stored in post meta, 4291 * reassign it. 4292 */ 4293 if ( 'trash' === $previous_status && 'trash' !== $post_status ) { 4294 $desired_post_slug = get_post_meta( $post_ID, '_wp_desired_post_slug', true ); 4295 4296 if ( $desired_post_slug ) { 4297 delete_post_meta( $post_ID, '_wp_desired_post_slug' ); 4298 $post_name = $desired_post_slug; 4299 } 4300 } 4301 4302 // If a trashed post has the desired slug, change it and let this post have it. 4303 if ( 'trash' !== $post_status && $post_name ) { 4304 /** 4305 * Filters whether or not to add a `__trashed` suffix to trashed posts that match the name of the updated post. 4306 * 4307 * @since 5.4.0 4308 * 4309 * @param bool $add_trashed_suffix Whether to attempt to add the suffix. 4310 * @param string $post_name The name of the post being updated. 4311 * @param int $post_ID Post ID. 4312 */ 4313 $add_trashed_suffix = apply_filters( 'add_trashed_suffix_to_trashed_posts', true, $post_name, $post_ID ); 4314 4315 if ( $add_trashed_suffix ) { 4316 wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID ); 4317 } 4318 } 4319 4320 // When trashing an existing post, change its slug to allow non-trashed posts to use it. 4321 if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) { 4322 $post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_ID ); 4323 } 4324 4325 $post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent ); 4326 4327 // Don't unslash. 4328 $post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : ''; 4329 4330 // Expected_slashed (everything!). 4331 $data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' ); 4332 4333 $emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' ); 4334 4335 foreach ( $emoji_fields as $emoji_field ) { 4336 if ( isset( $data[ $emoji_field ] ) ) { 4337 $charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field ); 4338 4339 if ( 'utf8' === $charset ) { 4340 $data[ $emoji_field ] = wp_encode_emoji( $data[ $emoji_field ] ); 4341 } 4342 } 4343 } 4344 4345 if ( 'attachment' === $post_type ) { 4346 /** 4347 * Filters attachment post data before it is updated in or added to the database. 4348 * 4349 * @since 3.9.0 4350 * @since 5.4.1 The `$unsanitized_postarr` parameter was added. 4351 * @since 6.0.0 The `$update` parameter was added. 4352 * 4353 * @param array $data An array of slashed, sanitized, and processed attachment post data. 4354 * @param array $postarr An array of slashed and sanitized attachment post data, but not processed. 4355 * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed attachment post data 4356 * as originally passed to wp_insert_post(). 4357 * @param bool $update Whether this is an existing attachment post being updated. 4358 */ 4359 $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr, $unsanitized_postarr, $update ); 4360 } else { 4361 /** 4362 * Filters slashed post data just before it is inserted into the database. 4363 * 4364 * @since 2.7.0 4365 * @since 5.4.1 The `$unsanitized_postarr` parameter was added. 4366 * @since 6.0.0 The `$update` parameter was added. 4367 * 4368 * @param array $data An array of slashed, sanitized, and processed post data. 4369 * @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data. 4370 * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as 4371 * originally passed to wp_insert_post(). 4372 * @param bool $update Whether this is an existing post being updated. 4373 */ 4374 $data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr, $update ); 4375 } 4376 4377 $data = wp_unslash( $data ); 4378 $where = array( 'ID' => $post_ID ); 4379 4380 if ( $update ) { 4381 /** 4382 * Fires immediately before an existing post is updated in the database. 4383 * 4384 * @since 2.5.0 4385 * 4386 * @param int $post_ID Post ID. 4387 * @param array $data Array of unslashed post data. 4388 */ 4389 do_action( 'pre_post_update', $post_ID, $data ); 4390 4391 if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) { 4392 if ( $wp_error ) { 4393 if ( 'attachment' === $post_type ) { 4394 $message = __( 'Could not update attachment in the database.' ); 4395 } else { 4396 $message = __( 'Could not update post in the database.' ); 4397 } 4398 4399 return new WP_Error( 'db_update_error', $message, $wpdb->last_error ); 4400 } else { 4401 return 0; 4402 } 4403 } 4404 } else { 4405 // If there is a suggested ID, use it if not already present. 4406 if ( ! empty( $import_id ) ) { 4407 $import_id = (int) $import_id; 4408 4409 if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id ) ) ) { 4410 $data['ID'] = $import_id; 4411 } 4412 } 4413 4414 if ( false === $wpdb->insert( $wpdb->posts, $data ) ) { 4415 if ( $wp_error ) { 4416 if ( 'attachment' === $post_type ) { 4417 $message = __( 'Could not insert attachment into the database.' ); 4418 } else { 4419 $message = __( 'Could not insert post into the database.' ); 4420 } 4421 4422 return new WP_Error( 'db_insert_error', $message, $wpdb->last_error ); 4423 } else { 4424 return 0; 4425 } 4426 } 4427 4428 $post_ID = (int) $wpdb->insert_id; 4429 4430 // Use the newly generated $post_ID. 4431 $where = array( 'ID' => $post_ID ); 4432 } 4433 4434 if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) ) { 4435 $data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent ); 4436 4437 $wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where ); 4438 clean_post_cache( $post_ID ); 4439 } 4440 4441 if ( is_object_in_taxonomy( $post_type, 'category' ) ) { 4442 wp_set_post_categories( $post_ID, $post_category ); 4443 } 4444 4445 if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) { 4446 wp_set_post_tags( $post_ID, $postarr['tags_input'] ); 4447 } 4448 4449 // Add default term for all associated custom taxonomies. 4450 if ( 'auto-draft' !== $post_status ) { 4451 foreach ( get_object_taxonomies( $post_type, 'object' ) as $taxonomy => $tax_object ) { 4452 4453 if ( ! empty( $tax_object->default_term ) ) { 4454 4455 // Filter out empty terms. 4456 if ( isset( $postarr['tax_input'][ $taxonomy ] ) && is_array( $postarr['tax_input'][ $taxonomy ] ) ) { 4457 $postarr['tax_input'][ $taxonomy ] = array_filter( $postarr['tax_input'][ $taxonomy ] ); 4458 } 4459 4460 // Passed custom taxonomy list overwrites the existing list if not empty. 4461 $terms = wp_get_object_terms( $post_ID, $taxonomy, array( 'fields' => 'ids' ) ); 4462 if ( ! empty( $terms ) && empty( $postarr['tax_input'][ $taxonomy ] ) ) { 4463 $postarr['tax_input'][ $taxonomy ] = $terms; 4464 } 4465 4466 if ( empty( $postarr['tax_input'][ $taxonomy ] ) ) { 4467 $default_term_id = get_option( 'default_term_' . $taxonomy ); 4468 if ( ! empty( $default_term_id ) ) { 4469 $postarr['tax_input'][ $taxonomy ] = array( (int) $default_term_id ); 4470 } 4471 } 4472 } 4473 } 4474 } 4475 4476 // New-style support for all custom taxonomies. 4477 if ( ! empty( $postarr['tax_input'] ) ) { 4478 foreach ( $postarr['tax_input'] as $taxonomy => $tags ) { 4479 $taxonomy_obj = get_taxonomy( $taxonomy ); 4480 4481 if ( ! $taxonomy_obj ) { 4482 /* translators: %s: Taxonomy name. */ 4483 _doing_it_wrong( __FUNCTION__, sprintf( __( 'Invalid taxonomy: %s.' ), $taxonomy ), '4.4.0' ); 4484 continue; 4485 } 4486 4487 // array = hierarchical, string = non-hierarchical. 4488 if ( is_array( $tags ) ) { 4489 $tags = array_filter( $tags ); 4490 } 4491 4492 if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) { 4493 wp_set_post_terms( $post_ID, $tags, $taxonomy ); 4494 } 4495 } 4496 } 4497 4498 if ( ! empty( $postarr['meta_input'] ) ) { 4499 foreach ( $postarr['meta_input'] as $field => $value ) { 4500 update_post_meta( $post_ID, $field, $value ); 4501 } 4502 } 4503 4504 $current_guid = get_post_field( 'guid', $post_ID ); 4505 4506 // Set GUID. 4507 if ( ! $update && '' === $current_guid ) { 4508 $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where ); 4509 } 4510 4511 if ( 'attachment' === $postarr['post_type'] ) { 4512 if ( ! empty( $postarr['file'] ) ) { 4513 update_attached_file( $post_ID, $postarr['file'] ); 4514 } 4515 4516 if ( ! empty( $postarr['context'] ) ) { 4517 add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true ); 4518 } 4519 } 4520 4521 // Set or remove featured image. 4522 if ( isset( $postarr['_thumbnail_id'] ) ) { 4523 $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type; 4524 4525 if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) { 4526 if ( wp_attachment_is( 'audio', $post_ID ) ) { 4527 $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' ); 4528 } elseif ( wp_attachment_is( 'video', $post_ID ) ) { 4529 $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' ); 4530 } 4531 } 4532 4533 if ( $thumbnail_support ) { 4534 $thumbnail_id = (int) $postarr['_thumbnail_id']; 4535 if ( -1 === $thumbnail_id ) { 4536 delete_post_thumbnail( $post_ID ); 4537 } else { 4538 set_post_thumbnail( $post_ID, $thumbnail_id ); 4539 } 4540 } 4541 } 4542 4543 clean_post_cache( $post_ID ); 4544 4545 $post = get_post( $post_ID ); 4546 4547 if ( ! empty( $postarr['page_template'] ) ) { 4548 $post->page_template = $postarr['page_template']; 4549 $page_templates = wp_get_theme()->get_page_templates( $post ); 4550 4551 if ( 'default' !== $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) { 4552 if ( $wp_error ) { 4553 return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) ); 4554 } 4555 4556 update_post_meta( $post_ID, '_wp_page_template', 'default' ); 4557 } else { 4558 update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] ); 4559 } 4560 } 4561 4562 if ( 'attachment' !== $postarr['post_type'] ) { 4563 wp_transition_post_status( $data['post_status'], $previous_status, $post ); 4564 } else { 4565 if ( $update ) { 4566 /** 4567 * Fires once an existing attachment has been updated. 4568 * 4569 * @since 2.0.0 4570 * 4571 * @param int $post_ID Attachment ID. 4572 */ 4573 do_action( 'edit_attachment', $post_ID ); 4574 4575 $post_after = get_post( $post_ID ); 4576 4577 /** 4578 * Fires once an existing attachment has been updated. 4579 * 4580 * @since 4.4.0 4581 * 4582 * @param int $post_ID Post ID. 4583 * @param WP_Post $post_after Post object following the update. 4584 * @param WP_Post $post_before Post object before the update. 4585 */ 4586 do_action( 'attachment_updated', $post_ID, $post_after, $post_before ); 4587 } else { 4588 4589 /** 4590 * Fires once an attachment has been added. 4591 * 4592 * @since 2.0.0 4593 * 4594 * @param int $post_ID Attachment ID. 4595 */ 4596 do_action( 'add_attachment', $post_ID ); 4597 } 4598 4599 return $post_ID; 4600 } 4601 4602 if ( $update ) { 4603 /** 4604 * Fires once an existing post has been updated. 4605 * 4606 * The dynamic portion of the hook name, `$post->post_type`, refers to 4607 * the post type slug. 4608 * 4609 * Possible hook names include: 4610 * 4611 * - `edit_post_post` 4612 * - `edit_post_page` 4613 * 4614 * @since 5.1.0 4615 * 4616 * @param int $post_ID Post ID. 4617 * @param WP_Post $post Post object. 4618 */ 4619 do_action( "edit_post_{$post->post_type}", $post_ID, $post ); 4620 4621 /** 4622 * Fires once an existing post has been updated. 4623 * 4624 * @since 1.2.0 4625 * 4626 * @param int $post_ID Post ID. 4627 * @param WP_Post $post Post object. 4628 */ 4629 do_action( 'edit_post', $post_ID, $post ); 4630 4631 $post_after = get_post( $post_ID ); 4632 4633 /** 4634 * Fires once an existing post has been updated. 4635 * 4636 * @since 3.0.0 4637 * 4638 * @param int $post_ID Post ID. 4639 * @param WP_Post $post_after Post object following the update. 4640 * @param WP_Post $post_before Post object before the update. 4641 */ 4642 do_action( 'post_updated', $post_ID, $post_after, $post_before ); 4643 } 4644 4645 /** 4646 * Fires once a post has been saved. 4647 * 4648 * The dynamic portion of the hook name, `$post->post_type`, refers to 4649 * the post type slug. 4650 * 4651 * Possible hook names include: 4652 * 4653 * - `save_post_post` 4654 * - `save_post_page` 4655 * 4656 * @since 3.7.0 4657 * 4658 * @param int $post_ID Post ID. 4659 * @param WP_Post $post Post object. 4660 * @param bool $update Whether this is an existing post being updated. 4661 */ 4662 do_action( "save_post_{$post->post_type}", $post_ID, $post, $update ); 4663 4664 /** 4665 * Fires once a post has been saved. 4666 * 4667 * @since 1.5.0 4668 * 4669 * @param int $post_ID Post ID. 4670 * @param WP_Post $post Post object. 4671 * @param bool $update Whether this is an existing post being updated. 4672 */ 4673 do_action( 'save_post', $post_ID, $post, $update ); 4674 4675 /** 4676 * Fires once a post has been saved. 4677 * 4678 * @since 2.0.0 4679 * 4680 * @param int $post_ID Post ID. 4681 * @param WP_Post $post Post object. 4682 * @param bool $update Whether this is an existing post being updated. 4683 */ 4684 do_action( 'wp_insert_post', $post_ID, $post, $update ); 4685 4686 if ( $fire_after_hooks ) { 4687 wp_after_insert_post( $post, $update, $post_before ); 4688 } 4689 4690 return $post_ID; 4691 } 4692 4693 /** 4694 * Update a post with new post data. 4695 * 4696 * The date does not have to be set for drafts. You can set the date and it will 4697 * not be overridden. 4698 * 4699 * @since 1.0.0 4700 * @since 3.5.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. 4701 * @since 5.6.0 Added the `$fire_after_hooks` parameter. 4702 * 4703 * @param array|object $postarr Optional. Post data. Arrays are expected to be escaped, 4704 * objects are not. See wp_insert_post() for accepted arguments. 4705 * Default array. 4706 * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. 4707 * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. 4708 * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure. 4709 */ 4710 function wp_update_post( $postarr = array(), $wp_error = false, $fire_after_hooks = true ) { 4711 if ( is_object( $postarr ) ) { 4712 // Non-escaped post was passed. 4713 $postarr = get_object_vars( $postarr ); 4714 $postarr = wp_slash( $postarr ); 4715 } 4716 4717 // First, get all of the original fields. 4718 $post = get_post( $postarr['ID'], ARRAY_A ); 4719 4720 if ( is_null( $post ) ) { 4721 if ( $wp_error ) { 4722 return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); 4723 } 4724 return 0; 4725 } 4726 4727 // Escape data pulled from DB. 4728 $post = wp_slash( $post ); 4729 4730 // Passed post category list overwrites existing category list if not empty. 4731 if ( isset( $postarr['post_category'] ) && is_array( $postarr['post_category'] ) 4732 && count( $postarr['post_category'] ) > 0 4733 ) { 4734 $post_cats = $postarr['post_category']; 4735 } else { 4736 $post_cats = $post['post_category']; 4737 } 4738 4739 // Drafts shouldn't be assigned a date unless explicitly done so by the user. 4740 if ( isset( $post['post_status'] ) 4741 && in_array( $post['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) 4742 && empty( $postarr['edit_date'] ) && ( '0000-00-00 00:00:00' === $post['post_date_gmt'] ) 4743 ) { 4744 $clear_date = true; 4745 } else { 4746 $clear_date = false; 4747 } 4748 4749 // Merge old and new fields with new fields overwriting old ones. 4750 $postarr = array_merge( $post, $postarr ); 4751 $postarr['post_category'] = $post_cats; 4752 if ( $clear_date ) { 4753 $postarr['post_date'] = current_time( 'mysql' ); 4754 $postarr['post_date_gmt'] = ''; 4755 } 4756 4757 if ( 'attachment' === $postarr['post_type'] ) { 4758 return wp_insert_attachment( $postarr, false, 0, $wp_error ); 4759 } 4760 4761 // Discard 'tags_input' parameter if it's the same as existing post tags. 4762 if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $postarr['post_type'], 'post_tag' ) ) { 4763 $tags = get_the_terms( $postarr['ID'], 'post_tag' ); 4764 $tag_names = array(); 4765 4766 if ( $tags && ! is_wp_error( $tags ) ) { 4767 $tag_names = wp_list_pluck( $tags, 'name' ); 4768 } 4769 4770 if ( $postarr['tags_input'] === $tag_names ) { 4771 unset( $postarr['tags_input'] ); 4772 } 4773 } 4774 4775 return wp_insert_post( $postarr, $wp_error, $fire_after_hooks ); 4776 } 4777 4778 /** 4779 * Publish a post by transitioning the post status. 