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1 <?php 2 /** 3 * WordPress Post Administration API. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * Rename $_POST data from form names to DB post columns. 11 * 12 * Manipulates $_POST directly. 13 * 14 * @since 2.6.0 15 * 16 * @param bool $update Are we updating a pre-existing post? 17 * @param array $post_data Array of post data. Defaults to the contents of $_POST. 18 * @return array|WP_Error Array of post data on success, WP_Error on failure. 19 */ 20 function _wp_translate_postdata( $update = false, $post_data = null ) { 21 22 if ( empty( $post_data ) ) { 23 $post_data = &$_POST; 24 } 25 26 if ( $update ) { 27 $post_data['ID'] = (int) $post_data['post_ID']; 28 } 29 30 $ptype = get_post_type_object( $post_data['post_type'] ); 31 32 if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) { 33 if ( 'page' === $post_data['post_type'] ) { 34 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); 35 } else { 36 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); 37 } 38 } elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) { 39 if ( 'page' === $post_data['post_type'] ) { 40 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); 41 } else { 42 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); 43 } 44 } 45 46 if ( isset( $post_data['content'] ) ) { 47 $post_data['post_content'] = $post_data['content']; 48 } 49 50 if ( isset( $post_data['excerpt'] ) ) { 51 $post_data['post_excerpt'] = $post_data['excerpt']; 52 } 53 54 if ( isset( $post_data['parent_id'] ) ) { 55 $post_data['post_parent'] = (int) $post_data['parent_id']; 56 } 57 58 if ( isset( $post_data['trackback_url'] ) ) { 59 $post_data['to_ping'] = $post_data['trackback_url']; 60 } 61 62 $post_data['user_ID'] = get_current_user_id(); 63 64 if ( ! empty( $post_data['post_author_override'] ) ) { 65 $post_data['post_author'] = (int) $post_data['post_author_override']; 66 } else { 67 if ( ! empty( $post_data['post_author'] ) ) { 68 $post_data['post_author'] = (int) $post_data['post_author']; 69 } else { 70 $post_data['post_author'] = (int) $post_data['user_ID']; 71 } 72 } 73 74 if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] ) 75 && ! current_user_can( $ptype->cap->edit_others_posts ) ) { 76 77 if ( $update ) { 78 if ( 'page' === $post_data['post_type'] ) { 79 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); 80 } else { 81 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); 82 } 83 } else { 84 if ( 'page' === $post_data['post_type'] ) { 85 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); 86 } else { 87 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); 88 } 89 } 90 } 91 92 if ( ! empty( $post_data['post_status'] ) ) { 93 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 94 95 // No longer an auto-draft. 96 if ( 'auto-draft' === $post_data['post_status'] ) { 97 $post_data['post_status'] = 'draft'; 98 } 99 100 if ( ! get_post_status_object( $post_data['post_status'] ) ) { 101 unset( $post_data['post_status'] ); 102 } 103 } 104 105 // What to do based on which button they pressed. 106 if ( isset( $post_data['saveasdraft'] ) && '' !== $post_data['saveasdraft'] ) { 107 $post_data['post_status'] = 'draft'; 108 } 109 if ( isset( $post_data['saveasprivate'] ) && '' !== $post_data['saveasprivate'] ) { 110 $post_data['post_status'] = 'private'; 111 } 112 if ( isset( $post_data['publish'] ) && ( '' !== $post_data['publish'] ) 113 && ( ! isset( $post_data['post_status'] ) || 'private' !== $post_data['post_status'] ) 114 ) { 115 $post_data['post_status'] = 'publish'; 116 } 117 if ( isset( $post_data['advanced'] ) && '' !== $post_data['advanced'] ) { 118 $post_data['post_status'] = 'draft'; 119 } 120 if ( isset( $post_data['pending'] ) && '' !== $post_data['pending'] ) { 121 $post_data['post_status'] = 'pending'; 122 } 123 124 if ( isset( $post_data['ID'] ) ) { 125 $post_id = $post_data['ID']; 126 } else { 127 $post_id = false; 128 } 129 $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false; 130 131 if ( isset( $post_data['post_status'] ) && 'private' === $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) { 132 $post_data['post_status'] = $previous_status ? $previous_status : 'pending'; 133 } 134 135 $published_statuses = array( 'publish', 'future' ); 136 137 // Posts 'submitted for approval' are submitted to $_POST the same as if they were being published. 138 // Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts. 139 if ( isset( $post_data['post_status'] ) 140 && ( in_array( $post_data['post_status'], $published_statuses, true ) 141 && ! current_user_can( $ptype->cap->publish_posts ) ) 142 ) { 143 if ( ! in_array( $previous_status, $published_statuses, true ) || ! current_user_can( 'edit_post', $post_id ) ) { 144 $post_data['post_status'] = 'pending'; 145 } 146 } 147 148 if ( ! isset( $post_data['post_status'] ) ) { 149 $post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status; 150 } 151 152 if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) { 153 unset( $post_data['post_password'] ); 154 } 155 156 if ( ! isset( $post_data['comment_status'] ) ) { 157 $post_data['comment_status'] = 'closed'; 158 } 159 160 if ( ! isset( $post_data['ping_status'] ) ) { 161 $post_data['ping_status'] = 'closed'; 162 } 163 164 foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) { 165 if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] != $post_data[ $timeunit ] ) { 166 $post_data['edit_date'] = '1'; 167 break; 168 } 169 } 170 171 if ( ! empty( $post_data['edit_date'] ) ) { 172 $aa = $post_data['aa']; 173 $mm = $post_data['mm']; 174 $jj = $post_data['jj']; 175 $hh = $post_data['hh']; 176 $mn = $post_data['mn']; 177 $ss = $post_data['ss']; 178 $aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa; 179 $mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm; 180 $jj = ( $jj > 31 ) ? 