4780 * 4781 * @since 2.1.0 4782 * 4783 * @global wpdb $wpdb WordPress database abstraction object. 4784 * 4785 * @param int|WP_Post $post Post ID or post object. 4786 */ 4787 function wp_publish_post( $post ) { 4788 global $wpdb; 4789 4790 $post = get_post( $post ); 4791 4792 if ( ! $post ) { 4793 return; 4794 } 4795 4796 if ( 'publish' === $post->post_status ) { 4797 return; 4798 } 4799 4800 $post_before = get_post( $post->ID ); 4801 4802 // Ensure at least one term is applied for taxonomies with a default term. 4803 foreach ( get_object_taxonomies( $post->post_type, 'object' ) as $taxonomy => $tax_object ) { 4804 // Skip taxonomy if no default term is set. 4805 if ( 4806 'category' !== $taxonomy && 4807 empty( $tax_object->default_term ) 4808 ) { 4809 continue; 4810 } 4811 4812 // Do not modify previously set terms. 4813 if ( ! empty( get_the_terms( $post, $taxonomy ) ) ) { 4814 continue; 4815 } 4816 4817 if ( 'category' === $taxonomy ) { 4818 $default_term_id = (int) get_option( 'default_category', 0 ); 4819 } else { 4820 $default_term_id = (int) get_option( 'default_term_' . $taxonomy, 0 ); 4821 } 4822 4823 if ( ! $default_term_id ) { 4824 continue; 4825 } 4826 wp_set_post_terms( $post->ID, array( $default_term_id ), $taxonomy ); 4827 } 4828 4829 $wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) ); 4830 4831 clean_post_cache( $post->ID ); 4832 4833 $old_status = $post->post_status; 4834 $post->post_status = 'publish'; 4835 wp_transition_post_status( 'publish', $old_status, $post ); 4836 4837 /** This action is documented in wp-includes/post.php */ 4838 do_action( "edit_post_{$post->post_type}", $post->ID, $post ); 4839 4840 /** This action is documented in wp-includes/post.php */ 4841 do_action( 'edit_post', $post->ID, $post ); 4842 4843 /** This action is documented in wp-includes/post.php */ 4844 do_action( "save_post_{$post->post_type}", $post->ID, $post, true ); 4845 4846 /** This action is documented in wp-includes/post.php */ 4847 do_action( 'save_post', $post->ID, $post, true ); 4848 4849 /** This action is documented in wp-includes/post.php */ 4850 do_action( 'wp_insert_post', $post->ID, $post, true ); 4851 4852 wp_after_insert_post( $post, true, $post_before ); 4853 } 4854 4855 /** 4856 * Publish future post and make sure post ID has future post status. 4857 * 4858 * Invoked by cron 'publish_future_post' event. This safeguard prevents cron 4859 * from publishing drafts, etc. 4860 * 4861 * @since 2.5.0 4862 * 4863 * @param int|WP_Post $post_id Post ID or post object. 4864 */ 4865 function check_and_publish_future_post( $post_id ) { 4866 $post = get_post( $post_id ); 4867 4868 if ( ! $post ) { 4869 return; 4870 } 4871 4872 if ( 'future' !== $post->post_status ) { 4873 return; 4874 } 4875 4876 $time = strtotime( $post->post_date_gmt . ' GMT' ); 4877 4878 // Uh oh, someone jumped the gun! 4879 if ( $time > time() ) { 4880 wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) ); // Clear anything else in the system. 4881 wp_schedule_single_event( $time, 'publish_future_post', array( $post_id ) ); 4882 return; 4883 } 4884 4885 // wp_publish_post() returns no meaningful value. 4886 wp_publish_post( $post_id ); 4887 } 4888 4889 /** 4890 * Uses wp_checkdate to return a valid Gregorian-calendar value for post_date. 4891 * If post_date is not provided, this first checks post_date_gmt if provided, 4892 * then falls back to use the current time. 4893 * 4894 * For back-compat purposes in wp_insert_post, an empty post_date and an invalid 4895 * post_date_gmt will continue to return '1970-01-01 00:00:00' rather than false. 4896 * 4897 * @since 5.7.0 4898 * 4899 * @param string $post_date The date in mysql format. 4900 * @param string $post_date_gmt The GMT date in mysql format. 4901 * @return string|false A valid Gregorian-calendar date string, or false on failure. 4902 */ 4903 function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) { 4904 // If the date is empty, set the date to now. 4905 if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) { 4906 if ( empty( $post_date_gmt ) || '0000-00-00 00:00:00' === $post_date_gmt ) { 4907 $post_date = current_time( 'mysql' ); 4908 } else { 4909 $post_date = get_date_from_gmt( $post_date_gmt ); 4910 } 4911 } 4912 4913 // Validate the date. 4914 $month = substr( $post_date, 5, 2 ); 4915 $day = substr( $post_date, 8, 2 ); 4916 $year = substr( $post_date, 0, 4 ); 4917 4918 $valid_date = wp_checkdate( $month, $day, $year, $post_date ); 4919 4920 if ( ! $valid_date ) { 4921 return false; 4922 } 4923 return $post_date; 4924 } 4925 4926 /** 4927 * Computes a unique slug for the post, when given the desired slug and some post details. 4928 * 4929 * @since 2.8.0 4930 * 4931 * @global wpdb $wpdb WordPress database abstraction object. 4932 * @global WP_Rewrite $wp_rewrite WordPress rewrite component. 4933 * 4934 * @param string $slug The desired slug (post_name). 4935 * @param int $post_ID Post ID. 4936 * @param string $post_status No uniqueness checks are made if the post is still draft or pending. 4937 * @param string $post_type Post type. 4938 * @param int $post_parent Post parent ID. 4939 * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix) 4940 */ 4941 function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent ) { 4942 if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) 4943 || ( 'inherit' === $post_status && 'revision' === $post_type ) || 'user_request' === $post_type 4944 ) { 4945 return $slug; 4946 } 4947 4948 /** 4949 * Filters the post slug before it is generated to be unique. 4950 * 4951 * Returning a non-null value will short-circuit the 4952 * unique slug generation, returning the passed value instead. 4953 * 4954 * @since 5.1.0 4955 * 4956 * @param string|null $override_slug Short-circuit return value. 4957 * @param string $slug The desired slug (post_name). 4958 * @param int $post_ID Post ID. 4959 * @param string $post_status The post status. 4960 * @param string $post_type Post type. 4961 * @param int $post_parent Post parent ID. 4962 */ 4963 $override_slug = apply_filters( 'pre_wp_unique_post_slug', null, $slug, $post_ID, $post_status, $post_type, $post_parent ); 4964 if ( null !== $override_slug ) { 4965 return $override_slug; 4966 } 4967 4968 global $wpdb, $wp_rewrite; 4969 4970 $original_slug = $slug; 4971 4972 $feeds = $wp_rewrite->feeds; 4973 if ( ! is_array( $feeds ) ) { 4974 $feeds = array(); 4975 } 4976 4977 if ( 'attachment' === $post_type ) { 4978 // Attachment slugs must be unique across all types. 4979 $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1"; 4980 $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) ); 4981 4982 /** 4983 * Filters whether the post slug would make a bad attachment slug. 4984 * 4985 * @since 3.1.0 4986 * 4987 * @param bool $bad_slug Whether the slug would be bad as an attachment slug. 4988 * @param string $slug The post slug. 4989 */ 4990 $is_bad_attachment_slug = apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ); 4991 4992 if ( $post_name_check 4993 || in_array( $slug, $feeds, true ) || 'embed' === $slug 4994 || $is_bad_attachment_slug 4995 ) { 4996 $suffix = 2; 4997 do { 4998 $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; 4999 $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID ) ); 5000 $suffix++; 5001 } while ( $post_name_check ); 5002 $slug = $alt_post_name; 5003 } 5004 } elseif ( is_post_type_hierarchical( $post_type ) ) { 5005 if ( 'nav_menu_item' === $post_type ) { 5006 return $slug; 5007 } 5008 5009 /* 5010 * Page slugs must be unique within their own trees. Pages are in a separate 5011 * namespace than posts so page slugs are allowed to overlap post slugs. 5012 */ 5013 $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1"; 5014 $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID, $post_parent ) ); 5015 5016 /** 5017 * Filters whether the post slug would make a bad hierarchical post slug. 5018 * 5019 * @since 3.1.0 5020 * 5021 * @param bool $bad_slug Whether the post slug would be bad in a hierarchical post context. 5022 * @param string $slug The post slug. 5023 * @param string $post_type Post type. 5024 * @param int $post_parent Post parent ID. 5025 */ 5026 $is_bad_hierarchical_slug = apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ); 5027 5028 if ( $post_name_check 5029 || in_array( $slug, $feeds, true ) || 'embed' === $slug 5030 || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) 5031 || $is_bad_hierarchical_slug 5032 ) { 5033 $suffix = 2; 5034 do { 5035 $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; 5036 $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID, $post_parent ) ); 5037 $suffix++; 5038 } while ( $post_name_check ); 5039 $slug = $alt_post_name; 5040 } 5041 } else { 5042 // Post slugs must be unique across all posts. 5043 $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1"; 5044 $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) ); 5045 5046 $post = get_post( $post_ID ); 5047 5048 // Prevent new post slugs that could result in URLs that conflict with date archives. 5049 $conflicts_with_date_archive = false; 5050 if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) ) { 5051 $slug_num = (int) $slug; 5052 5053 if ( $slug_num ) { 5054 $permastructs = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) ); 5055 $postname_index = array_search( '%postname%', $permastructs, true ); 5056 5057 /* 5058 * Potential date clashes are as follows: 5059 * 5060 * - Any integer in the first permastruct position could be a year. 5061 * - An integer between 1 and 12 that follows 'year' conflicts with 'monthnum'. 5062 * - An integer between 1 and 31 that follows 'monthnum' conflicts with 'day'. 5063 */ 5064 if ( 0 === $postname_index || 5065 ( $postname_index && '%year%' === $permastructs[ $postname_index - 1 ] && 13 > $slug_num ) || 5066 ( $postname_index && '%monthnum%' === $permastructs[ $postname_index - 1 ] && 32 > $slug_num ) 5067 ) { 5068 $conflicts_with_date_archive = true; 5069 } 5070 } 5071 } 5072 5073 /** 5074 * Filters whether the post slug would be bad as a flat slug. 5075 * 5076 * @since 3.1.0 5077 * 5078 * @param bool $bad_slug Whether the post slug would be bad as a flat slug. 5079 * @param string $slug The post slug. 5080 * @param string $post_type Post type. 5081 */ 5082 $is_bad_flat_slug = apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ); 5083 5084 if ( $post_name_check 5085 || in_array( $slug, $feeds, true ) || 'embed' === $slug 5086 || $conflicts_with_date_archive 5087 || $is_bad_flat_slug 5088 ) { 5089 $suffix = 2; 5090 do { 5091 $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; 5092 $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) ); 5093 $suffix++; 5094 } while ( $post_name_check ); 5095 $slug = $alt_post_name; 5096 } 5097 } 5098 5099 /** 5100 * Filters the unique post slug. 5101 * 5102 * @since 3.3.0 5103 * 5104 * @param string $slug The post slug. 5105 * @param int $post_ID Post ID. 5106 * @param string $post_status The post status. 5107 * @param string $post_type Post type. 5108 * @param int $post_parent Post parent ID 5109 * @param string $original_slug The original post slug. 5110 */ 5111 return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug ); 5112 } 5113 5114 /** 5115 * Truncate a post slug. 5116 * 5117 * @since 3.6.0 5118 * @access private 5119 * 5120 * @see utf8_uri_encode() 5121 * 5122 * @param string $slug The slug to truncate. 5123 * @param int $length Optional. Max length of the slug. Default 200 (characters). 5124 * @return string The truncated slug. 5125 */ 5126 function _truncate_post_slug( $slug, $length = 200 ) { 5127 if ( strlen( $slug ) > $length ) { 5128 $decoded_slug = urldecode( $slug ); 5129 if ( $decoded_slug === $slug ) { 5130 $slug = substr( $slug, 0, $length ); 5131 } else { 5132 $slug = utf8_uri_encode( $decoded_slug, $length, true ); 5133 } 5134 } 5135 5136 return rtrim( $slug, '-' ); 5137 } 5138 5139 /** 5140 * Add tags to a post. 5141 * 5142 * @see wp_set_post_tags() 5143 * 5144 * @since 2.3.0 5145 * 5146 * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. 5147 * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags 5148 * separated by commas. Default empty. 5149 * @return array|false|WP_Error Array of affected term IDs. WP_Error or false on failure. 5150 */ 5151 function wp_add_post_tags( $post_id = 0, $tags = '' ) { 5152 return wp_set_post_tags( $post_id, $tags, true ); 5153 } 5154 5155 /** 5156 * Set the tags for a post. 5157 * 5158 * @since 2.3.0 5159 * 5160 * @see wp_set_object_terms() 5161 * 5162 * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. 5163 * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags 5164 * separated by commas. Default empty. 5165 * @param bool $append Optional. If true, don't delete existing tags, just add on. If false, 5166 * replace the tags with the new tags. Default false. 5167 * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure. 5168 */ 5169 function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) { 5170 return wp_set_post_terms( $post_id, $tags, 'post_tag', $append ); 5171 } 5172 5173 /** 5174 * Set the terms for a post. 5175 * 5176 * @since 2.8.0 5177 * 5178 * @see wp_set_object_terms() 5179 * 5180 * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. 5181 * @param string|array $tags Optional. An array of terms to set for the post, or a string of terms 5182 * separated by commas. Hierarchical taxonomies must always pass IDs rather 5183 * than names so that children with the same names but different parents 5184 * aren't confused. Default empty. 5185 * @param string $taxonomy Optional. Taxonomy name. Default 'post_tag'. 5186 * @param bool $append Optional. If true, don't delete existing terms, just add on. If false, 5187 * replace the terms with the new terms. Default false. 5188 * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure. 5189 */ 5190 function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $append = false ) { 5191 $post_id = (int) $post_id; 5192 5193 if ( ! $post_id ) { 5194 return false; 5195 } 5196 5197 if ( empty( $tags ) ) { 5198 $tags = array(); 5199 } 5200 5201 if ( ! is_array( $tags ) ) { 5202 $comma = _x( ',', 'tag delimiter' ); 5203 if ( ',' !