31 : $jj; 181 $jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $jj; 182 $hh = ( $hh > 23 ) ? $hh - 24 : $hh; 183 $mn = ( $mn > 59 ) ? $mn - 60 : $mn; 184 $ss = ( $ss > 59 ) ? $ss - 60 : $ss; 185 $post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss ); 186 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] ); 187 if ( ! $valid_date ) { 188 return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); 189 } 190 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] ); 191 } 192 193 if ( isset( $post_data['post_category'] ) ) { 194 $category_object = get_taxonomy( 'category' ); 195 if ( ! current_user_can( $category_object->cap->assign_terms ) ) { 196 unset( $post_data['post_category'] ); 197 } 198 } 199 200 return $post_data; 201 } 202 203 /** 204 * Returns only allowed post data fields 205 * 206 * @since 5.0.1 207 * 208 * @param array $post_data Array of post data. Defaults to the contents of $_POST. 209 * @return array|WP_Error Array of post data on success, WP_Error on failure. 210 */ 211 function _wp_get_allowed_postdata( $post_data = null ) { 212 if ( empty( $post_data ) ) { 213 $post_data = $_POST; 214 } 215 216 // Pass through errors. 217 if ( is_wp_error( $post_data ) ) { 218 return $post_data; 219 } 220 221 return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) ); 222 } 223 224 /** 225 * Update an existing post with values provided in $_POST. 226 * 227 * @since 1.5.0 228 * 229 * @global wpdb $wpdb WordPress database abstraction object. 230 * 231 * @param array $post_data Optional. 232 * @return int Post ID. 233 */ 234 function edit_post( $post_data = null ) { 235 global $wpdb; 236 237 if ( empty( $post_data ) ) { 238 $post_data = &$_POST; 239 } 240 241 // Clear out any data in internal vars. 242 unset( $post_data['filter'] ); 243 244 $post_ID = (int) $post_data['post_ID']; 245 $post = get_post( $post_ID ); 246 $post_data['post_type'] = $post->post_type; 247 $post_data['post_mime_type'] = $post->post_mime_type; 248 249 if ( ! empty( $post_data['post_status'] ) ) { 250 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 251 252 if ( 'inherit' === $post_data['post_status'] ) { 253 unset( $post_data['post_status'] ); 254 } 255 } 256 257 $ptype = get_post_type_object( $post_data['post_type'] ); 258 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 259 if ( 'page' === $post_data['post_type'] ) { 260 wp_die( __( 'Sorry, you are not allowed to edit this page.' ) ); 261 } else { 262 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 263 } 264 } 265 266 if ( post_type_supports( $ptype->name, 'revisions' ) ) { 267 $revisions = wp_get_post_revisions( 268 $post_ID, 269 array( 270 'order' => 'ASC', 271 'posts_per_page' => 1, 272 ) 273 ); 274 $revision = current( $revisions ); 275 276 // Check if the revisions have been upgraded. 277 if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) { 278 _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) ); 279 } 280 } 281 282 if ( isset( $post_data['visibility'] ) ) { 283 switch ( $post_data['visibility'] ) { 284 case 'public': 285 $post_data['post_password'] = ''; 286 break; 287 case 'password': 288 unset( $post_data['sticky'] ); 289 break; 290 case 'private': 291 $post_data['post_status'] = 'private'; 292 $post_data['post_password'] = ''; 293 unset( $post_data['sticky'] ); 294 break; 295 } 296 } 297 298 $post_data = _wp_translate_postdata( true, $post_data ); 299 if ( is_wp_error( $post_data ) ) { 300 wp_die( $post_data->get_error_message() ); 301 } 302 $translated = _wp_get_allowed_postdata( $post_data ); 303 304 // Post formats. 305 if ( isset( $post_data['post_format'] ) ) { 306 set_post_format( $post_ID, $post_data['post_format'] ); 307 } 308 309 $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' ); 310 foreach ( $format_meta_urls as $format_meta_url ) { 311 $keyed = '_format_' . $format_meta_url; 312 if ( isset( $post_data[ $keyed ] ) ) { 313 update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) ); 314 } 315 } 316 317 $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' ); 318 319 foreach ( $format_keys as $key ) { 320 $keyed = '_format_' . $key; 321 if ( isset( $post_data[ $keyed ] ) ) { 322 if ( current_user_can( 'unfiltered_html' ) ) { 323 update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] ); 324 } else { 325 update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) ); 326 } 327 } 328 } 329 330 if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) { 331 $id3data = wp_get_attachment_metadata( $post_ID ); 332 if ( ! is_array( $id3data ) ) { 333 $id3data = array(); 334 } 335 336 foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) { 337 if ( isset( $post_data[ 'id3_' . $key ] ) ) { 338 $id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) ); 339 } 340 } 341 wp_update_attachment_metadata( $post_ID, $id3data ); 342 } 343 344 // Meta stuff. 345 if ( isset( $post_data['meta'] ) && $post_data['meta'] ) { 346 foreach ( $post_data['meta'] as $key => $value ) { 347 $meta = get_post_meta_by_id( $key ); 348 if ( ! $meta ) { 349 continue; 350 } 351 if ( $meta->post_id != $post_ID ) { 352 continue; 353 } 354 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) ) { 355 continue; 356 } 357 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) { 358 continue; 359 } 360 update_meta( $key, $value['key'], $value['value'] ); 361 } 362 } 363 364 if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) { 365 foreach ( $post_data['deletemeta'] as $key => $value ) { 366 $meta = get_post_meta_by_id( $key ); 367 if ( ! $meta ) { 368 continue; 369 } 370 if ( $meta->post_id != $post_ID ) { 371 continue; 372 } 373 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) { 374 continue; 375 } 376 delete_meta( $key ); 377 } 378 } 379 380 // Attachment stuff. 381 if ( 'attachment' === $post_data['post_type'] ) { 382 if ( isset( $post_data['_wp_attachment_image_alt'] ) ) { 383 $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] ); 384 385 if ( get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) !== $image_alt ) { 386 $image_alt = wp_strip_all_tags( $image_alt, true ); 387 388 // update_post_meta() expects slashed. 389 update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); 390 } 391 } 392 393 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array(); 394 395 /** This filter is documented in wp-admin/includes/media.php */ 396 $translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data ); 397 } 398 399 // Convert taxonomy input to term IDs, to avoid ambiguity. 400 if ( isset( $post_data['tax_input'] ) ) { 401 foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) { 402 $tax_object = get_taxonomy( $taxonomy ); 403 404 if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) { 405 $translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) ); 406 } 407 } 408 } 409 410 add_meta( $post_ID ); 411 412 update_post_meta( $post_ID, '_edit_last', get_current_user_id() ); 413 414 $success = wp_update_post( $translated ); 415 416 // If the save failed, see if we can sanity check the main fields and try again. 417 if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) { 418 $fields = array( 'post_title', 'post_content', 'post_excerpt' ); 419 420 foreach ( $fields as $field ) { 421 if ( isset( $translated[ $field ] ) ) { 422 $translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] ); 423 } 424 } 425 426 wp_update_post( $translated ); 427 } 428 429 // Now that we have an ID we can fix any attachment anchor hrefs. 430 _fix_attachment_links( $post_ID ); 431 432 wp_set_post_lock( $post_ID ); 433 434 if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) { 435 if ( ! empty( $post_data['sticky'] ) ) { 436 stick_post( $post_ID ); 437 } else { 438 unstick_post( $post_ID ); 439 } 440 } 441 442 return $post_ID; 443 } 444 445 /** 446 * Process the post data for the bulk editing of posts. 447 * 448 * Updates all bulk edited posts/pages, adding (but not removing) tags and 449 * categories. Skips pages when they would be their own parent or child. 450 * 451 * @since 2.7.0 452 * 453 * @global wpdb $wpdb WordPress database abstraction object. 454 * 455 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal. 456 * @return array 457 */ 458 function bulk_edit_posts( $post_data = null ) { 459 global $wpdb; 460 461 if ( empty( $post_data ) ) { 462 $post_data = &$_POST; 463 } 464 465 if ( isset( $post_data['post_type'] ) ) { 466 $ptype = get_post_type_object( $post_data['post_type'] ); 467 } else { 468 $ptype = get_post_type_object( 'post' ); 469 } 470 471 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 472 if ( 'page' === $ptype->name ) { 473 wp_die( __( 'Sorry, you are not allowed to edit pages.' ) ); 474 } else { 475 wp_die( __( 'Sorry, you are not allowed to edit posts.' ) ); 476 } 477 } 478 479 if ( -1 == $post_data['_status'] ) { 480 $post_data['post_status'] = null; 481 unset( $post_data['post_status'] ); 482 } else { 483 $post_data['post_status'] = $post_data['_status']; 484 } 485 unset( $post_data['_status'] ); 486 487 if ( ! empty( $post_data['post_status'] ) ) { 488 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 489 490 if ( 'inherit' === $post_data['post_status'] ) { 491 unset( $post_data['post_status'] ); 492 } 493 } 494 495 $post_IDs = array_map( 'intval', (array) $post_data['post'] ); 496 497 $reset = array( 498 'post_author', 499 'post_status', 500 'post_password', 501 'post_parent', 502 'page_template', 503 'comment_status', 504 'ping_status', 505 'keep_private', 506 'tax_input', 507 'post_category', 508 'sticky', 509 'post_format', 510 ); 511 512 foreach ( $reset as $field ) { 513 if ( isset( $post_data[ $field ] ) && ( '' === $post_data[ $field ] || -1 == $post_data[ $field ] ) ) { 514 unset( $post_data[ $field ] ); 515 } 516 } 517 518 if ( isset( $post_data['post_category'] ) ) { 519 if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) { 520 $new_cats = array_map( 'absint', $post_data['post_category'] ); 521 } else { 522 unset( $post_data['post_category'] ); 523 } 524 } 525 526 $tax_input = array(); 527 if ( isset( $post_data['tax_input'] ) ) { 528 foreach ( $post_data['tax_input'] as $tax_name => $terms ) { 529 if ( empty( $terms ) ) { 530 continue; 531 } 532 if ( is_taxonomy_hierarchical( $tax_name ) ) { 533 $tax_input[ $tax_name ] = array_map( 'absint', $terms ); 534 } else { 535 $comma = _x( ',', 'tag delimiter' ); 536 if ( ',' !== $comma ) { 537 $terms = str_replace( $comma, ',', $terms ); 538 } 539 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 540 } 541 } 542 } 543 544 if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) { 545 $parent = (int) $post_data['post_parent']; 546 $pages = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" ); 547 $children = array(); 548 549 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) { 550 $children[] = $parent; 551 552 foreach ( $pages as $page ) { 553 if ( (int) $page->ID === $parent ) { 554 $parent = (int) $page->post_parent; 555 break; 556 } 557 } 558 } 559 } 560 561 $updated = array(); 562 $skipped = array(); 563 $locked = array(); 564 $shared_post_data = $post_data; 565 566 foreach ( $post_IDs as $post_ID ) { 567 // Start with fresh post data with each iteration. 568 $post_data = $shared_post_data; 569 570 $post_type_object = get_post_type_object( get_post_type( $post_ID ) ); 571 572 if ( ! isset( $post_type_object ) 573 || ( isset( $children ) && in_array( $post_ID, $children, true ) ) 574 || ! current_user_can( 'edit_post', $post_ID ) 575 ) { 576 $skipped[] = $post_ID; 577 continue; 578 } 579 580 if ( wp_check_post_lock( $post_ID ) ) { 581 $locked[] = $post_ID; 582 continue; 583 } 584 585 $post = get_post( $post_ID ); 586 $tax_names = get_object_taxonomies( $post ); 587 foreach ( $tax_names as $tax_name ) { 588 $taxonomy_obj = get_taxonomy( $tax_name ); 589 if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) { 590 $new_terms = $tax_input[ $tax_name ]; 591 } else { 592 $new_terms = array(); 593 } 594 595 if ( $taxonomy_obj->hierarchical ) { 596 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'ids' ) ); 597 } else { 598 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'names' ) ); 599 } 600 601 $post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms ); 602 } 603 604 if ( isset( $new_cats ) && in_array( 'category', $tax_names, true ) ) { 605 $cats = (array) wp_get_post_categories( $post_ID ); 606 $post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) ); 607 unset( $post_data['tax_input']['category'] ); 608 } 609 610 $post_data['post_ID'] = $post_ID; 611 $post_data['post_type'] = $post->post_type; 612 $post_data['post_mime_type'] = $post->post_mime_type; 613 614 foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) { 615 if ( ! isset( $post_data[ $field ] ) ) { 616 $post_data[ $field ] = $post->$field; 617 } 618 } 619 620 $post_data = _wp_translate_postdata( true, $post_data ); 621 if ( is_wp_error( $post_data ) ) { 622 $skipped[] = $post_ID; 623 continue; 624 } 625 $post_data = _wp_get_allowed_postdata( $post_data ); 626 627 if ( isset( $shared_post_data['post_format'] ) ) { 628 set_post_format( $post_ID, $shared_post_data['post_format'] ); 629 } 630 631 // Prevent wp_insert_post() from overwriting post format with the old data. 632 unset( $post_data['tax_input']['post_format'] ); 633 634 $updated[] = wp_update_post( $post_data ); 635 636 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) { 637 if ( 'sticky' === $post_data['sticky'] ) { 638 stick_post( $post_ID ); 639 } else { 640 unstick_post( $post_ID ); 641 } 642 } 643 } 644 645 return array( 646 'updated' => $updated, 647 'skipped' => $skipped, 648 'locked' => $locked, 649 ); 650 } 651 652 /** 653 * Default post information to use when populating the "Write Post" form. 654 * 655 * @since 2.0.0 656 * 657 * @param string $post_type Optional. A post type string. Default 'post'. 658 * @param bool $create_in_db Optional. Whether to insert the post into database. Default false. 659 * @return WP_Post Post object containing all the default post data as attributes 660 */ 661 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) { 662 $post_title = ''; 663 if ( ! empty( $_REQUEST['post_title'] ) ) { 664 $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) ); 665 } 666 667 $post_content = ''; 668 if ( ! empty( $_REQUEST['content'] ) ) { 669 $post_content = esc_html( wp_unslash( $_REQUEST['content'] ) ); 670 } 671 672 $post_excerpt = ''; 673 if ( ! empty( $_REQUEST['excerpt'] ) ) { 674 $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) ); 675 } 676 677 if ( $create_in_db ) { 678 $post_id = wp_insert_post( 679 array( 680 'post_title' => __( 'Auto Draft' ), 681 'post_type' => $post_type, 682 'post_status' => 'auto-draft', 683 ) 684 ); 685 $post = get_post( $post_id ); 686 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) { 687 set_post_format( $post, get_option( 'default_post_format' ) ); 688 } 689 690 // Schedule auto-draft cleanup. 691 if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) { 692 wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' ); 693 } 694 } else { 695 $post = new stdClass; 696 $post->ID = 0; 697 $post->post_author = ''; 698 $post->post_date = ''; 699 $post->post_date_gmt = ''; 700 $post->post_password = ''; 701 $post->post_name = ''; 702 $post->post_type = $post_type; 703 $post->post_status = 'draft'; 704 $post->to_ping = ''; 705 $post->pinged = ''; 706 $post->comment_status = get_default_comment_status( $post_type ); 707 $post->ping_status = get_default_comment_status( $post_type, 'pingback' ); 708 $post->post_pingback = get_option( 'default_pingback_flag' ); 709 $post->post_category = get_option( 'default_category' ); 710 $post->page_template = 'default'; 711 $post->post_parent = 0; 712 $post->menu_order = 0; 713 $post = new WP_Post( $post ); 714 } 715 716 /** 717 * Filters the default post content initially used in the "Write Post" form. 718 * 719 * @since 1.5.0 720 * 721 * @param string $post_content Default post content. 722 * @param WP_Post $post Post object. 723 */ 724 $post->post_content = (string) apply_filters( 'default_content', $post_content, $post ); 725 726 /** 727 * Filters the default post title initially used in the "Write Post" form. 728 * 729 * @since 1.5.0 730 * 731 * @param string $post_title Default post title. 732 * @param WP_Post $post Post object. 733 */ 734 $post->post_title = (string) apply_filters( 'default_title', $post_title, $post ); 735 736 /** 737 * Filters the default post excerpt initially used in the "Write Post" form. 738 * 739 * @since 1.5.0 740 * 741 * @param string $post_excerpt Default post excerpt. 742 * @param WP_Post $post Post object. 743 */ 744 $post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post ); 745 746 return $post; 747 } 748 749 /** 750 * Determines if a post exists based on title, content, date and type. 751 * 752 * @since 2.0.0 753 * @since 5.2.0 Added the `$type` parameter. 754 * 755 * @global wpdb $wpdb WordPress database abstraction object. 756 * 757 * @param string $title Post title. 758 * @param string $content Optional post content. 759 * @param string $date Optional post date. 760 * @param string $type Optional post type. 761 * @return int Post ID if post exists, 0 otherwise. 762 */ 763 function post_exists( $title, $content = '', $date = '', $type = '' ) { 764 global $wpdb; 765 766 $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) ); 767 $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) ); 768 $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) ); 769 $post_type = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) ); 770 771 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1"; 772 $args = array(); 773 774 if ( ! empty( $date ) ) { 775 $query .= ' AND post_date = %s'; 776 $args[] = $post_date; 777 } 778 779 if ( ! empty( $title ) ) { 780 $query .= ' AND post_title = %s'; 781 $args[] = $post_title; 782 } 783 784 if ( ! empty( $content ) ) { 785 $query .= ' AND post_content = %s'; 786 $args[] = $post_content; 787 } 788 789 if ( ! empty( $type ) ) { 790 $query .= ' AND post_type = %s'; 791 $args[] = $post_type; 792 } 793 794 if ( ! empty( $args ) ) { 795 return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) ); 796 } 797 798 return 0; 799 } 800 801 /** 802 * Creates a new post from the "Write Post" form using $_POST information. 