== $comma ) { 5204 $tags = str_replace( $comma, ',', $tags ); 5205 } 5206 $tags = explode( ',', trim( $tags, " \n\t\r\0\x0B," ) ); 5207 } 5208 5209 /* 5210 * Hierarchical taxonomies must always pass IDs rather than names so that 5211 * children with the same names but different parents aren't confused. 5212 */ 5213 if ( is_taxonomy_hierarchical( $taxonomy ) ) { 5214 $tags = array_unique( array_map( 'intval', $tags ) ); 5215 } 5216 5217 return wp_set_object_terms( $post_id, $tags, $taxonomy, $append ); 5218 } 5219 5220 /** 5221 * Set categories for a post. 5222 * 5223 * If no categories are provided, the default category is used. 5224 * 5225 * @since 2.1.0 5226 * 5227 * @param int $post_ID Optional. The Post ID. Does not default to the ID 5228 * of the global $post. Default 0. 5229 * @param int[]|int $post_categories Optional. List of category IDs, or the ID of a single category. 5230 * Default empty array. 5231 * @param bool $append If true, don't delete existing categories, just add on. 5232 * If false, replace the categories with the new categories. 5233 * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure. 5234 */ 5235 function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = false ) { 5236 $post_ID = (int) $post_ID; 5237 $post_type = get_post_type( $post_ID ); 5238 $post_status = get_post_status( $post_ID ); 5239 5240 // If $post_categories isn't already an array, make it one. 5241 $post_categories = (array) $post_categories; 5242 5243 if ( empty( $post_categories ) ) { 5244 /** 5245 * Filters post types (in addition to 'post') that require a default category. 5246 * 5247 * @since 5.5.0 5248 * 5249 * @param string[] $post_types An array of post type names. Default empty array. 5250 */ 5251 $default_category_post_types = apply_filters( 'default_category_post_types', array() ); 5252 5253 // Regular posts always require a default category. 5254 $default_category_post_types = array_merge( $default_category_post_types, array( 'post' ) ); 5255 5256 if ( in_array( $post_type, $default_category_post_types, true ) 5257 && is_object_in_taxonomy( $post_type, 'category' ) 5258 && 'auto-draft' !== $post_status 5259 ) { 5260 $post_categories = array( get_option( 'default_category' ) ); 5261 $append = false; 5262 } else { 5263 $post_categories = array(); 5264 } 5265 } elseif ( 1 === count( $post_categories ) && '' === reset( $post_categories ) ) { 5266 return true; 5267 } 5268 5269 return wp_set_post_terms( $post_ID, $post_categories, 'category', $append ); 5270 } 5271 5272 /** 5273 * Fires actions related to the transitioning of a post's status. 5274 * 5275 * When a post is saved, the post status is "transitioned" from one status to another, 5276 * though this does not always mean the status has actually changed before and after 5277 * the save. This function fires a number of action hooks related to that transition: 5278 * the generic {@see 'transition_post_status'} action, as well as the dynamic hooks 5279 * {@see '$old_status_to_$new_status'} and {@see '$new_status_$post->post_type'}. Note 5280 * that the function does not transition the post object in the database. 5281 * 5282 * For instance: When publishing a post for the first time, the post status may transition 5283 * from 'draft' – or some other status – to 'publish'. However, if a post is already 5284 * published and is simply being updated, the "old" and "new" statuses may both be 'publish' 5285 * before and after the transition. 5286 * 5287 * @since 2.3.0 5288 * 5289 * @param string $new_status Transition to this post status. 5290 * @param string $old_status Previous post status. 5291 * @param WP_Post $post Post data. 5292 */ 5293 function wp_transition_post_status( $new_status, $old_status, $post ) { 5294 /** 5295 * Fires when a post is transitioned from one status to another. 5296 * 5297 * @since 2.3.0 5298 * 5299 * @param string $new_status New post status. 5300 * @param string $old_status Old post status. 5301 * @param WP_Post $post Post object. 5302 */ 5303 do_action( 'transition_post_status', $new_status, $old_status, $post ); 5304 5305 /** 5306 * Fires when a post is transitioned from one status to another. 5307 * 5308 * The dynamic portions of the hook name, `$new_status` and `$old_status`, 5309 * refer to the old and new post statuses, respectively. 5310 * 5311 * Possible hook names include: 5312 * 5313 * - `draft_to_publish` 5314 * - `publish_to_trash` 5315 * - `pending_to_draft` 5316 * 5317 * @since 2.3.0 5318 * 5319 * @param WP_Post $post Post object. 5320 */ 5321 do_action( "{$old_status}_to_{$new_status}", $post ); 5322 5323 /** 5324 * Fires when a post is transitioned from one status to another. 5325 * 5326 * The dynamic portions of the hook name, `$new_status` and `$post->post_type`, 5327 * refer to the new post status and post type, respectively. 5328 * 5329 * Possible hook names include: 5330 * 5331 * - `draft_post` 5332 * - `future_post` 5333 * - `pending_post` 5334 * - `private_post` 5335 * - `publish_post` 5336 * - `trash_post` 5337 * - `draft_page` 5338 * - `future_page` 5339 * - `pending_page` 5340 * - `private_page` 5341 * - `publish_page` 5342 * - `trash_page` 5343 * - `publish_attachment` 5344 * - `trash_attachment` 5345 * 5346 * Please note: When this action is hooked using a particular post status (like 5347 * 'publish', as `publish_{$post->post_type}`), it will fire both when a post is 5348 * first transitioned to that status from something else, as well as upon 5349 * subsequent post updates (old and new status are both the same). 5350 * 5351 * Therefore, if you are looking to only fire a callback when a post is first 5352 * transitioned to a status, use the {@see 'transition_post_status'} hook instead. 5353 * 5354 * @since 2.3.0 5355 * @since 5.9.0 Added `$old_status` parameter. 5356 * 5357 * @param int $post_id Post ID. 5358 * @param WP_Post $post Post object. 5359 * @param string $old_status Old post status. 5360 */ 5361 do_action( "{$new_status}_{$post->post_type}", $post->ID, $post, $old_status ); 5362 } 5363 5364 /** 5365 * Fires actions after a post, its terms and meta data has been saved. 5366 * 5367 * @since 5.6.0 5368 * 5369 * @param int|WP_Post $post The post ID or object that has been saved. 5370 * @param bool $update Whether this is an existing post being updated. 5371 * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior 5372 * to the update for updated posts. 5373 */ 5374 function wp_after_insert_post( $post, $update, $post_before ) { 5375 $post = get_post( $post ); 5376 if ( ! $post ) { 5377 return; 5378 } 5379 5380 $post_id = $post->ID; 5381 5382 /** 5383 * Fires once a post, its terms and meta data has been saved. 5384 * 5385 * @since 5.6.0 5386 * 5387 * @param int $post_id Post ID. 5388 * @param WP_Post $post Post object. 5389 * @param bool $update Whether this is an existing post being updated. 5390 * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior 5391 * to the update for updated posts. 5392 */ 5393 do_action( 'wp_after_insert_post', $post_id, $post, $update, $post_before ); 5394 } 5395 5396 // 5397 // Comment, trackback, and pingback functions. 5398 // 5399 5400 /** 5401 * Add a URL to those already pinged. 5402 * 5403 * @since 1.5.0 5404 * @since 4.7.0 `$post_id` can be a WP_Post object. 5405 * @since 4.7.0 `$uri` can be an array of URIs. 5406 * 5407 * @global wpdb $wpdb WordPress database abstraction object. 5408 * 5409 * @param int|WP_Post $post_id Post object or ID. 5410 * @param string|array $uri Ping URI or array of URIs. 5411 * @return int|false How many rows were updated. 5412 */ 5413 function add_ping( $post_id, $uri ) { 5414 global $wpdb; 5415 5416 $post = get_post( $post_id ); 5417 5418 if ( ! $post ) { 5419 return false; 5420 } 5421 5422 $pung = trim( $post->pinged ); 5423 $pung = preg_split( '/\s/', $pung ); 5424 5425 if ( is_array( $uri ) ) { 5426 $pung = array_merge( $pung, $uri ); 5427 } else { 5428 $pung[] = $uri; 5429 } 5430 $new = implode( "\n", $pung ); 5431 5432 /** 5433 * Filters the new ping URL to add for the given post. 5434 * 5435 * @since 2.0.0 5436 * 5437 * @param string $new New ping URL to add. 5438 */ 5439 $new = apply_filters( 'add_ping', $new ); 5440 5441 $return = $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post->ID ) ); 5442 clean_post_cache( $post->ID ); 5443 return $return; 5444 } 5445 5446 /** 5447 * Retrieve enclosures already enclosed for a post. 5448 * 5449 * @since 1.5.0 5450 * 5451 * @param int $post_id Post ID. 5452 * @return string[] Array of enclosures for the given post. 5453 */ 5454 function get_enclosed( $post_id ) { 5455 $custom_fields = get_post_custom( $post_id ); 5456 $pung = array(); 5457 if ( ! is_array( $custom_fields ) ) { 5458 return $pung; 5459 } 5460 5461 foreach ( $custom_fields as $key => $val ) { 5462 if ( 'enclosure' !== $key || ! is_array( $val ) ) { 5463 continue; 5464 } 5465 foreach ( $val as $enc ) { 5466 $enclosure = explode( "\n", $enc ); 5467 $pung[] = trim( $enclosure[0] ); 5468 } 5469 } 5470 5471 /** 5472 * Filters the list of enclosures already enclosed for the given post. 5473 * 5474 * @since 2.0.0 5475 * 5476 * @param string[] $pung Array of enclosures for the given post. 5477 * @param int $post_id Post ID. 5478 */ 5479 return apply_filters( 'get_enclosed', $pung, $post_id ); 5480 } 5481 5482 /** 5483 * Retrieve URLs already pinged for a post. 5484 * 5485 * @since 1.5.0 5486 * 5487 * @since 4.7.0 `$post_id` can be a WP_Post object. 5488 * 5489 * @param int|WP_Post $post_id Post ID or object. 5490 * @return string[]|false Array of URLs already pinged for the given post, false if the post is not found. 5491 */ 5492 function get_pung( $post_id ) { 5493 $post = get_post( $post_id ); 5494 5495 if ( ! $post ) { 5496 return false; 5497 } 5498 5499 $pung = trim( $post->pinged ); 5500 $pung = preg_split( '/\s/', $pung ); 5501 5502 /** 5503 * Filters the list of already-pinged URLs for the given post. 5504 * 5505 * @since 2.0.0 5506 * 5507 * @param string[] $pung Array of URLs already pinged for the given post. 5508 */ 5509 return apply_filters( 'get_pung', $pung ); 5510 } 5511 5512 /** 5513 * Retrieve URLs that need to be pinged. 5514 * 5515 * @since 1.5.0 5516 * @since 4.7.0 `$post_id` can be a WP_Post object. 5517 * 5518 * @param int|WP_Post $post_id Post Object or ID 5519 * @return string[]|false List of URLs yet to ping. 5520 */ 5521 function get_to_ping( $post_id ) { 5522 $post = get_post( $post_id ); 5523 5524 if ( ! $post ) { 5525 return false; 5526 } 5527 5528 $to_ping = sanitize_trackback_urls( $post->to_ping ); 5529 $to_ping = preg_split( '/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY ); 5530 5531 /** 5532 * Filters the list of URLs yet to ping for the given post. 5533 * 5534 * @since 2.0.0 5535 * 5536 * @param string[] $to_ping List of URLs yet to ping. 5537 */ 5538 return apply_filters( 'get_to_ping', $to_ping ); 5539 } 5540 5541 /** 5542 * Do trackbacks for a list of URLs. 5543 * 5544 * @since 1.0.0 5545 * 5546 * @param string $tb_list Comma separated list of URLs. 5547 * @param int $post_id Post ID. 5548 */ 5549 function trackback_url_list( $tb_list, $post_id ) { 5550 if ( ! empty( $tb_list ) ) { 5551 // Get post data. 5552 $postdata = get_post( $post_id, ARRAY_A ); 5553 5554 // Form an excerpt. 5555 $excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] ); 5556 5557 if ( strlen( $excerpt ) > 255 ) { 5558 $excerpt = substr( $excerpt, 0, 252 ) . '…'; 5559 } 5560 5561 $trackback_urls = explode( ',', $tb_list ); 5562 foreach ( (array) $trackback_urls as $tb_url ) { 5563 $tb_url = trim( $tb_url ); 5564 trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id ); 5565 } 5566 } 5567 } 5568 5569 // 5570 // Page functions. 5571 // 5572 5573 /** 5574 * Get a list of page IDs. 5575 * 5576 * @since 2.0.0 5577 * 5578 * @global wpdb $wpdb WordPress database abstraction object. 5579 * 5580 * @return string[] List of page IDs as strings. 5581 */ 5582 function get_all_page_ids() { 5583 global $wpdb; 5584 5585 $page_ids = wp_cache_get( 'all_page_ids', 'posts' ); 5586 if ( ! is_array( $page_ids ) ) { 5587 $page_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type = 'page'" ); 5588 wp_cache_add( 'all_page_ids', $page_ids, 'posts' ); 5589 } 5590 5591 return $page_ids; 5592 } 5593 5594 /** 5595 * Retrieves page data given a page ID or page object. 5596 * 5597 * Use get_post() instead of get_page(). 5598 * 5599 * @since 1.5.1 5600 * @deprecated 3.5.0 Use get_post() 5601 * 5602 * @param int|WP_Post $page Page object or page ID. Passed by reference. 5603 * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which 5604 * correspond to a WP_Post object, an associative array, or a numeric array, 5605 * respectively. Default OBJECT. 5606 * @param string $filter Optional. How the return value should be filtered. Accepts 'raw', 5607 * 'edit', 'db', 'display'. Default 'raw'. 5608 * @return WP_Post|array|null WP_Post or array on success, null on failure. 5609 */ 5610 function get_page( $page, $output = OBJECT, $filter = 'raw' ) { 5611 return get_post( $page, $output, $filter ); 5612 } 5613 5614 /** 5615 * Retrieves a page given its path. 5616 * 5617 * @since 2.1.0 5618 * 5619 * @global wpdb $wpdb WordPress database abstraction object. 5620 * 5621 * @param string $page_path Page path. 5622 * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which 5623 * correspond to a WP_Post object, an associative array, or a numeric array, 5624 * respectively. Default OBJECT. 5625 * @param string|array $post_type Optional. Post type or array of post types. Default 'page'. 5626 * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. 5627 */ 5628 function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { 5629 global $wpdb; 5630 5631 $last_changed = wp_cache_get_last_changed( 'posts' ); 5632 5633 $hash = md5( $page_path . serialize( $post_type ) ); 5634 $cache_key = "get_page_by_path:$hash:$last_changed"; 5635 $cached = wp_cache_get( $cache_key, 'posts' ); 5636 if ( false !== $cached ) { 5637 // Special case: '0' is a bad `$page_path`. 5638 if ( '0' === $cached || 0 === $cached ) { 5639 return; 5640 } else { 5641 return get_post( $cached, $output ); 5642 } 5643 } 5644 5645 $page_path = rawurlencode( urldecode( $page_path ) ); 5646 $page_path = str_replace( '%2F', '/', $page_path ); 5647 $page_path = str_replace( '%20', ' ', $page_path ); 5648 $parts = explode( '/', trim( $page_path, '/' ) ); 5649 $parts = array_map( 'sanitize_title_for_query', $parts ); 5650 $escaped_parts = esc_sql( $parts ); 5651 5652 $in_string = "'" . implode( "','", $escaped_parts ) . "'"; 5653 5654 if ( is_array( $post_type ) ) { 5655 $post_types = $post_type; 5656 } else { 5657 $post_types = array( $post_type, 'attachment' ); 5658 } 5659 5660 $post_types = esc_sql( $post_types ); 5661 $post_type_in_string = "'" . implode( "','", $post_types ) . "'"; 5662 $sql = " 5663 SELECT ID, post_name, post_parent, post_type 5664 FROM $wpdb->posts 5665 WHERE post_name IN ($in_string) 5666 AND post_type IN ($post_type_in_string) 5667 "; 5668 5669 $pages = $wpdb->get_results( $sql, OBJECT_K ); 5670 5671 $revparts = array_reverse( $parts ); 5672 5673 $foundid = 0; 5674 foreach ( (array) $pages as $page ) { 5675 if ( $page->post_name == $revparts[0] ) { 5676 $count = 0; 5677 $p = $page; 5678 5679 /* 5680 * Loop through the given path parts from right to left, 5681 * ensuring each matches the post ancestry. 5682 */ 5683 while ( 0 != $p->post_parent && isset( $pages[ $p->post_parent ] ) ) { 5684 $count++; 5685 $parent = $pages[ $p->post_parent ]; 5686 if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) { 5687 break; 5688 } 5689 $p = $parent; 5690 } 5691 5692 if ( 0 == $p->post_parent && count( $revparts ) == $count + 1 && $p->post_name == $revparts[ $count ] ) { 5693 $foundid = $page->ID; 5694 if ( $page->post_type == $post_type ) { 5695 break; 5696 } 5697 } 5698 } 5699 } 5700 5701 // We cache misses as well as hits. 5702 wp_cache_set( $cache_key, $foundid, 'posts' ); 5703 5704 if ( $foundid ) { 5705 return get_post( $foundid, $output ); 5706 } 5707 5708 return null; 5709 } 5710 5711 /** 5712 * Retrieve a page given its title. 5713 * 5714 * If more than one post uses the same title, the post with the smallest ID will be returned. 5715 * Be careful: in case of more than one post having the same title, it will check the oldest 5716 * publication date, not the smallest ID. 5717 * 5718 * Because this function uses the MySQL '=' comparison, $page_title will usually be matched 5719 * as case-insensitive with default collation. 5720 * 5721 * @since 2.1.0 5722 * @since 3.0.0 The `$post_type` parameter was added. 5723 * 5724 * @global wpdb $wpdb WordPress database abstraction object. 5725 * 5726 * @param string $page_title Page title. 5727 * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which 5728 * correspond to a WP_Post object, an associative array, or a numeric array, 5729 * respectively. Default OBJECT. 5730 * @param string|array $post_type Optional. Post type or array of post types. Default 'page'. 5731 * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. 5732 */ 5733 function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) { 5734 global $wpdb; 5735 5736 if ( is_array( $post_type ) ) { 5737 $post_type = esc_sql( $post_type ); 5738 $post_type_in_string = "'" . implode( "','", $post_type ) . "'"; 5739 $sql = $wpdb->prepare( 5740 " 5741 SELECT ID 5742 FROM $wpdb->posts 5743 WHERE post_title = %s 5744 AND post_type IN ($post_type_in_string) 5745 ", 5746 $page_title 5747 ); 5748 } else { 5749 $sql = $wpdb->prepare( 5750 " 5751 SELECT ID 5752 FROM $wpdb->posts 5753 WHERE post_title = %s 5754 AND post_type = %s 5755 ", 5756 $page_title, 5757 $post_type 5758 ); 5759 } 5760 5761 $page = $wpdb->get_var( $sql ); 5762 5763 if ( $page ) { 5764 return get_post( $page, $output ); 5765 } 5766 5767 return null; 5768 } 5769 5770 /** 5771 * Identify descendants of a given page ID in a list of page objects. 5772 * 5773 * Descendants are identified from the `$pages` array passed to the function. No database queries are performed. 5774 * 5775 * @since 1.5.1 5776 * 5777 * @param int $page_id Page ID. 5778 * @param array $pages List of page objects from which descendants should be identified. 5779 * @return array List of page children. 5780 */ 5781 function get_page_children( $page_id, $pages ) { 5782 // Build a hash of ID -> children. 5783 $children = array(); 5784 foreach ( (array) $pages as $page ) { 5785 $children[ (int) $page->post_parent ][] = $page; 5786 } 5787 5788 $page_list = array(); 5789 5790 // Start the search by looking at immediate children. 5791 if ( isset( $children[ $page_id ] ) ) { 5792 // Always start at the end of the stack in order to preserve original `$pages` order. 5793 $to_look = array_reverse( $children[ $page_id ] ); 5794 5795 while ( $to_look ) { 5796 $p = array_pop( $to_look ); 5797 $page_list[] = $p; 5798 if ( isset( $children[ $p->ID ] ) ) { 5799 foreach ( array_reverse( $children[ $p->ID ] ) as $child ) { 5800 // Append to the `$to_look` stack to descend the tree. 5801 $to_look[] = $child; 5802 } 5803 } 5804 } 5805 } 5806 5807 return $page_list; 5808 } 5809 5810 /** 5811 * Order the pages with children under parents in a flat list. 5812 * 5813 * It uses auxiliary structure to hold parent-children relationships and 5814 * runs in O(N) complexity 5815 * 5816 * @since 2.0.0 5817 * 5818 * @param WP_Post[] $pages Posts array (passed by reference). 5819 * @param int $page_id Optional. Parent page ID. Default 0. 5820 * @return string[] Array of post names keyed by ID and arranged by hierarchy. Children immediately follow their parents. 5821 */ 5822 function get_page_hierarchy( &$pages, $page_id = 0 ) { 5823 if ( empty( $pages ) ) { 5824 return array(); 5825 } 5826 5827 $children = array(); 5828 foreach ( (array) $pages as $p ) { 5829 $parent_id = (int) $p->post_parent; 5830 $children[ $parent_id ][] = $p; 5831 } 5832 5833 $result = array(); 5834 _page_traverse_name( $page_id, $children, $result ); 5835 5836 return $result; 5837 } 5838 5839 /** 5840 * Traverse and return all the nested children post names of a root page. 5841 * 5842 * $children contains parent-children relations 5843 * 5844 * @since 2.9.0 5845 * @access private 5846 * 5847 * @see _page_traverse_name() 5848 * 5849 * @param int $page_id Page ID. 5850 * @param array $children Parent-children relations (passed by reference). 5851 * @param string[] $result Array of page names keyed by ID (passed by reference). 5852 */ 5853 function _page_traverse_name( $page_id, &$children, &$result ) { 5854 if ( isset( $children[ $page_id ] ) ) { 5855 foreach ( (array) $children[ $page_id ] as $child ) { 5856 $result[ $child->ID ] = $child->post_name; 5857 _page_traverse_name( $child->ID, $children, $result ); 5858 } 5859 } 5860 } 5861 5862 /** 5863 * Build the URI path for a page. 5864 * 5865 * Sub pages will be in the "directory" under the parent page post name. 5866 * 5867 * @since 1.5.0 5868 * @since 4.6.0 The `$page` parameter was made optional. 5869 * 5870 * @param WP_Post|object|int $page Optional. Page ID or WP_Post object. Default is global $post. 5871 * @return string|false Page URI, false on error. 5872 */ 5873 function get_page_uri( $page = 0 ) { 5874 if ( ! $page instanceof WP_Post ) { 5875 $page = get_post( $page ); 5876 } 5877 5878 if ( ! $page ) { 5879 return false; 5880 } 5881 5882 $uri = $page->post_name; 5883 5884 foreach ( $page->ancestors as $parent ) { 5885 $parent = get_post( $parent ); 5886 if ( $parent && $parent->post_name ) { 5887 $uri = $parent->post_name . '/' . $uri; 5888 } 5889 } 5890 5891 /** 5892 * Filters the URI for a page. 5893 * 5894 * @since 4.4.0 5895 * 5896 * @param string $uri Page URI. 5897 * @param WP_Post $page Page object. 5898 */ 5899 return apply_filters( 'get_page_uri', $uri, $page ); 5900 } 5901 5902 /** 5903 * Retrieve an array of pages (or hierarchical post type items). 5904 * 5905 * @global wpdb $wpdb WordPress database abstraction object. 5906 * 5907 * @since 1.5.0 5908 * 5909 * @param array|string $args { 5910 * Optional. Array or string of arguments to retrieve pages. 5911 * 5912 * @type int $child_of Page ID to return child and grandchild pages of. Note: The value 5913 * of `$hierarchical` has no bearing on whether `$child_of` returns 5914 * hierarchical results. Default 0, or no restriction. 5915 * @type string $sort_order How to sort retrieved pages. Accepts 'ASC', 'DESC'. Default 'ASC'. 5916 * @type string $sort_column What columns to sort pages by, comma-separated. Accepts 'post_author', 5917 * 'post_date', 'post_title', 'post_name', 'post_modified', 'menu_order', 5918 * 'post_modified_gmt', 'post_parent', 'ID', 'rand', 'comment_count'. 5919 * 'post_' can be omitted for any values that start with it. 5920 * Default 'post_title'. 5921 * @type bool $hierarchical Whether to return pages hierarchically. If false in conjunction with 5922 * `$child_of` also being false, both arguments will be disregarded. 5923 * Default true. 5924 * @type int[] $exclude Array of page IDs to exclude. Default empty array. 5925 * @type int[] $include Array of page IDs to include. Cannot be used with `$child_of`, 5926 * `$parent`, `$exclude`, `$meta_key`, `$meta_value`, or `$hierarchical`. 5927 * Default empty array. 5928 * @type string $meta_key Only include pages with this meta key. Default empty. 5929 * @type string $meta_value Only include pages with this meta value. Requires `$meta_key`. 5930 * Default empty. 5931 * @type string $authors A comma-separated list of author IDs. Default empty. 5932 * @type int $parent Page ID to return direct children of. Default -1, or no restriction. 5933 * @type string|int[] $exclude_tree Comma-separated string or array of page IDs to exclude. 5934 * Default empty array. 5935 * @type int $number The number of pages to return. Default 0, or all pages. 5936 * @type int $offset The number of pages to skip before returning. Requires `$number`. 5937 * Default 0. 5938 * @type string $post_type The post type to query. Default 'page'. 5939 * @type string|array $post_status A comma-separated list or array of post statuses to include. 5940 * Default 'publish'. 5941 * } 5942 * @return WP_Post[]|int[]|false Array of pages (or hierarchical post type items). Boolean false if the 5943 * specified post type is not hierarchical or the specified status is not 5944 * supported by the post type. 5945 */ 5946 function get_pages( $args = array() ) { 5947 global $wpdb; 5948 5949 $defaults = array( 5950 'child_of' => 0, 5951 'sort_order' => 'ASC', 5952 'sort_column' => 'post_title', 5953 'hierarchical' => 1, 5954 'exclude' => array(), 5955 'include' => array(), 5956 'meta_key' => '', 5957 'meta_value' => '', 5958 'authors' => '', 5959 'parent' => -1, 5960 'exclude_tree' => array(), 5961 'number' => '', 5962 'offset' => 0, 5963 'post_type' => 'page', 5964 'post_status' => 'publish', 5965 ); 5966 5967 $parsed_args = wp_parse_args( $args, $defaults ); 5968 5969 $number = (int) $parsed_args['number']; 5970 $offset = (int) $parsed_args['offset']; 5971 $child_of = (int) $parsed_args['child_of']; 5972 $hierarchical = $parsed_args['hierarchical']; 5973 $exclude = $parsed_args['exclude']; 5974 $meta_key = $parsed_args['meta_key']; 5975 $meta_value = $parsed_args['meta_value']; 5976 $parent = $parsed_args['parent']; 5977 $post_status = $parsed_args['post_status']; 5978 5979 // Make sure the post type is hierarchical. 5980 $hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) ); 5981 if ( ! in_array( $parsed_args['post_type'], $hierarchical_post_types, true ) ) { 5982 return false; 5983 } 5984 5985 if ( $parent > 0 && ! $child_of ) { 5986 $hierarchical = false; 5987 } 5988 5989 // Make sure we have a valid post status. 5990 if ( ! is_array( $post_status ) ) { 5991 $post_status = explode( ',', $post_status ); 5992 } 5993 if ( array_diff( $post_status, get_post_stati() ) ) { 5994 return false; 5995 } 5996 5997 // $args can be whatever, only use the args defined in defaults to compute the key. 5998 $key = md5( serialize( wp_array_slice_assoc( $parsed_args, array_keys( $defaults ) ) ) ); 5999 $last_changed = wp_cache_get_last_changed( 'posts' ); 6000 6001 $cache_key = "get_pages:$key:$last_changed"; 6002 $cache = wp_cache_get( $cache_key, 'posts' ); 6003 if ( false !== $cache ) { 6004 _prime_post_caches( $cache, false, false ); 6005 6006 // Convert to WP_Post instances. 6007 $pages = array_map( 'get_post', $cache ); 6008 /** This filter is documented in wp-includes/post.php */ 6009 $pages = apply_filters( 'get_pages', $pages, $parsed_args ); 6010 6011 return $pages; 6012 } 6013 6014 $inclusions = ''; 6015 if ( ! empty( $parsed_args['include'] ) ) { 6016 $child_of = 0; // Ignore child_of, parent, exclude, meta_key, and meta_value params if using include. 6017 $parent = -1; 6018 $exclude = ''; 6019 $meta_key = ''; 6020 $meta_value = ''; 6021 $hierarchical = false; 6022 $incpages = wp_parse_id_list( $parsed_args['include'] ); 6023 if ( ! empty( $incpages ) ) { 6024 $inclusions = ' AND ID IN (' . implode( ',', $incpages ) . ')'; 6025 } 6026 } 6027 6028 $exclusions = ''; 6029 if ( ! empty( $exclude ) ) { 6030 $expages = wp_parse_id_list( $exclude ); 6031 if ( ! empty( $expages ) ) { 6032 $exclusions = ' AND ID NOT IN (' . implode( ',', $expages ) . ')'; 6033 } 6034 } 6035 6036 $author_query = ''; 6037 if ( ! empty( $parsed_args['authors'] ) ) { 6038 $post_authors = wp_parse_list( $parsed_args['authors'] ); 6039 6040 if ( ! empty( $post_authors ) ) { 6041 foreach ( $post_authors as $post_author ) { 6042 // Do we have an author id or an author login? 6043 if ( 0 == (int) $post_author ) { 6044 $post_author = get_user_by( 'login', $post_author ); 6045 if ( empty( $post_author ) ) { 6046 continue; 6047 } 6048 if ( empty( $post_author->ID ) ) { 6049 continue; 6050 } 6051 $post_author = $post_author->ID; 6052 } 6053 6054 if ( '' === $author_query ) { 6055 $author_query = $wpdb->prepare( ' post_author = %d ', $post_author ); 6056 } else { 6057 $author_query .= $wpdb->prepare( ' OR post_author = %d ', $post_author ); 6058 } 6059 } 6060 if ( '' !== $author_query ) { 6061 $author_query = " AND ($author_query)"; 6062 } 6063 } 6064 } 6065 6066 $join = ''; 6067 $where = "$exclusions $inclusions "; 6068 if ( '' !== $meta_key || '' !== $meta_value ) { 6069 $join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )"; 6070 6071 // meta_key and meta_value might be slashed. 6072 $meta_key = wp_unslash( $meta_key ); 6073 $meta_value = wp_unslash( $meta_value ); 6074 if ( '' !== $meta_key ) { 6075 $where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_key = %s", $meta_key ); 6076 } 6077 if ( '' !== $meta_value ) { 6078 $where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_value = %s", $meta_value ); 6079 } 6080 } 6081 6082 if ( is_array( $parent ) ) { 6083 $post_parent__in = implode( ',', array_map( 'absint', (array) $parent ) ); 6084 if ( ! empty( $post_parent__in ) ) { 6085 $where .= " AND post_parent IN ($post_parent__in)"; 6086 } 6087 } elseif ( $parent >= 0 ) { 6088 $where .= $wpdb->prepare( ' AND post_parent = %d ', $parent ); 6089 } 6090 6091 if ( 1 === count( $post_status ) ) { 6092 $where_post_type = $wpdb->prepare( 'post_type = %s AND post_status = %s', $parsed_args['post_type'], reset( $post_status ) ); 6093 } else { 6094 $post_status = implode( "', '", $post_status ); 6095 $where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $parsed_args['post_type'] ); 6096 } 6097 6098 $orderby_array = array(); 6099 $allowed_keys = array( 6100 'author', 6101 'post_author', 6102 'date', 6103 'post_date', 6104 'title', 6105 'post_title', 6106 'name', 6107 'post_name', 6108 'modified', 6109 'post_modified', 6110 'modified_gmt', 6111 'post_modified_gmt', 6112 'menu_order', 6113 'parent', 6114 'post_parent', 6115 'ID', 6116 'rand', 6117 'comment_count', 6118 ); 6119 6120 foreach ( explode( ',', $parsed_args['sort_column'] ) as $orderby ) { 6121 $orderby = trim( $orderby ); 6122 if ( ! in_array( $orderby, $allowed_keys, true ) ) { 6123 continue; 6124 } 6125 6126 switch ( $orderby ) { 6127 case 'menu_order': 6128 break; 6129 case 'ID': 6130 $orderby = "$wpdb->posts.ID"; 6131 break; 6132 case 'rand': 6133 $orderby = 'RAND()'; 6134 break; 6135 case 'comment_count': 6136 $orderby = "$wpdb->posts.comment_count"; 6137 break; 6138 default: 6139 if ( 0 === strpos( $orderby, 'post_' ) ) { 6140 $orderby = "$wpdb->posts." . $orderby; 6141 } else { 6142 $orderby = "$wpdb->posts.post_" . $orderby; 6143 } 6144 } 6145 6146 $orderby_array[] = $orderby; 6147 6148 } 6149 $sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title"; 6150 6151 $sort_order = strtoupper( $parsed_args['sort_order'] ); 6152 if ( '' !