803 * 804 * @since 2.1.0 805 * 806 * @global WP_User $current_user 807 * 808 * @return int|WP_Error 809 */ 810 function wp_write_post() { 811 if ( isset( $_POST['post_type'] ) ) { 812 $ptype = get_post_type_object( $_POST['post_type'] ); 813 } else { 814 $ptype = get_post_type_object( 'post' ); 815 } 816 817 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 818 if ( 'page' === $ptype->name ) { 819 return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) ); 820 } else { 821 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) ); 822 } 823 } 824 825 $_POST['post_mime_type'] = ''; 826 827 // Clear out any data in internal vars. 828 unset( $_POST['filter'] ); 829 830 // Edit, don't write, if we have a post ID. 831 if ( isset( $_POST['post_ID'] ) ) { 832 return edit_post(); 833 } 834 835 if ( isset( $_POST['visibility'] ) ) { 836 switch ( $_POST['visibility'] ) { 837 case 'public': 838 $_POST['post_password'] = ''; 839 break; 840 case 'password': 841 unset( $_POST['sticky'] ); 842 break; 843 case 'private': 844 $_POST['post_status'] = 'private'; 845 $_POST['post_password'] = ''; 846 unset( $_POST['sticky'] ); 847 break; 848 } 849 } 850 851 $translated = _wp_translate_postdata( false ); 852 if ( is_wp_error( $translated ) ) { 853 return $translated; 854 } 855 $translated = _wp_get_allowed_postdata( $translated ); 856 857 // Create the post. 858 $post_ID = wp_insert_post( $translated ); 859 if ( is_wp_error( $post_ID ) ) { 860 return $post_ID; 861 } 862 863 if ( empty( $post_ID ) ) { 864 return 0; 865 } 866 867 add_meta( $post_ID ); 868 869 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID ); 870 871 // Now that we have an ID we can fix any attachment anchor hrefs. 872 _fix_attachment_links( $post_ID ); 873 874 wp_set_post_lock( $post_ID ); 875 876 return $post_ID; 877 } 878 879 /** 880 * Calls wp_write_post() and handles the errors. 881 * 882 * @since 2.0.0 883 * 884 * @return int|null 885 */ 886 function write_post() { 887 $result = wp_write_post(); 888 if ( is_wp_error( $result ) ) { 889 wp_die( $result->get_error_message() ); 890 } else { 891 return $result; 892 } 893 } 894 895 // 896 // Post Meta. 897 // 898 899 /** 900 * Add post meta data defined in $_POST superglobal for post with given ID. 901 * 902 * @since 1.2.0 903 * 904 * @param int $post_ID 905 * @return int|bool 906 */ 907 function add_meta( $post_ID ) { 908 $post_ID = (int) $post_ID; 909 910 $metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : ''; 911 $metakeyinput = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : ''; 912 $metavalue = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : ''; 913 if ( is_string( $metavalue ) ) { 914 $metavalue = trim( $metavalue ); 915 } 916 917 if ( ( ( '#NONE#' !== $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) { 918 /* 919 * We have a key/value pair. If both the select and the input 920 * for the key have data, the input takes precedence. 921 */ 922 if ( '#NONE#' !== $metakeyselect ) { 923 $metakey = $metakeyselect; 924 } 925 926 if ( $metakeyinput ) { 927 $metakey = $metakeyinput; // Default. 928 } 929 930 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) { 931 return false; 932 } 933 934 $metakey = wp_slash( $metakey ); 935 936 return add_post_meta( $post_ID, $metakey, $metavalue ); 937 } 938 939 return false; 940 } 941 942 /** 943 * Delete post meta data by meta ID. 944 * 945 * @since 1.2.0 946 * 947 * @param int $mid 948 * @return bool 949 */ 950 function delete_meta( $mid ) { 951 return delete_metadata_by_mid( 'post', $mid ); 952 } 953 954 /** 955 * Get a list of previously defined keys. 956 * 957 * @since 1.2.0 958 * 959 * @global wpdb $wpdb WordPress database abstraction object. 960 * 961 * @return mixed 962 */ 963 function get_meta_keys() { 964 global $wpdb; 965 966 $keys = $wpdb->get_col( 967 " 968 SELECT meta_key 969 FROM $wpdb->postmeta 970 GROUP BY meta_key 971 ORDER BY meta_key" 972 ); 973 974 return $keys; 975 } 976 977 /** 978 * Get post meta data by meta ID. 979 * 980 * @since 2.1.0 981 * 982 * @param int $mid 983 * @return object|bool 984 */ 985 function get_post_meta_by_id( $mid ) { 986 return get_metadata_by_mid( 'post', $mid ); 987 } 988 989 /** 990 * Get meta data for the given post ID. 991 * 992 * @since 1.2.0 993 * 994 * @global wpdb $wpdb WordPress database abstraction object. 995 * 996 * @param int $postid 997 * @return mixed 998 */ 999 function has_meta( $postid ) { 1000 global $wpdb; 1001 1002 return $wpdb->get_results( 1003 $wpdb->prepare( 1004 "SELECT meta_key, meta_value, meta_id, post_id 1005 FROM $wpdb->postmeta WHERE post_id = %d 1006 ORDER BY meta_key,meta_id", 1007 $postid 1008 ), 1009 ARRAY_A 1010 ); 1011 } 1012 1013 /** 1014 * Update post meta data by meta ID. 1015 * 1016 * @since 1.2.0 1017 * 1018 * @param int $meta_id 1019 * @param string $meta_key Expect Slashed 1020 * @param string $meta_value Expect Slashed 1021 * @return bool 1022 */ 1023 function update_meta( $meta_id, $meta_key, $meta_value ) { 1024 $meta_key = wp_unslash( $meta_key ); 1025 $meta_value = wp_unslash( $meta_value ); 1026 1027 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key ); 1028 } 1029 1030 // 1031 // Private. 1032 // 1033 1034 /** 1035 * Replace hrefs of attachment anchors with up-to-date permalinks. 1036 * 1037 * @since 2.3.0 1038 * @access private 1039 * 1040 * @param int|object $post Post ID or post object. 1041 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success. 1042 */ 1043 function _fix_attachment_links( $post ) { 1044 $post = get_post( $post, ARRAY_A ); 1045 $content = $post['post_content']; 1046 1047 // Don't run if no pretty permalinks or post is not published, scheduled, or privately published. 1048 if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ), true ) ) { 1049 return; 1050 } 1051 1052 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero). 