== $sort_order && ! in_array( $sort_order, array( 'ASC', 'DESC' ), true ) ) { 6153 $sort_order = 'ASC'; 6154 } 6155 6156 $query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where "; 6157 $query .= $author_query; 6158 $query .= ' ORDER BY ' . $sort_column . ' ' . $sort_order; 6159 6160 if ( ! empty( $number ) ) { 6161 $query .= ' LIMIT ' . $offset . ',' . $number; 6162 } 6163 6164 $pages = $wpdb->get_results( $query ); 6165 6166 if ( empty( $pages ) ) { 6167 wp_cache_set( $cache_key, array(), 'posts' ); 6168 6169 /** This filter is documented in wp-includes/post.php */ 6170 $pages = apply_filters( 'get_pages', array(), $parsed_args ); 6171 6172 return $pages; 6173 } 6174 6175 // Sanitize before caching so it'll only get done once. 6176 $num_pages = count( $pages ); 6177 for ( $i = 0; $i < $num_pages; $i++ ) { 6178 $pages[ $i ] = sanitize_post( $pages[ $i ], 'raw' ); 6179 } 6180 6181 // Update cache. 6182 update_post_cache( $pages ); 6183 6184 if ( $child_of || $hierarchical ) { 6185 $pages = get_page_children( $child_of, $pages ); 6186 } 6187 6188 if ( ! empty( $parsed_args['exclude_tree'] ) ) { 6189 $exclude = wp_parse_id_list( $parsed_args['exclude_tree'] ); 6190 foreach ( $exclude as $id ) { 6191 $children = get_page_children( $id, $pages ); 6192 foreach ( $children as $child ) { 6193 $exclude[] = $child->ID; 6194 } 6195 } 6196 6197 $num_pages = count( $pages ); 6198 for ( $i = 0; $i < $num_pages; $i++ ) { 6199 if ( in_array( $pages[ $i ]->ID, $exclude, true ) ) { 6200 unset( $pages[ $i ] ); 6201 } 6202 } 6203 } 6204 6205 $page_structure = array(); 6206 foreach ( $pages as $page ) { 6207 $page_structure[] = $page->ID; 6208 } 6209 6210 wp_cache_set( $cache_key, $page_structure, 'posts' ); 6211 6212 // Convert to WP_Post instances. 6213 $pages = array_map( 'get_post', $pages ); 6214 6215 /** 6216 * Filters the retrieved list of pages. 6217 * 6218 * @since 2.1.0 6219 * 6220 * @param WP_Post[] $pages Array of page objects. 6221 * @param array $parsed_args Array of get_pages() arguments. 6222 */ 6223 return apply_filters( 'get_pages', $pages, $parsed_args ); 6224 } 6225 6226 // 6227 // Attachment functions. 6228 // 6229 6230 /** 6231 * Determines whether an attachment URI is local and really an attachment. 6232 * 6233 * For more information on this and similar theme functions, check out 6234 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 6235 * Conditional Tags} article in the Theme Developer Handbook. 6236 * 6237 * @since 2.0.0 6238 * 6239 * @param string $url URL to check 6240 * @return bool True on success, false on failure. 6241 */ 6242 function is_local_attachment( $url ) { 6243 if ( strpos( $url, home_url() ) === false ) { 6244 return false; 6245 } 6246 if ( strpos( $url, home_url( '/?attachment_id=' ) ) !== false ) { 6247 return true; 6248 } 6249 6250 $id = url_to_postid( $url ); 6251 if ( $id ) { 6252 $post = get_post( $id ); 6253 if ( 'attachment' === $post->post_type ) { 6254 return true; 6255 } 6256 } 6257 return false; 6258 } 6259 6260 /** 6261 * Insert an attachment. 6262 * 6263 * If you set the 'ID' in the $args parameter, it will mean that you are 6264 * updating and attempt to update the attachment. You can also set the 6265 * attachment name or title by setting the key 'post_name' or 'post_title'. 6266 * 6267 * You can set the dates for the attachment manually by setting the 'post_date' 6268 * and 'post_date_gmt' keys' values. 6269 * 6270 * By default, the comments will use the default settings for whether the 6271 * comments are allowed. You can close them manually or keep them open by 6272 * setting the value for the 'comment_status' key. 6273 * 6274 * @since 2.0.0 6275 * @since 4.7.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. 6276 * @since 5.6.0 Added the `$fire_after_hooks` parameter. 6277 * 6278 * @see wp_insert_post() 6279 * 6280 * @param string|array $args Arguments for inserting an attachment. 6281 * @param string|false $file Optional. Filename. 6282 * @param int $parent Optional. Parent post ID. 6283 * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. 6284 * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. 6285 * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure. 6286 */ 6287 function wp_insert_attachment( $args, $file = false, $parent = 0, $wp_error = false, $fire_after_hooks = true ) { 6288 $defaults = array( 6289 'file' => $file, 6290 'post_parent' => 0, 6291 ); 6292 6293 $data = wp_parse_args( $args, $defaults ); 6294 6295 if ( ! empty( $parent ) ) { 6296 $data['post_parent'] = $parent; 6297 } 6298 6299 $data['post_type'] = 'attachment'; 6300 6301 return wp_insert_post( $data, $wp_error, $fire_after_hooks ); 6302 } 6303 6304 /** 6305 * Trash or delete an attachment. 6306 * 6307 * When an attachment is permanently deleted, the file will also be removed. 6308 * Deletion removes all post meta fields, taxonomy, comments, etc. associated 6309 * with the attachment (except the main post). 6310 * 6311 * The attachment is moved to the Trash instead of permanently deleted unless Trash 6312 * for media is disabled, item is already in the Trash, or $force_delete is true. 6313 * 6314 * @since 2.0.0 6315 * 6316 * @global wpdb $wpdb WordPress database abstraction object. 6317 * 6318 * @param int $post_id Attachment ID. 6319 * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. 6320 * Default false. 6321 * @return WP_Post|false|null Post data on success, false or null on failure. 6322 */ 6323 function wp_delete_attachment( $post_id, $force_delete = false ) { 6324 global $wpdb; 6325 6326 $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) ); 6327 6328 if ( ! $post ) { 6329 return $post; 6330 } 6331 6332 $post = get_post( $post ); 6333 6334 if ( 'attachment' !== $post->post_type ) { 6335 return false; 6336 } 6337 6338 if ( ! $force_delete && EMPTY_TRASH_DAYS && MEDIA_TRASH && 'trash' !== $post->post_status ) { 6339 return wp_trash_post( $post_id ); 6340 } 6341 6342 /** 6343 * Filters whether an attachment deletion should take place. 6344 * 6345 * @since 5.5.0 6346 * 6347 * @param WP_Post|false|null $delete Whether to go forward with deletion. @TODO description 6348 * @param WP_Post $post Post object. 6349 * @param bool $force_delete Whether to bypass the Trash. 6350 */ 6351 $check = apply_filters( 'pre_delete_attachment', null, $post, $force_delete ); 6352 if ( null !== $check ) { 6353 return $check; 6354 } 6355 6356 delete_post_meta( $post_id, '_wp_trash_meta_status' ); 6357 delete_post_meta( $post_id, '_wp_trash_meta_time' ); 6358 6359 $meta = wp_get_attachment_metadata( $post_id ); 6360 $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); 6361 $file = get_attached_file( $post_id ); 6362 6363 if ( is_multisite() && is_string( $file ) && ! empty( $file ) ) { 6364 clean_dirsize_cache( $file ); 6365 } 6366 6367 /** 6368 * Fires before an attachment is deleted, at the start of wp_delete_attachment(). 6369 * 6370 * @since 2.0.0 6371 * @since 5.5.0 Added the `$post` parameter. 6372 * 6373 * @param int $post_id Attachment ID. 6374 * @param WP_Post $post Post object. 6375 */ 6376 do_action( 'delete_attachment', $post_id, $post ); 6377 6378 wp_delete_object_term_relationships( $post_id, array( 'category', 'post_tag' ) ); 6379 wp_delete_object_term_relationships( $post_id, get_object_taxonomies( $post->post_type ) ); 6380 6381 // Delete all for any posts. 6382 delete_metadata( 'post', null, '_thumbnail_id', $post_id, true ); 6383 6384 wp_defer_comment_counting( true ); 6385 6386 $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $post_id ) ); 6387 foreach ( $comment_ids as $comment_id ) { 6388 wp_delete_comment( $comment_id, true ); 6389 } 6390 6391 wp_defer_comment_counting( false ); 6392 6393 $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ) ); 6394 foreach ( $post_meta_ids as $mid ) { 6395 delete_metadata_by_mid( 'post', $mid ); 6396 } 6397 6398 /** This action is documented in wp-includes/post.php */ 6399 do_action( 'delete_post', $post_id, $post ); 6400 $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); 6401 if ( ! $result ) { 6402 return false; 6403 } 6404 /** This action is documented in wp-includes/post.php */ 6405 do_action( 'deleted_post', $post_id, $post ); 6406 6407 wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ); 6408 6409 clean_post_cache( $post ); 6410 6411 return $post; 6412 } 6413 6414 /** 6415 * Deletes all files that belong to the given attachment. 6416 * 6417 * @since 4.9.7 6418 * 6419 * @global wpdb $wpdb WordPress database abstraction object. 6420 * 6421 * @param int $post_id Attachment ID. 6422 * @param array $meta The attachment's meta data. 6423 * @param array $backup_sizes The meta data for the attachment's backup images. 6424 * @param string $file Absolute path to the attachment's file. 6425 * @return bool True on success, false on failure. 6426 */ 6427 function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) { 6428 global $wpdb; 6429 6430 $uploadpath = wp_get_upload_dir(); 6431 $deleted = true; 6432 6433 if ( ! empty( $meta['thumb'] ) ) { 6434 // Don't delete the thumb if another attachment uses it. 6435 if ( ! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id ) ) ) { 6436 $thumbfile = str_replace( wp_basename( $file ), $meta['thumb'], $file ); 6437 6438 if ( ! empty( $thumbfile ) ) { 6439 $thumbfile = path_join( $uploadpath['basedir'], $thumbfile ); 6440 $thumbdir = path_join( $uploadpath['basedir'], dirname( $file ) ); 6441 6442 if ( ! wp_delete_file_from_directory( $thumbfile, $thumbdir ) ) { 6443 $deleted = false; 6444 } 6445 } 6446 } 6447 } 6448 6449 // Remove intermediate and backup images if there are any. 6450 if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { 6451 $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); 6452 6453 foreach ( $meta['sizes'] as $size => $sizeinfo ) { 6454 $intermediate_file = str_replace( wp_basename( $file ), $sizeinfo['file'], $file ); 6455 6456 if ( ! empty( $intermediate_file ) ) { 6457 $intermediate_file = path_join( $uploadpath['basedir'], $intermediate_file ); 6458 6459 if ( ! wp_delete_file_from_directory( $intermediate_file, $intermediate_dir ) ) { 6460 $deleted = false; 6461 } 6462 } 6463 } 6464 } 6465 6466 if ( ! empty( $meta['original_image'] ) ) { 6467 if ( empty( $intermediate_dir ) ) { 6468 $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); 6469 } 6470 6471 $original_image = str_replace( wp_basename( $file ), $meta['original_image'], $file ); 6472 6473 if ( ! empty( $original_image ) ) { 6474 $original_image = path_join( $uploadpath['basedir'], $original_image ); 6475 6476 if ( ! wp_delete_file_from_directory( $original_image, $intermediate_dir ) ) { 6477 $deleted = false; 6478 } 6479 } 6480 } 6481 6482 if ( is_array( $backup_sizes ) ) { 6483 $del_dir = path_join( $uploadpath['basedir'], dirname( $meta['file'] ) ); 6484 6485 foreach ( $backup_sizes as $size ) { 6486 $del_file = path_join( dirname( $meta['file'] ), $size['file'] ); 6487 6488 if ( ! empty( $del_file ) ) { 6489 $del_file = path_join( $uploadpath['basedir'], $del_file ); 6490 6491 if ( ! wp_delete_file_from_directory( $del_file, $del_dir ) ) { 6492 $deleted = false; 6493 } 6494 } 6495 } 6496 } 6497 6498 if ( ! wp_delete_file_from_directory( $file, $uploadpath['basedir'] ) ) { 6499 $deleted = false; 6500 } 6501 6502 return $deleted; 6503 } 6504 6505 /** 6506 * Retrieves attachment metadata for attachment ID. 6507 * 6508 * @since 2.1.0 6509 * 6510 * @param int $attachment_id Attachment post ID. Defaults to global $post. 6511 * @param bool $unfiltered Optional. If true, filters are not run. Default false. 6512 * @return array|false { 6513 * Attachment metadata. False on failure. 6514 * 6515 * @type int $width The width of the attachment. 6516 * @type int $height The height of the attachment. 6517 * @type string $file The file path relative to `wp-content/uploads`. 6518 * @type array $sizes Keys are size slugs, each value is an array containing 6519 * 'file', 'width', 'height', and 'mime-type'. 6520 * @type array $image_meta Image metadata. 6521 * @type int $filesize File size of the attachment. 6522 * } 6523 */ 6524 function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) { 6525 $attachment_id = (int) $attachment_id; 6526 6527 if ( ! $attachment_id ) { 6528 $post = get_post(); 6529 6530 if ( ! $post ) { 6531 return false; 6532 } 6533 6534 $attachment_id = $post->ID; 6535 } 6536 6537 $data = get_post_meta( $attachment_id, '_wp_attachment_metadata', true ); 6538 6539 if ( ! $data ) { 6540 return false; 6541 } 6542 6543 if ( $unfiltered ) { 6544 return $data; 6545 } 6546 6547 /** 6548 * Filters the attachment meta data. 6549 * 6550 * @since 2.1.0 6551 * 6552 * @param array $data Array of meta data for the given attachment. 6553 * @param int $attachment_id Attachment post ID. 6554 */ 6555 return apply_filters( 'wp_get_attachment_metadata', $data, $attachment_id ); 6556 } 6557 6558 /** 6559 * Updates metadata for an attachment. 6560 * 6561 * @since 2.1.0 6562 * 6563 * @param int $attachment_id Attachment post ID. 6564 * @param array $data Attachment meta data. 6565 * @return int|false False if $post is invalid. 6566 */ 6567 function wp_update_attachment_metadata( $attachment_id, $data ) { 6568 $attachment_id = (int) $attachment_id; 6569 6570 $post = get_post( $attachment_id ); 6571 6572 if ( ! $post ) { 6573 return false; 6574 } 6575 6576 /** 6577 * Filters the updated attachment meta data. 6578 * 6579 * @since 2.1.0 6580 * 6581 * @param array $data Array of updated attachment meta data. 6582 * @param int $attachment_id Attachment post ID. 6583 */ 6584 $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ); 6585 if ( $data ) { 6586 return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); 6587 } else { 6588 return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); 6589 } 6590 } 6591 6592 /** 6593 * Retrieve the URL for an attachment. 6594 * 6595 * @since 2.1.0 6596 * 6597 * @global string $pagenow The filename of the current screen. 6598 * 6599 * @param int $attachment_id Optional. Attachment post ID. Defaults to global $post. 6600 * @return string|false Attachment URL, otherwise false. 6601 */ 6602 function wp_get_attachment_url( $attachment_id = 0 ) { 6603 global $pagenow; 6604 6605 $attachment_id = (int) $attachment_id; 6606 6607 $post = get_post( $attachment_id ); 6608 6609 if ( ! $post ) { 6610 return false; 6611 } 6612 6613 if ( 'attachment' !== $post->post_type ) { 6614 return false; 6615 } 6616 6617 $url = ''; 6618 // Get attached file. 6619 $file = get_post_meta( $post->ID, '_wp_attached_file', true ); 6620 if ( $file ) { 6621 // Get upload directory. 6622 $uploads = wp_get_upload_dir(); 6623 if ( $uploads && false === $uploads['error'] ) { 6624 // Check that the upload base exists in the file location. 6625 if ( 0 === strpos( $file, $uploads['basedir'] ) ) { 6626 // Replace file location with url location. 6627 $url = str_replace( $uploads['basedir'], $uploads['baseurl'], $file ); 6628 } elseif ( false !== strpos( $file, 'wp-content/uploads' ) ) { 6629 // Get the directory name relative to the basedir (back compat for pre-2.7 uploads). 6630 $url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . wp_basename( $file ); 6631 } else { 6632 // It's a newly-uploaded file, therefore $file is relative to the basedir. 6633 $url = $uploads['baseurl'] . "/$file"; 6634 } 6635 } 6636 } 6637 6638 /* 6639 * If any of the above options failed, Fallback on the GUID as used pre-2.7, 6640 * not recommended to rely upon this. 6641 */ 6642 if ( ! $url ) { 6643 $url = get_the_guid( $post->ID ); 6644 } 6645 6646 // On SSL front end, URLs should be HTTPS. 6647 if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow ) { 6648 $url = set_url_scheme( $url ); 6649 } 6650 6651 /** 6652 * Filters the attachment URL. 6653 * 6654 * @since 2.1.0 6655 * 6656 * @param string $url URL for the given attachment. 6657 * @param int $attachment_id Attachment post ID. 6658 */ 6659 $url = apply_filters( 'wp_get_attachment_url', $url, $post->ID ); 6660 6661 if ( ! $url ) { 6662 return false; 6663 } 6664 6665 return $url; 6666 } 6667 6668 /** 6669 * Retrieves the caption for an attachment. 6670 * 6671 * @since 4.6.0 6672 * 6673 * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. 6674 * @return string|false Attachment caption on success, false on failure. 6675 */ 6676 function wp_get_attachment_caption( $post_id = 0 ) { 6677 $post_id = (int) $post_id; 6678 $post = get_post( $post_id ); 6679 6680 if ( ! $post ) { 6681 return false; 6682 } 6683 6684 if ( 'attachment' !== $post->post_type ) { 6685 return false; 6686 } 6687 6688 $caption = $post->post_excerpt; 6689 6690 /** 6691 * Filters the attachment caption. 6692 * 6693 * @since 4.6.0 6694 * 6695 * @param string $caption Caption for the given attachment. 6696 * @param int $post_id Attachment ID. 6697 */ 6698 return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID ); 6699 } 6700 6701 /** 6702 * Retrieve thumbnail for an attachment. 6703 * 6704 * @since 2.1.0 6705 * 6706 * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. 6707 * @return string|false Thumbnail file path on success, false on failure. 6708 */ 6709 function wp_get_attachment_thumb_file( $post_id = 0 ) { 6710 $post_id = (int) $post_id; 6711 $post = get_post( $post_id ); 6712 6713 if ( ! $post ) { 6714 return false; 6715 } 6716 6717 $imagedata = wp_get_attachment_metadata( $post->ID ); 6718 if ( ! is_array( $imagedata ) ) { 6719 return false; 6720 } 6721 6722 $file = get_attached_file( $post->ID ); 6723 6724 if ( ! empty( $imagedata['thumb'] ) ) { 6725 $thumbfile = str_replace( wp_basename( $file ), $imagedata['thumb'], $file ); 6726 if ( file_exists( $thumbfile ) ) { 6727 /** 6728 * Filters the attachment thumbnail file path. 6729 * 6730 * @since 2.1.0 6731 * 6732 * @param string $thumbfile File path to the attachment thumbnail. 6733 * @param int $post_id Attachment ID. 6734 */ 6735 return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID ); 6736 } 6737 } 6738 return false; 6739 } 6740 6741 /** 6742 * Retrieve URL for an attachment thumbnail. 6743 * 6744 * @since 2.1.0 6745 * 6746 * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. 6747 * @return string|false Thumbnail URL on success, false on failure. 6748 */ 6749 function wp_get_attachment_thumb_url( $post_id = 0 ) { 6750 $post_id = (int) $post_id; 6751 $post = get_post( $post_id ); 6752 6753 if ( ! $post ) { 6754 return false; 6755 } 6756 6757 $url = wp_get_attachment_url( $post->ID ); 6758 if ( ! $url ) { 6759 return false; 6760 } 6761 6762 $sized = image_downsize( $post_id, 'thumbnail' ); 6763 if ( $sized ) { 6764 return $sized[0]; 6765 } 6766 6767 $thumb = wp_get_attachment_thumb_file( $post->ID ); 6768 if ( ! $thumb ) { 6769 return false; 6770 } 6771 6772 $url = str_replace( wp_basename( $url ), wp_basename( $thumb ), $url ); 6773 6774 /** 6775 * Filters the attachment thumbnail URL. 6776 * 6777 * @since 2.1.0 6778 * 6779 * @param string $url URL for the attachment thumbnail. 6780 * @param int $post_id Attachment ID. 6781 */ 6782 return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID ); 6783 } 6784 6785 /** 6786 * Verifies an attachment is of a given type. 6787 * 6788 * @since 4.2.0 6789 * 6790 * @param string $type Attachment type. Accepts 'image', 'audio', or 'video'. 6791 * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. 6792 * @return bool True if one of the accepted types, false otherwise. 6793 */ 6794 function wp_attachment_is( $type, $post = null ) { 6795 $post = get_post( $post ); 6796 6797 if ( ! $post ) { 6798 return false; 6799 } 6800 6801 $file = get_attached_file( $post->ID ); 6802 6803 if ( ! $file ) { 6804 return false; 6805 } 6806 6807 if ( 0 === strpos( $post->post_mime_type, $type . '/' ) ) { 6808 return true; 6809 } 6810 6811 $check = wp_check_filetype( $file ); 6812 6813 if ( empty( $check['ext'] ) ) { 6814 return false; 6815 } 6816 6817 $ext = $check['ext']; 6818 6819 if ( 'import' !== $post->post_mime_type ) { 6820 return $type === $ext; 6821 } 6822 6823 switch ( $type ) { 6824 case 'image': 6825 $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'webp' ); 6826 return in_array( $ext, $image_exts, true ); 6827 6828 case 'audio': 6829 return in_array( $ext, wp_get_audio_extensions(), true ); 6830 6831 case 'video': 6832 return in_array( $ext, wp_get_video_extensions(), true ); 6833 6834 default: 6835 return $type === $ext; 6836 } 6837 } 6838 6839 /** 6840 * Determines whether an attachment is an image. 6841 * 6842 * For more information on this and similar theme functions, check out 6843 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 6844 * Conditional Tags} article in the Theme Developer Handbook. 6845 * 6846 * @since 2.1.0 6847 * @since 4.2.0 Modified into wrapper for wp_attachment_is() and 6848 * allowed WP_Post object to be passed. 6849 * 6850 * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. 6851 * @return bool Whether the attachment is an image. 6852 */ 6853 function wp_attachment_is_image( $post = null ) { 6854 return wp_attachment_is( 'image', $post ); 6855 } 6856 6857 /** 6858 * Retrieve the icon for a MIME type or attachment. 6859 * 6860 * @since 2.1.0 6861 * 6862 * @param string|int $mime MIME type or attachment ID. 6863 * @return string|false Icon, false otherwise. 6864 */ 6865 function wp_mime_type_icon( $mime = 0 ) { 6866 if ( ! is_numeric( $mime ) ) { 6867 $icon = wp_cache_get( "mime_type_icon_$mime" ); 6868 } 6869 6870 $post_id = 0; 6871 if ( empty( $icon ) ) { 6872 $post_mimes = array(); 6873 if ( is_numeric( $mime ) ) { 6874 $mime = (int) $mime; 6875 $post = get_post( $mime ); 6876 if ( $post ) { 6877 $post_id = (int) $post->ID; 6878 $file = get_attached_file( $post_id ); 6879 $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $file ); 6880 if ( ! empty( $ext ) ) { 6881 $post_mimes[] = $ext; 6882 $ext_type = wp_ext2type( $ext ); 6883 if ( $ext_type ) { 6884 $post_mimes[] = $ext_type; 6885 } 6886 } 6887 $mime = $post->post_mime_type; 6888 } else { 6889 $mime = 0; 6890 } 6891 } else { 6892 $post_mimes[] = $mime; 6893 } 6894 6895 $icon_files = wp_cache_get( 'icon_files' ); 6896 6897 if ( ! is_array( $icon_files ) ) { 6898 /** 6899 * Filters the icon directory path. 6900 * 6901 * @since 2.0.0 6902 * 6903 * @param string $path Icon directory absolute path. 6904 */ 6905 $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' ); 6906 6907 /** 6908 * Filters the icon directory URI. 6909 * 6910 * @since 2.0.0 6911 * 6912 * @param string $uri Icon directory URI. 6913 */ 6914 $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) ); 6915 6916 /** 6917 * Filters the array of icon directory URIs. 6918 * 6919 * @since 2.5.0 6920 * 6921 * @param string[] $uris Array of icon directory URIs keyed by directory absolute path. 6922 */ 6923 $dirs = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) ); 6924 $icon_files = array(); 6925 while ( $dirs ) { 6926 $keys = array_keys( $dirs ); 6927 $dir = array_shift( $keys ); 6928 $uri = array_shift( $dirs ); 6929 $dh = opendir( $dir ); 6930 if ( $dh ) { 6931 while ( false !== $file = readdir( $dh ) ) { 6932 $file = wp_basename( $file ); 6933 if ( '.' === substr( $file, 0, 1 ) ) { 6934 continue; 6935 } 6936 6937 $ext = strtolower( substr( $file, -4 ) ); 6938 if ( ! in_array( $ext, array( '.png', '.gif', '.jpg' ), true ) ) { 6939 if ( is_dir( "$dir/$file" ) ) { 6940 $dirs[ "$dir/$file" ] = "$uri/$file"; 6941 } 6942 continue; 6943 } 6944 $icon_files[ "$dir/$file" ] = "$uri/$file"; 6945 } 6946 closedir( $dh ); 6947 } 6948 } 6949 wp_cache_add( 'icon_files', $icon_files, 'default', 600 ); 6950 } 6951 6952 $types = array(); 6953 // Icon wp_basename - extension = MIME wildcard. 6954 foreach ( $icon_files as $file => $uri ) { 6955 $types[ preg_replace( '/^([^.]*).*$/', '$1', wp_basename( $file ) ) ] =& $icon_files[ $file ]; 6956 } 6957 6958 if ( ! empty( $mime ) ) { 6959 $post_mimes[] = substr( $mime, 0, strpos( $mime, '/' ) ); 6960 $post_mimes[] = substr( $mime, strpos( $mime, '/' ) + 1 ); 6961 $post_mimes[] = str_replace( '/', '_', $mime ); 6962 } 6963 6964 $matches = wp_match_mime_types( array_keys( $types ), $post_mimes ); 6965 $matches['default'] = array( 'default' ); 6966 6967 foreach ( $matches as $match => $wilds ) { 6968 foreach ( $wilds as $wild ) { 6969 if ( ! isset( $types[ $wild ] ) ) { 6970 continue; 6971 } 6972 6973 $icon = $types[ $wild ]; 6974 if ( ! is_numeric( $mime ) ) { 6975 wp_cache_add( "mime_type_icon_$mime", $icon ); 6976 } 6977 break 2; 6978 } 6979 } 6980 } 6981 6982 /** 6983 * Filters the mime type icon. 6984 * 6985 * @since 2.1.0 6986 * 6987 * @param string $icon Path to the mime type icon. 6988 * @param string $mime Mime type. 6989 * @param int $post_id Attachment ID. Will equal 0 if the function passed 6990 * the mime type. 6991 */ 6992 return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); 6993 } 6994 6995 /** 6996 * Check for changed slugs for published post objects and save the old slug. 6997 * 6998 * The function is used when a post object of any type is updated, 6999 * by comparing the current and previous post objects. 7000 * 7001 * If the slug was changed and not already part of the old slugs then it will be 7002 * added to the post meta field ('_wp_old_slug') for storing old slugs for that 7003 * post. 7004 * 7005 * The most logically usage of this function is redirecting changed post objects, so 7006 * that those that linked to an changed post will be redirected to the new post. 7007 * 7008 * @since 2.1.0 7009 * 7010 * @param int $post_id Post ID. 7011 * @param WP_Post $post The Post Object 7012 * @param WP_Post $post_before The Previous Post Object 7013 */ 7014 function wp_check_for_changed_slugs( $post_id, $post, $post_before ) { 7015 // Don't bother if it hasn't changed. 7016 if ( $post->post_name == $post_before->post_name ) { 7017 return; 7018 } 7019 7020 // We're only concerned with published, non-hierarchical objects. 7021 if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { 7022 return; 7023 } 7024 7025 $old_slugs = (array) get_post_meta( $post_id, '_wp_old_slug' ); 7026 7027 // If we haven't added this old slug before, add it now. 7028 if ( ! empty( $post_before->post_name ) && ! in_array( $post_before->post_name, $old_slugs, true ) ) { 7029 add_post_meta( $post_id, '_wp_old_slug', $post_before->post_name ); 7030 } 7031 7032 // If the new slug was used previously, delete it from the list. 7033 if ( in_array( $post->post_name, $old_slugs, true ) ) { 7034 delete_post_meta( $post_id, '_wp_old_slug', $post->post_name ); 7035 } 7036 } 7037 7038 /** 7039 * Check for changed dates for published post objects and save the old date. 7040 * 7041 * The function is used when a post object of any type is updated, 7042 * by comparing the current and previous post objects. 7043 * 7044 * If the date was changed and not already part of the old dates then it will be 7045 * added to the post meta field ('_wp_old_date') for storing old dates for that 7046 * post. 7047 * 7048 * The most logically usage of this function is redirecting changed post objects, so 7049 * that those that linked to an changed post will be redirected to the new post. 7050 * 7051 * @since 4.9.3 7052 * 7053 * @param int $post_id Post ID. 7054 * @param WP_Post $post The Post Object 7055 * @param WP_Post $post_before The Previous Post Object 7056 */ 7057 function wp_check_for_changed_dates( $post_id, $post, $post_before ) { 7058 $previous_date = gmdate( 'Y-m-d', strtotime( $post_before->post_date ) ); 7059 $new_date = gmdate( 'Y-m-d', strtotime( $post->post_date ) ); 7060 7061 // Don't bother if it hasn't changed. 7062 if ( $new_date == $previous_date ) { 7063 return; 7064 } 7065 7066 // We're only concerned with published, non-hierarchical objects. 7067 if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { 7068 return; 7069 } 7070 7071 $old_dates = (array) get_post_meta( $post_id, '_wp_old_date' ); 7072 7073 // If we haven't added this old date before, add it now. 7074 if ( ! empty( $previous_date ) && ! in_array( $previous_date, $old_dates, true ) ) { 7075 add_post_meta( $post_id, '_wp_old_date', $previous_date ); 7076 } 7077 7078 // If the new slug was used previously, delete it from the list. 7079 if ( in_array( $new_date, $old_dates, true ) ) { 7080 delete_post_meta( $post_id, '_wp_old_date', $new_date ); 7081 } 7082 } 7083 7084 /** 7085 * Retrieve the private post SQL based on capability. 7086 * 7087 * This function provides a standardized way to appropriately select on the 7088 * post_status of a post type. The function will return a piece of SQL code 7089 * that can be added to a WHERE clause; this SQL is constructed to allow all 7090 * published posts, and all private posts to which the user has access. 7091 * 7092 * @since 2.2.0 7093 * @since 4.3.0 Added the ability to pass an array to `$post_type`. 7094 * 7095 * @param string|array $post_type Single post type or an array of post types. Currently only supports 'post' or 'page'. 7096 * @return string SQL code that can be added to a where clause. 7097 */ 7098 function get_private_posts_cap_sql( $post_type ) { 7099 return get_posts_by_author_sql( $post_type, false ); 7100 } 7101 7102 /** 7103 * Retrieve the post SQL based on capability, author, and type. 7104 * 7105 * @since 3.0.0 7106 * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`. 7107 * 7108 * @see get_private_posts_cap_sql() 7109 * @global wpdb $wpdb WordPress database abstraction object. 7110 * 7111 * @param string|string[] $post_type Single post type or an array of post types. 7112 * @param bool $full Optional. Returns a full WHERE statement instead of just 7113 * an 'andalso' term. Default true. 7114 * @param int $post_author Optional. Query posts having a single author ID. Default null. 7115 * @param bool $public_only Optional. Only return public posts. Skips cap checks for 7116 * $current_user. Default false. 7117 * @return string SQL WHERE code that can be added to a query. 