1053 if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) { 1054 return; 1055 } 1056 1057 $site_url = get_bloginfo( 'url' ); 1058 $site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // Remove the http(s). 1059 $replace = ''; 1060 1061 foreach ( $link_matches[1] as $key => $value ) { 1062 if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' ) 1063 || ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match ) 1064 || ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) { 1065 continue; 1066 } 1067 1068 $quote = $url_match[1]; // The quote (single or double). 1069 $url_id = (int) $url_match[2]; 1070 $rel_id = (int) $rel_match[1]; 1071 1072 if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) { 1073 continue; 1074 } 1075 1076 $link = $link_matches[0][ $key ]; 1077 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); 1078 1079 $content = str_replace( $link, $replace, $content ); 1080 } 1081 1082 if ( $replace ) { 1083 $post['post_content'] = $content; 1084 // Escape data pulled from DB. 1085 $post = add_magic_quotes( $post ); 1086 1087 return wp_update_post( $post ); 1088 } 1089 } 1090 1091 /** 1092 * Get all the possible statuses for a post_type 1093 * 1094 * @since 2.5.0 1095 * 1096 * @param string $type The post_type you want the statuses for. Default 'post'. 1097 * @return string[] An array of all the statuses for the supplied post type. 1098 */ 1099 function get_available_post_statuses( $type = 'post' ) { 1100 $stati = wp_count_posts( $type ); 1101 1102 return array_keys( get_object_vars( $stati ) ); 1103 } 1104 1105 /** 1106 * Run the wp query to fetch the posts for listing on the edit posts page 1107 * 1108 * @since 2.5.0 1109 * 1110 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal. 1111 * @return array 1112 */ 1113 function wp_edit_posts_query( $q = false ) { 1114 if ( false === $q ) { 1115 $q = $_GET; 1116 } 1117 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1118 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1119 $post_stati = get_post_stati(); 1120 1121 if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types(), true ) ) { 1122 $post_type = $q['post_type']; 1123 } else { 1124 $post_type = 'post'; 1125 } 1126 1127 $avail_post_stati = get_available_post_statuses( $post_type ); 1128 $post_status = ''; 1129 $perm = ''; 1130 1131 if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati, true ) ) { 1132 $post_status = $q['post_status']; 1133 $perm = 'readable'; 1134 } 1135 1136 $orderby = ''; 1137 1138 if ( isset( $q['orderby'] ) ) { 1139 $orderby = $q['orderby']; 1140 } elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ), true ) ) { 1141 $orderby = 'modified'; 1142 } 1143 1144 $order = ''; 1145 1146 if ( isset( $q['order'] ) ) { 1147 $order = $q['order']; 1148 } elseif ( isset( $q['post_status'] ) && 'pending' === $q['post_status'] ) { 1149 $order = 'ASC'; 1150 } 1151 1152 $per_page = "edit_{$post_type}_per_page"; 1153 $posts_per_page = (int) get_user_option( $per_page ); 1154 if ( empty( $posts_per_page ) || $posts_per_page < 1 ) { 1155 $posts_per_page = 20; 1156 } 1157 1158 /** 1159 * Filters the number of items per page to show for a specific 'per_page' type. 1160 * 1161 * The dynamic portion of the hook name, `$post_type`, refers to the post type. 1162 * 1163 * Some examples of filter hooks generated here include: 'edit_attachment_per_page', 1164 * 'edit_post_per_page', 'edit_page_per_page', etc. 1165 * 1166 * @since 3.0.0 1167 * 1168 * @param int $posts_per_page Number of posts to display per page for the given post 1169 * type. Default 20. 1170 */ 1171 $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page ); 1172 1173 /** 1174 * Filters the number of posts displayed per page when specifically listing "posts". 1175 * 1176 * @since 2.8.0 1177 * 1178 * @param int $posts_per_page Number of posts to be displayed. Default 20. 1179 * @param string $post_type The post type. 1180 */ 1181 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type ); 1182 1183 $query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' ); 1184 1185 // Hierarchical types require special args. 1186 if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) { 1187 $query['orderby'] = 'menu_order title'; 1188 $query['order'] = 'asc'; 1189 $query['posts_per_page'] = -1; 1190 $query['posts_per_archive_page'] = -1; 1191 $query['fields'] = 'id=>parent'; 1192 } 1193 1194 if ( ! empty( $q['show_sticky'] ) ) { 1195 $query['post__in'] = (array) get_option( 'sticky_posts' ); 1196 } 1197 1198 wp( $query ); 1199 1200 return $avail_post_stati; 1201 } 1202 1203 /** 1204 * Get the query variables for the current attachments request. 1205 * 1206 * @since 4.2.0 1207 * 1208 * @param array|false $q Optional. Array of query variables to use to build the query or false 1209 * to use $_GET superglobal. Default false. 1210 * @return array The parsed query vars. 1211 */ 1212 function wp_edit_attachments_query_vars( $q = false ) { 1213 if ( false === $q ) { 1214 $q = $_GET; 1215 } 1216 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1217 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1218 $q['post_type'] = 'attachment'; 1219 $post_type = get_post_type_object( 'attachment' ); 1220 $states = 'inherit'; 1221 if ( current_user_can( $post_type->cap->read_private_posts ) ) { 1222 $states .= ',private'; 1223 } 1224 1225 $q['post_status'] = isset( $q['status'] ) && 'trash' === $q['status'] ? 'trash' : $states; 1226 $q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' === $q['attachment-filter'] ? 'trash' : $states; 1227 1228 $media_per_page = (int) get_user_option( 'upload_per_page' ); 1229 if ( empty( $media_per_page ) || $media_per_page < 1 ) { 1230 $media_per_page = 20; 1231 } 1232 1233 /** 1234 * Filters the number of items to list per page when listing media items. 1235 * 1236 * @since 2.9.0 1237 * 1238 * @param int $media_per_page Number of media to list. Default 20. 