7118 */ 7119 function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) { 7120 global $wpdb; 7121 7122 if ( is_array( $post_type ) ) { 7123 $post_types = $post_type; 7124 } else { 7125 $post_types = array( $post_type ); 7126 } 7127 7128 $post_type_clauses = array(); 7129 foreach ( $post_types as $post_type ) { 7130 $post_type_obj = get_post_type_object( $post_type ); 7131 if ( ! $post_type_obj ) { 7132 continue; 7133 } 7134 7135 /** 7136 * Filters the capability to read private posts for a custom post type 7137 * when generating SQL for getting posts by author. 7138 * 7139 * @since 2.2.0 7140 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless". 7141 * 7142 * @param string $cap Capability. 7143 */ 7144 $cap = apply_filters_deprecated( 'pub_priv_sql_capability', array( '' ), '3.2.0' ); 7145 if ( ! $cap ) { 7146 $cap = current_user_can( $post_type_obj->cap->read_private_posts ); 7147 } 7148 7149 // Only need to check the cap if $public_only is false. 7150 $post_status_sql = "post_status = 'publish'"; 7151 if ( false === $public_only ) { 7152 if ( $cap ) { 7153 // Does the user have the capability to view private posts? Guess so. 7154 $post_status_sql .= " OR post_status = 'private'"; 7155 } elseif ( is_user_logged_in() ) { 7156 // Users can view their own private posts. 7157 $id = get_current_user_id(); 7158 if ( null === $post_author || ! $full ) { 7159 $post_status_sql .= " OR post_status = 'private' AND post_author = $id"; 7160 } elseif ( $id == (int) $post_author ) { 7161 $post_status_sql .= " OR post_status = 'private'"; 7162 } // Else none. 7163 } // Else none. 7164 } 7165 7166 $post_type_clauses[] = "( post_type = '" . $post_type . "' AND ( $post_status_sql ) )"; 7167 } 7168 7169 if ( empty( $post_type_clauses ) ) { 7170 return $full ? 'WHERE 1 = 0' : '1 = 0'; 7171 } 7172 7173 $sql = '( ' . implode( ' OR ', $post_type_clauses ) . ' )'; 7174 7175 if ( null !== $post_author ) { 7176 $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author ); 7177 } 7178 7179 if ( $full ) { 7180 $sql = 'WHERE ' . $sql; 7181 } 7182 7183 return $sql; 7184 } 7185 7186 /** 7187 * Retrieves the most recent time that a post on the site was published. 7188 * 7189 * The server timezone is the default and is the difference between GMT and 7190 * server time. The 'blog' value is the date when the last post was posted. 7191 * The 'gmt' is when the last post was posted in GMT formatted date. 7192 * 7193 * @since 0.71 7194 * @since 4.4.0 The `$post_type` argument was added. 7195 * 7196 * @param string $timezone Optional. The timezone for the timestamp. Accepts 'server', 'blog', or 'gmt'. 7197 * 'server' uses the server's internal timezone. 7198 * 'blog' uses the `post_date` field, which proxies to the timezone set for the site. 7199 * 'gmt' uses the `post_date_gmt` field. 7200 * Default 'server'. 7201 * @param string $post_type Optional. The post type to check. Default 'any'. 7202 * @return string The date of the last post, or false on failure. 7203 */ 7204 function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) { 7205 $lastpostdate = _get_last_post_time( $timezone, 'date', $post_type ); 7206 7207 /** 7208 * Filters the most recent time that a post on the site was published. 7209 * 7210 * @since 2.3.0 7211 * @since 5.5.0 Added the `$post_type` parameter. 7212 * 7213 * @param string|false $lastpostdate The most recent time that a post was published, 7214 * in 'Y-m-d H:i:s' format. False on failure. 7215 * @param string $timezone Location to use for getting the post published date. 7216 * See get_lastpostdate() for accepted `$timezone` values. 7217 * @param string $post_type The post type to check. 7218 */ 7219 return apply_filters( 'get_lastpostdate', $lastpostdate, $timezone, $post_type ); 7220 } 7221 7222 /** 7223 * Get the most recent time that a post on the site was modified. 7224 * 7225 * The server timezone is the default and is the difference between GMT and 7226 * server time. The 'blog' value is just when the last post was modified. 7227 * The 'gmt' is when the last post was modified in GMT time. 7228 * 7229 * @since 1.2.0 7230 * @since 4.4.0 The `$post_type` argument was added. 7231 * 7232 * @param string $timezone Optional. The timezone for the timestamp. See get_lastpostdate() 7233 * for information on accepted values. 7234 * Default 'server'. 7235 * @param string $post_type Optional. The post type to check. Default 'any'. 7236 * @return string The timestamp in 'Y-m-d H:i:s' format, or false on failure. 7237 */ 7238 function get_lastpostmodified( $timezone = 'server', $post_type = 'any' ) { 7239 /** 7240 * Pre-filter the return value of get_lastpostmodified() before the query is run. 7241 * 7242 * @since 4.4.0 7243 * 7244 * @param string|false $lastpostmodified The most recent time that a post was modified, 7245 * in 'Y-m-d H:i:s' format, or false. Returning anything 7246 * other than false will short-circuit the function. 7247 * @param string $timezone Location to use for getting the post modified date. 7248 * See get_lastpostdate() for accepted `$timezone` values. 7249 * @param string $post_type The post type to check. 7250 */ 7251 $lastpostmodified = apply_filters( 'pre_get_lastpostmodified', false, $timezone, $post_type ); 7252 7253 if ( false !== $lastpostmodified ) { 7254 return $lastpostmodified; 7255 } 7256 7257 $lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type ); 7258 $lastpostdate = get_lastpostdate( $timezone, $post_type ); 7259 7260 if ( $lastpostdate > $lastpostmodified ) { 7261 $lastpostmodified = $lastpostdate; 7262 } 7263 7264 /** 7265 * Filters the most recent time that a post on the site was modified. 7266 * 7267 * @since 2.3.0 7268 * @since 5.5.0 Added the `$post_type` parameter. 7269 * 7270 * @param string|false $lastpostmodified The most recent time that a post was modified, 7271 * in 'Y-m-d H:i:s' format. False on failure. 7272 * @param string $timezone Location to use for getting the post modified date. 7273 * See get_lastpostdate() for accepted `$timezone` values. 7274 * @param string $post_type The post type to check. 7275 */ 7276 return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone, $post_type ); 7277 } 7278 7279 /** 7280 * Gets the timestamp of the last time any post was modified or published. 7281 * 7282 * @since 3.1.0 7283 * @since 4.4.0 The `$post_type` argument was added. 7284 * @access private 7285 * 7286 * @global wpdb $wpdb WordPress database abstraction object. 7287 * 7288 * @param string $timezone The timezone for the timestamp. See get_lastpostdate(). 7289 * for information on accepted values. 7290 * @param string $field Post field to check. Accepts 'date' or 'modified'. 7291 * @param string $post_type Optional. The post type to check. Default 'any'. 7292 * @return string|false The timestamp in 'Y-m-d H:i:s' format, or false on failure. 7293 */ 7294 function _get_last_post_time( $timezone, $field, $post_type = 'any' ) { 7295 global $wpdb; 7296 7297 if ( ! in_array( $field, array( 'date', 'modified' ), true ) ) { 7298 return false; 7299 } 7300 7301 $timezone = strtolower( $timezone ); 7302 7303 $key = "lastpost{$field}:$timezone"; 7304 if ( 'any' !== $post_type ) { 7305 $key .= ':' . sanitize_key( $post_type ); 7306 } 7307 7308 $date = wp_cache_get( $key, 'timeinfo' ); 7309 if ( false !== $date ) { 7310 return $date; 7311 } 7312 7313 if ( 'any' === $post_type ) { 7314 $post_types = get_post_types( array( 'public' => true ) ); 7315 array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) ); 7316 $post_types = "'" . implode( "', '", $post_types ) . "'"; 7317 } else { 7318 $post_types = "'" . sanitize_key( $post_type ) . "'"; 7319 } 7320 7321 switch ( $timezone ) { 7322 case 'gmt': 7323 $date = $wpdb->get_var( "SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); 7324 break; 7325 case 'blog': 7326 $date = $wpdb->get_var( "SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); 7327 break; 7328 case 'server': 7329 $add_seconds_server = gmdate( 'Z' ); 7330 $date = $wpdb->get_var( "SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); 7331 break; 7332 } 7333 7334 if ( $date ) { 7335 wp_cache_set( $key, $date, 'timeinfo' ); 7336 7337 return $date; 7338 } 7339 7340 return false; 7341 } 7342 7343 /** 7344 * Updates posts in cache. 7345 * 7346 * @since 1.5.1 7347 * 7348 * @param WP_Post[] $posts Array of post objects (passed by reference). 7349 */ 7350 function update_post_cache( &$posts ) { 7351 if ( ! $posts ) { 7352 return; 7353 } 7354 7355 $data = array(); 7356 foreach ( $posts as $post ) { 7357 if ( empty( $post->filter ) || 'raw' !== $post->filter ) { 7358 $post = sanitize_post( $post, 'raw' ); 7359 } 7360 $data[ $post->ID ] = $post; 7361 } 7362 wp_cache_add_multiple( $data, 'posts' ); 7363 } 7364 7365 /** 7366 * Will clean the post in the cache. 7367 * 7368 * Cleaning means delete from the cache of the post. Will call to clean the term 7369 * object cache associated with the post ID. 7370 * 7371 * This function not run if $_wp_suspend_cache_invalidation is not empty. See 7372 * wp_suspend_cache_invalidation(). 7373 * 7374 * @since 2.0.0 7375 * 7376 * @global bool $_wp_suspend_cache_invalidation 7377 * 7378 * @param int|WP_Post $post Post ID or post object to remove from the cache. 7379 */ 7380 function clean_post_cache( $post ) { 7381 global $_wp_suspend_cache_invalidation; 7382 7383 if ( ! empty( $_wp_suspend_cache_invalidation ) ) { 7384 return; 7385 } 7386 7387 $post = get_post( $post ); 7388 7389 if ( ! $post ) { 7390 return; 7391 } 7392 7393 wp_cache_delete( $post->ID, 'posts' ); 7394 wp_cache_delete( $post->ID, 'post_meta' ); 7395 7396 clean_object_term_cache( $post->ID, $post->post_type ); 7397 7398 wp_cache_delete( 'wp_get_archives', 'general' ); 7399 7400 /** 7401 * Fires immediately after the given post's cache is cleaned. 7402 * 7403 * @since 2.5.0 7404 * 7405 * @param int $post_id Post ID. 7406 * @param WP_Post $post Post object. 7407 */ 7408 do_action( 'clean_post_cache', $post->ID, $post ); 7409 7410 if ( 'page' === $post->post_type ) { 7411 wp_cache_delete( 'all_page_ids', 'posts' ); 7412 7413 /** 7414 * Fires immediately after the given page's cache is cleaned. 7415 * 7416 * @since 2.5.0 7417 * 7418 * @param int $post_id Post ID. 7419 */ 7420 do_action( 'clean_page_cache', $post->ID ); 7421 } 7422 7423 wp_cache_set( 'last_changed', microtime(), 'posts' ); 7424 } 7425 7426 /** 7427 * Call major cache updating functions for list of Post objects. 7428 * 7429 * @since 1.5.0 7430 * 7431 * @param WP_Post[] $posts Array of Post objects 7432 * @param string $post_type Optional. Post type. Default 'post'. 7433 * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. 7434 * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. 7435 */ 7436 function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) { 7437 // No point in doing all this work if we didn't match any posts. 7438 if ( ! $posts ) { 7439 return; 7440 } 7441 7442 update_post_cache( $posts ); 7443 7444 $post_ids = array(); 7445 foreach ( $posts as $post ) { 7446 $post_ids[] = $post->ID; 7447 } 7448 7449 if ( ! $post_type ) { 7450 $post_type = 'any'; 7451 } 7452 7453 if ( $update_term_cache ) { 7454 if ( is_array( $post_type ) ) { 7455 $ptypes = $post_type; 7456 } elseif ( 'any' === $post_type ) { 7457 $ptypes = array(); 7458 // Just use the post_types in the supplied posts. 7459 foreach ( $posts as $post ) { 7460 $ptypes[] = $post->post_type; 7461 } 7462 $ptypes = array_unique( $ptypes ); 7463 } else { 7464 $ptypes = array( $post_type ); 7465 } 7466 7467 if ( ! empty( $ptypes ) ) { 7468 update_object_term_cache( $post_ids, $ptypes ); 7469 } 7470 } 7471 7472 if ( $update_meta_cache ) { 7473 update_postmeta_cache( $post_ids ); 7474 } 7475 } 7476 7477 /** 7478 * Updates metadata cache for list of post IDs. 7479 * 7480 * Performs SQL query to retrieve the metadata for the post IDs and updates the 7481 * metadata cache for the posts. Therefore, the functions, which call this 7482 * function, do not need to perform SQL queries on their own. 7483 * 7484 * @since 2.1.0 7485 * 7486 * @param int[] $post_ids Array of post IDs. 7487 * @return array|false An array of metadata on success, false if there is nothing to update. 7488 */ 7489 function update_postmeta_cache( $post_ids ) { 7490 return update_meta_cache( 'post', $post_ids ); 7491 } 7492 7493 /** 7494 * Will clean the attachment in the cache. 7495 * 7496 * Cleaning means delete from the cache. Optionally will clean the term 7497 * object cache associated with the attachment ID. 7498 * 7499 * This function will not run if $_wp_suspend_cache_invalidation is not empty. 7500 * 7501 * @since 3.0.0 7502 * 7503 * @global bool $_wp_suspend_cache_invalidation 7504 * 7505 * @param int $id The attachment ID in the cache to clean. 7506 * @param bool $clean_terms Optional. Whether to clean terms cache. Default false. 7507 */ 7508 function clean_attachment_cache( $id, $clean_terms = false ) { 7509 global $_wp_suspend_cache_invalidation; 7510 7511 if ( ! empty( $_wp_suspend_cache_invalidation ) ) { 7512 return; 7513 } 7514 7515 $id = (int) $id; 7516 7517 wp_cache_delete( $id, 'posts' ); 7518 wp_cache_delete( $id, 'post_meta' ); 7519 7520 if ( $clean_terms ) { 7521 clean_object_term_cache( $id, 'attachment' ); 7522 } 7523 7524 /** 7525 * Fires after the given attachment's cache is cleaned. 7526 * 7527 * @since 3.0.0 7528 * 7529 * @param int $id Attachment ID. 7530 */ 7531 do_action( 'clean_attachment_cache', $id ); 7532 } 7533 7534 // 7535 // Hooks. 7536 // 7537 7538 /** 7539 * Hook for managing future post transitions to published. 7540 * 7541 * @since 2.3.0 7542 * @access private 7543 * 7544 * @see wp_clear_scheduled_hook() 7545 * @global wpdb $wpdb WordPress database abstraction object. 7546 * 7547 * @param string $new_status New post status. 7548 * @param string $old_status Previous post status. 7549 * @param WP_Post $post Post object. 7550 */ 7551 function _transition_post_status( $new_status, $old_status, $post ) { 7552 global $wpdb; 7553 7554 if ( 'publish' !== $old_status && 'publish' === $new_status ) { 7555 // Reset GUID if transitioning to publish and it is empty. 7556 if ( '' === get_the_guid( $post->ID ) ) { 7557 $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) ); 7558 } 7559 7560 /** 7561 * Fires when a post's status is transitioned from private to published. 7562 * 7563 * @since 1.5.0 7564 * @deprecated 2.3.0 Use {@see 'private_to_publish'} instead. 7565 * 7566 * @param int $post_id Post ID. 7567 */ 7568 do_action_deprecated( 'private_to_published', array( $post->ID ), '2.3.0', 'private_to_publish' ); 7569 } 7570 7571 // If published posts changed clear the lastpostmodified cache. 7572 if ( 'publish' === $new_status || 'publish' === $old_status ) { 7573 foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { 7574 wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' ); 7575 wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' ); 7576 wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' ); 7577 } 7578 } 7579 7580 if ( $new_status !== $old_status ) { 7581 wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' ); 7582 wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' ); 7583 } 7584 7585 // Always clears the hook in case the post status bounced from future to draft. 7586 wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); 7587 } 7588 7589 /** 7590 * Hook used to schedule publication for a post marked for the future. 