1239 */ 1240 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page ); 1241 1242 $post_mime_types = get_post_mime_types(); 1243 if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) { 1244 unset( $q['post_mime_type'] ); 1245 } 1246 1247 foreach ( array_keys( $post_mime_types ) as $type ) { 1248 if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" === $q['attachment-filter'] ) { 1249 $q['post_mime_type'] = $type; 1250 break; 1251 } 1252 } 1253 1254 if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' === $q['attachment-filter'] ) ) { 1255 $q['post_parent'] = 0; 1256 } 1257 1258 if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' === $q['attachment-filter'] ) ) { 1259 $q['author'] = get_current_user_id(); 1260 } 1261 1262 // Filter query clauses to include filenames. 1263 if ( isset( $q['s'] ) ) { 1264 add_filter( 'posts_clauses', '_filter_query_attachment_filenames' ); 1265 } 1266 1267 return $q; 1268 } 1269 1270 /** 1271 * Executes a query for attachments. An array of WP_Query arguments 1272 * can be passed in, which will override the arguments set by this function. 1273 * 1274 * @since 2.5.0 1275 * 1276 * @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal. 1277 * @return array 1278 */ 1279 function wp_edit_attachments_query( $q = false ) { 1280 wp( wp_edit_attachments_query_vars( $q ) ); 1281 1282 $post_mime_types = get_post_mime_types(); 1283 $avail_post_mime_types = get_available_post_mime_types( 'attachment' ); 1284 1285 return array( $post_mime_types, $avail_post_mime_types ); 1286 } 1287 1288 /** 1289 * Returns the list of classes to be used by a meta box. 1290 * 1291 * @since 2.5.0 1292 * 1293 * @param string $box_id Meta box ID (used in the 'id' attribute for the meta box). 1294 * @param string $screen_id The screen on which the meta box is shown. 1295 * @return string Space-separated string of class names. 1296 */ 1297 function postbox_classes( $box_id, $screen_id ) { 1298 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) { 1299 $classes = array( '' ); 1300 } elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) { 1301 $closed = get_user_option( 'closedpostboxes_' . $screen_id ); 1302 if ( ! is_array( $closed ) ) { 1303 $classes = array( '' ); 1304 } else { 1305 $classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' ); 1306 } 1307 } else { 1308 $classes = array( '' ); 1309 } 1310 1311 /** 1312 * Filters the postbox classes for a specific screen and box ID combo. 1313 * 1314 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to 1315 * the screen ID and meta box ID, respectively. 1316 * 1317 * @since 3.2.0 1318 * 1319 * @param string[] $classes An array of postbox classes. 1320 */ 1321 $classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes ); 1322 return implode( ' ', $classes ); 1323 } 1324 1325 /** 1326 * Get a sample permalink based off of the post name. 1327 * 1328 * @since 2.5.0 1329 * 1330 * @param int $id Post ID or post object. 1331 * @param string $title Optional. Title to override the post's current title when generating the post name. Default null. 1332 * @param string $name Optional. Name to override the post name. Default null. 1333 * @return array { 1334 * Array containing the sample permalink with placeholder for the post name, and the post name. 1335 * 1336 * @type string $0 The permalink with placeholder for the post name. 1337 * @type string $1 The post name. 1338 * } 1339 */ 1340 function get_sample_permalink( $id, $title = null, $name = null ) { 1341 $post = get_post( $id ); 1342 if ( ! $post ) { 1343 return array( '', '' ); 1344 } 1345 1346 $ptype = get_post_type_object( $post->post_type ); 1347 1348 $original_status = $post->post_status; 1349 $original_date = $post->post_date; 1350 $original_name = $post->post_name; 1351 1352 // Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published. 1353 if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ), true ) ) { 1354 $post->post_status = 'publish'; 1355 $post->post_name = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID ); 1356 } 1357 1358 // If the user wants to set a new name -- override the current one. 1359 // Note: if empty name is supplied -- use the title instead, see #6072. 1360 if ( ! is_null( $name ) ) { 1361 $post->post_name = sanitize_title( $name ? $name : $title, $post->ID ); 1362 } 1363 1364 $post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent ); 1365 1366 $post->filter = 'sample'; 1367 1368 $permalink = get_permalink( $post, true ); 1369 1370 // Replace custom post_type token with generic pagename token for ease of use. 1371 $permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink ); 1372 1373 // Handle page hierarchy. 1374 if ( $ptype->hierarchical ) { 1375 $uri = get_page_uri( $post ); 1376 if ( $uri ) { 1377 $uri = untrailingslashit( $uri ); 1378 $uri = strrev( stristr( strrev( $uri ), '/' ) ); 1379 $uri = untrailingslashit( $uri ); 1380 } 1381 1382 /** This filter is documented in wp-admin/edit-tag-form.php */ 1383 $uri = apply_filters( 'editable_slug', $uri, $post ); 1384 if ( ! empty( $uri ) ) { 1385 $uri .= '/'; 1386 } 1387 $permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink ); 1388 } 1389 1390 /** This filter is documented in wp-admin/edit-tag-form.php */ 1391 $permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) ); 1392 $post->post_status = $original_status; 1393 $post->post_date = $original_date; 1394 $post->post_name = $original_name; 1395 unset( $post->filter ); 1396 1397 /** 1398 * Filters the sample permalink. 1399 * 1400 * @since 4.4.0 1401 * 1402 * @param array $permalink { 1403 * Array containing the sample permalink with placeholder for the post name, and the post name. 1404 * 1405 * @type string $0 The permalink with placeholder for the post name. 1406 * @type string $1 The post name. 1407 * } 1408 * @param int $post_id Post ID. 1409 * @param string $title Post title. 1410 * @param string $name Post name (slug). 1411 * @param WP_Post $post Post object. 1412 */ 1413 return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post ); 1414 } 1415 1416 /** 1417 * Returns the HTML of the sample permalink slug editor. 1418 * 1419 * @since 2.5.0 1420 * 1421 * @param int $id Post ID or post object. 