7591 * 7592 * The $post properties used and must exist are 'ID' and 'post_date_gmt'. 7593 * 7594 * @since 2.3.0 7595 * @access private 7596 * 7597 * @param int $deprecated Not used. Can be set to null. Never implemented. Not marked 7598 * as deprecated with _deprecated_argument() as it conflicts with 7599 * wp_transition_post_status() and the default filter for _future_post_hook(). 7600 * @param WP_Post $post Post object. 7601 */ 7602 function _future_post_hook( $deprecated, $post ) { 7603 wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); 7604 wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT' ), 'publish_future_post', array( $post->ID ) ); 7605 } 7606 7607 /** 7608 * Hook to schedule pings and enclosures when a post is published. 7609 * 7610 * Uses XMLRPC_REQUEST and WP_IMPORTING constants. 7611 * 7612 * @since 2.3.0 7613 * @access private 7614 * 7615 * @param int $post_id The ID of the post being published. 7616 */ 7617 function _publish_post_hook( $post_id ) { 7618 if ( defined( 'XMLRPC_REQUEST' ) ) { 7619 /** 7620 * Fires when _publish_post_hook() is called during an XML-RPC request. 7621 * 7622 * @since 2.1.0 7623 * 7624 * @param int $post_id Post ID. 7625 */ 7626 do_action( 'xmlrpc_publish_post', $post_id ); 7627 } 7628 7629 if ( defined( 'WP_IMPORTING' ) ) { 7630 return; 7631 } 7632 7633 if ( get_option( 'default_pingback_flag' ) ) { 7634 add_post_meta( $post_id, '_pingme', '1', true ); 7635 } 7636 add_post_meta( $post_id, '_encloseme', '1', true ); 7637 7638 $to_ping = get_to_ping( $post_id ); 7639 if ( ! empty( $to_ping ) ) { 7640 add_post_meta( $post_id, '_trackbackme', '1' ); 7641 } 7642 7643 if ( ! wp_next_scheduled( 'do_pings' ) ) { 7644 wp_schedule_single_event( time(), 'do_pings' ); 7645 } 7646 } 7647 7648 /** 7649 * Returns the ID of the post's parent. 7650 * 7651 * @since 3.1.0 7652 * @since 5.9.0 The `$post` parameter was made optional. 7653 * 7654 * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. 7655 * @return int|false Post parent ID (which can be 0 if there is no parent), 7656 * or false if the post does not exist. 7657 */ 7658 function wp_get_post_parent_id( $post = null ) { 7659 $post = get_post( $post ); 7660 if ( ! $post || is_wp_error( $post ) ) { 7661 return false; 7662 } 7663 return (int) $post->post_parent; 7664 } 7665 7666 /** 7667 * Check the given subset of the post hierarchy for hierarchy loops. 7668 * 7669 * Prevents loops from forming and breaks those that it finds. Attached 7670 * to the {@see 'wp_insert_post_parent'} filter. 7671 * 7672 * @since 3.1.0 7673 * 7674 * @see wp_find_hierarchy_loop() 7675 * 7676 * @param int $post_parent ID of the parent for the post we're checking. 7677 * @param int $post_ID ID of the post we're checking. 7678 * @return int The new post_parent for the post, 0 otherwise. 7679 */ 7680 function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) { 7681 // Nothing fancy here - bail. 7682 if ( ! $post_parent ) { 7683 return 0; 7684 } 7685 7686 // New post can't cause a loop. 7687 if ( ! $post_ID ) { 7688 return $post_parent; 7689 } 7690 7691 // Can't be its own parent. 7692 if ( $post_parent == $post_ID ) { 7693 return 0; 7694 } 7695 7696 // Now look for larger loops. 7697 $loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_ID, $post_parent ); 7698 if ( ! $loop ) { 7699 return $post_parent; // No loop. 7700 } 7701 7702 // Setting $post_parent to the given value causes a loop. 7703 if ( isset( $loop[ $post_ID ] ) ) { 7704 return 0; 7705 } 7706 7707 // There's a loop, but it doesn't contain $post_ID. Break the loop. 7708 foreach ( array_keys( $loop ) as $loop_member ) { 7709 wp_update_post( 7710 array( 7711 'ID' => $loop_member, 7712 'post_parent' => 0, 7713 ) 7714 ); 7715 } 7716 7717 return $post_parent; 7718 } 7719 7720 /** 7721 * Sets the post thumbnail (featured image) for the given post. 7722 * 7723 * @since 3.1.0 7724 * 7725 * @param int|WP_Post $post Post ID or post object where thumbnail should be attached. 7726 * @param int $thumbnail_id Thumbnail to attach. 7727 * @return int|bool True on success, false on failure. 7728 */ 7729 function set_post_thumbnail( $post, $thumbnail_id ) { 7730 $post = get_post( $post ); 7731 $thumbnail_id = absint( $thumbnail_id ); 7732 if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) { 7733 if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) ) { 7734 return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id ); 7735 } else { 7736 return delete_post_meta( $post->ID, '_thumbnail_id' ); 7737 } 7738 } 7739 return false; 7740 } 7741 7742 /** 7743 * Removes the thumbnail (featured image) from the given post. 7744 * 7745 * @since 3.3.0 7746 * 7747 * @param int|WP_Post $post Post ID or post object from which the thumbnail should be removed. 7748 * @return bool True on success, false on failure. 7749 */ 7750 function delete_post_thumbnail( $post ) { 7751 $post = get_post( $post ); 7752 if ( $post ) { 7753 return delete_post_meta( $post->ID, '_thumbnail_id' ); 7754 } 7755 return false; 7756 } 7757 7758 /** 7759 * Delete auto-drafts for new posts that are > 7 days old. 7760 * 7761 * @since 3.4.0 7762 * 7763 * @global wpdb $wpdb WordPress database abstraction object. 7764 */ 7765 function wp_delete_auto_drafts() { 7766 global $wpdb; 7767 7768 // Cleanup old auto-drafts more than 7 days old. 7769 $old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" ); 7770 foreach ( (array) $old_posts as $delete ) { 7771 // Force delete. 7772 wp_delete_post( $delete, true ); 7773 } 7774 } 7775 7776 /** 7777 * Queues posts for lazy-loading of term meta. 7778 * 7779 * @since 4.5.0 7780 * 7781 * @param array $posts Array of WP_Post objects. 7782 */ 7783 function wp_queue_posts_for_term_meta_lazyload( $posts ) { 7784 $post_type_taxonomies = array(); 7785 $term_ids = array(); 7786 foreach ( $posts as $post ) { 7787 if ( ! ( $post instanceof WP_Post ) ) { 7788 continue; 7789 } 7790 7791 if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) { 7792 $post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type ); 7793 } 7794 7795 foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) { 7796 // Term cache should already be primed by `update_post_term_cache()`. 7797 $terms = get_object_term_cache( $post->ID, $taxonomy ); 7798 if ( false !== $terms ) { 7799 foreach ( $terms as $term ) { 7800 if ( ! in_array( $term->term_id, $term_ids, true ) ) { 7801 $term_ids[] = $term->term_id; 7802 } 7803 } 7804 } 7805 } 7806 } 7807 7808 if ( $term_ids ) { 7809 $lazyloader = wp_metadata_lazyloader(); 7810 $lazyloader->queue_objects( 'term', $term_ids ); 7811 } 7812 } 7813 7814 /** 7815 * Update the custom taxonomies' term counts when a post's status is changed. 7816 * 7817 * For example, default posts term counts (for custom taxonomies) don't include 7818 * private / draft posts. 7819 * 7820 * @since 3.3.0 7821 * @access private 7822 * 7823 * @param string $new_status New post status. 7824 * @param string $old_status Old post status. 7825 * @param WP_Post $post Post object. 7826 */ 7827 function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) { 7828 // Update counts for the post's terms. 7829 foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) { 7830 $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) ); 7831 wp_update_term_count( $tt_ids, $taxonomy ); 7832 } 7833 } 7834 7835 /** 7836 * Adds any posts from the given IDs to the cache that do not already exist in cache. 7837 * 7838 * @since 3.4.0 7839 * @access private 7840 * 7841 * @see update_post_caches() 7842 * 7843 * @global wpdb $wpdb WordPress database abstraction object. 7844 * 7845 * @param array $ids ID list. 7846 * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. 7847 * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. 7848 */ 7849 function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) { 7850 global $wpdb; 7851 7852 $non_cached_ids = _get_non_cached_ids( $ids, 'posts' ); 7853 if ( ! empty( $non_cached_ids ) ) { 7854 $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) ); 7855 7856 update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache ); 7857 } 7858 } 7859 7860 /** 7861 * Adds a suffix if any trashed posts have a given slug. 7862 * 7863 * Store its desired (i.e. current) slug so it can try to reclaim it 7864 * if the post is untrashed. 7865 * 7866 * For internal use. 7867 * 7868 * @since 4.5.0 7869 * @access private 7870 * 7871 * @param string $post_name Post slug. 7872 * @param int $post_ID Optional. Post ID that should be ignored. Default 0. 7873 */ 7874 function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID = 0 ) { 7875 $trashed_posts_with_desired_slug = get_posts( 7876 array( 7877 'name' => $post_name, 7878 'post_status' => 'trash', 7879 'post_type' => 'any', 7880 'nopaging' => true, 7881 'post__not_in' => array( $post_ID ), 7882 ) 7883 ); 7884 7885 if ( ! empty( $trashed_posts_with_desired_slug ) ) { 7886 foreach ( $trashed_posts_with_desired_slug as $_post ) { 7887 wp_add_trashed_suffix_to_post_name_for_post( $_post ); 7888 } 7889 } 7890 } 7891 7892 /** 7893 * Adds a trashed suffix for a given post. 7894 * 7895 * Store its desired (i.e. current) slug so it can try to reclaim it 7896 * if the post is untrashed. 7897 * 7898 * For internal use. 7899 * 7900 * @since 4.5.0 7901 * @access private 7902 * 7903 * @param WP_Post $post The post. 7904 * @return string New slug for the post. 7905 */ 7906 function wp_add_trashed_suffix_to_post_name_for_post( $post ) { 7907 global $wpdb; 7908 7909 $post = get_post( $post ); 7910 7911 if ( '__trashed' === substr( $post->post_name, -9 ) ) { 7912 return $post->post_name; 7913 } 7914 add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name ); 7915 $post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed'; 7916 $wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) ); 7917 clean_post_cache( $post->ID ); 7918 return $post_name; 7919 } 7920 7921 /** 7922 * Filters the SQL clauses of an attachment query to include filenames. 7923 * 7924 * @since 4.7.0 7925 * @access private 7926 * 7927 * @global wpdb $wpdb WordPress database abstraction object. 7928 * 7929 * @param string[] $clauses An array including WHERE, GROUP BY, JOIN, ORDER BY, 7930 * DISTINCT, fields (SELECT), and LIMITS clauses. 7931 * @return string[] The modified array of clauses. 7932 */ 7933 function _filter_query_attachment_filenames( $clauses ) { 7934 global $wpdb; 7935 remove_filter( 'posts_clauses', __FUNCTION__ ); 7936 7937 // Add a LEFT JOIN of the postmeta table so we don't trample existing JOINs. 7938 $clauses['join'] .= " LEFT JOIN {$wpdb->postmeta} AS sq1 ON ( {$wpdb->posts}.ID = sq1.post_id AND sq1.meta_key = '_wp_attached_file' )"; 7939 7940 $clauses['groupby'] = "{$wpdb->posts}.ID"; 7941 7942 $clauses['where'] = preg_replace( 7943 "/\({$wpdb->posts}.post_content (NOT LIKE|LIKE) (\'[^']+\')\)/", 7944 '$0 OR ( sq1.meta_value $1 $2 )', 7945 $clauses['where'] 7946 ); 7947 7948 return $clauses; 7949 } 7950 7951 /** 7952 * Sets the last changed time for the 'posts' cache group. 7953 * 7954 * @since 5.0.0 7955 */ 7956 function wp_cache_set_posts_last_changed() { 7957 wp_cache_set( 'last_changed', microtime(), 'posts' ); 7958 } 7959 7960 /** 7961 * Get all available post MIME types for a given post type. 7962 * 7963 * @since 2.5.0 7964 * 7965 * @global wpdb $wpdb WordPress database abstraction object. 7966 * 7967 * @param string $type 7968 * @return mixed 7969 */ 7970 function get_available_post_mime_types( $type = 'attachment' ) { 7971 global $wpdb; 7972 7973 $types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type ) ); 7974 return $types; 7975 } 7976 7977 /** 7978 * Retrieves the path to an uploaded image file. 7979 * 7980 * Similar to `get_attached_file()` however some images may have been processed after uploading 7981 * to make them suitable for web use. In this case the attached "full" size file is usually replaced 7982 * with a scaled down version of the original image. This function always returns the path 7983 * to the originally uploaded image file. 7984 * 7985 * @since 5.3.0 7986 * @since 5.4.0 Added the `$unfiltered` parameter. 7987 * 7988 * @param int $attachment_id Attachment ID. 7989 * @param bool $unfiltered Optional. Passed through to `get_attached_file()`. Default false. 7990 * @return string|false Path to the original image file or false if the attachment is not an image. 7991 */ 7992 function wp_get_original_image_path( $attachment_id, $unfiltered = false ) { 7993 if ( ! wp_attachment_is_image( $attachment_id ) ) { 7994 return false; 7995 } 7996 7997 $image_meta = wp_get_attachment_metadata( $attachment_id ); 7998 $image_file = get_attached_file( $attachment_id, $unfiltered ); 7999 8000 if ( empty( $image_meta['original_image'] ) ) { 8001 $original_image = $image_file; 8002 } else { 8003 $original_image = path_join( dirname( $image_file ), $image_meta['original_image'] ); 8004 } 8005 8006 /** 8007 * Filters the path to the original image. 8008 * 8009 * @since 5.3.0 8010 * 8011 * @param string $original_image Path to original image file. 8012 * @param int $attachment_id Attachment ID. 8013 */ 8014 return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id ); 8015 } 8016 8017 /** 8018 * Retrieve the URL to an original attachment image. 8019 * 8020 * Similar to `wp_get_attachment_url()` however some images may have been 8021 * processed after uploading. In this case this function returns the URL 8022 * to the originally uploaded image file. 8023 * 8024 * @since 5.3.0 8025 * 8026 * @param int $attachment_id Attachment post ID. 8027 * @return string|false Attachment image URL, false on error or if the attachment is not an image. 8028 */ 8029 function wp_get_original_image_url( $attachment_id ) { 8030 if ( ! wp_attachment_is_image( $attachment_id ) ) { 8031 return false; 8032 } 8033 8034 $image_url = wp_get_attachment_url( $attachment_id ); 8035 8036 if ( ! $image_url ) { 8037 return false; 8038 } 8039 8040 $image_meta = wp_get_attachment_metadata( $attachment_id ); 8041 8042 if ( empty( $image_meta['original_image'] ) ) { 8043 $original_image_url = $image_url; 8044 } else { 8045 $original_image_url = path_join( dirname( $image_url ), $image_meta['original_image'] ); 8046 } 8047 8048 /** 8049 * Filters the URL to the original attachment image. 8050 * 8051 * @since 5.3.0 8052 * 8053 * @param string $original_image_url URL to original image. 8054 * @param int $attachment_id Attachment ID. 8055 */ 8056 return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id ); 8057 } 8058 8059 /** 8060 * Filter callback which sets the status of an untrashed post to its previous status. 8061 * 8062 * This can be used as a callback on the `wp_untrash_post_status` filter. 8063 * 8064 * @since 5.6.0 8065 * 8066 * @param string $new_status The new status of the post being restored. 8067 * @param int $post_id The ID of the post being restored. 8068 * @param string $previous_status The status of the post at the point where it was trashed. 8069 * @return string The new status of the post. 8070 */ 8071 function wp_untrash_post_set_previous_status( $new_status, $post_id, $previous_status ) { 8072 return $previous_status; 8073 }
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