1422 * @param string $new_title Optional. New title. Default null. 1423 * @param string $new_slug Optional. New slug. Default null. 1424 * @return string The HTML of the sample permalink slug editor. 1425 */ 1426 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) { 1427 $post = get_post( $id ); 1428 if ( ! $post ) { 1429 return ''; 1430 } 1431 1432 list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug ); 1433 1434 $view_link = false; 1435 $preview_target = ''; 1436 1437 if ( current_user_can( 'read_post', $post->ID ) ) { 1438 if ( 'draft' === $post->post_status || empty( $post->post_name ) ) { 1439 $view_link = get_preview_post_link( $post ); 1440 $preview_target = " target='wp-preview-{$post->ID}'"; 1441 } else { 1442 if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) { 1443 $view_link = get_permalink( $post ); 1444 } else { 1445 // Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set. 1446 $view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink ); 1447 } 1448 } 1449 } 1450 1451 // Permalinks without a post/page name placeholder don't have anything to edit. 1452 if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) { 1453 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1454 1455 if ( false !== $view_link ) { 1456 $display_link = urldecode( $view_link ); 1457 $return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n"; 1458 } else { 1459 $return .= '<span id="sample-permalink">' . $permalink . "</span>\n"; 1460 } 1461 1462 // Encourage a pretty permalink setting. 1463 if ( ! get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) 1464 && ! ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' ) == $id ) 1465 ) { 1466 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __( 'Change Permalinks' ) . "</a></span>\n"; 1467 } 1468 } else { 1469 if ( mb_strlen( $post_name ) > 34 ) { 1470 $post_name_abridged = mb_substr( $post_name, 0, 16 ) . '…' . mb_substr( $post_name, -16 ); 1471 } else { 1472 $post_name_abridged = $post_name; 1473 } 1474 1475 $post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>'; 1476 $display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) ); 1477 1478 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1479 $return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n"; 1480 $return .= '‎'; // Fix bi-directional text display defect in RTL languages. 1481 $return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n"; 1482 $return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n"; 1483 } 1484 1485 /** 1486 * Filters the sample permalink HTML markup. 1487 * 1488 * @since 2.9.0 1489 * @since 4.4.0 Added `$post` parameter. 1490 * 1491 * @param string $return Sample permalink HTML markup. 1492 * @param int $post_id Post ID. 1493 * @param string $new_title New sample permalink title. 1494 * @param string $new_slug New sample permalink slug. 1495 * @param WP_Post $post Post object. 1496 */ 1497 $return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post ); 1498 1499 return $return; 1500 } 1501 1502 /** 1503 * Output HTML for the post thumbnail meta-box. 1504 * 1505 * @since 2.9.0 1506 * 1507 * @param int $thumbnail_id ID of the attachment used for thumbnail 1508 * @param int|WP_Post $post Optional. The post ID or object associated with the thumbnail, defaults to global $post. 1509 * @return string html 1510 */ 1511 function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) { 1512 $_wp_additional_image_sizes = wp_get_additional_image_sizes(); 1513 1514 $post = get_post( $post ); 1515 $post_type_object = get_post_type_object( $post->post_type ); 1516 $set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>'; 1517 $upload_iframe_src = get_upload_iframe_src( 'image', $post->ID ); 1518 1519 $content = sprintf( 1520 $set_thumbnail_link, 1521 esc_url( $upload_iframe_src ), 1522 '', // Empty when there's no featured image set, `aria-describedby` attribute otherwise. 1523 esc_html( $post_type_object->labels->set_featured_image ) 1524 ); 1525 1526 if ( $thumbnail_id && get_post( $thumbnail_id ) ) { 1527 $size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 ); 1528 1529 /** 1530 * Filters the size used to display the post thumbnail image in the 'Featured image' meta box. 1531 * 1532 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' 1533 * image size is registered, which differs from the 'thumbnail' image size 1534 * managed via the Settings > Media screen. See the `$size` parameter description 1535 * for more information on default values. 1536 * 1537 * @since 4.4.0 1538 * 1539 * @param string|array $size Post thumbnail image size to display in the meta box. Accepts any valid 1540 * image size, or an array of width and height values in pixels (in that order). 1541 * If the 'post-thumbnail' size is set, default is 'post-thumbnail'. Otherwise, 1542 * default is an array with 266 as both the height and width values. 1543 * @param int $thumbnail_id Post thumbnail attachment ID. 1544 * @param WP_Post $post The post object associated with the thumbnail. 1545 */ 1546 $size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post ); 1547 1548 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size ); 1549 1550 if ( ! empty( $thumbnail_html ) ) { 1551 $content = sprintf( 1552 $set_thumbnail_link, 1553 esc_url( $upload_iframe_src ), 1554 ' aria-describedby="set-post-thumbnail-desc"', 1555 $thumbnail_html 1556 ); 1557 $content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>'; 1558 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>'; 1559 } 1560 } 1561 1562 $content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />'; 1563 1564 /** 1565 * Filters the admin post thumbnail HTML markup to return. 1566 * 1567 * @since 2.9.0 1568 * @since 3.5.0 Added the `$post_id` parameter. 1569 * @since 4.6.0 Added the `$thumbnail_id` parameter. 1570 * 1571 * @param string $content Admin post thumbnail HTML markup. 1572 * @param int $post_id Post ID. 1573 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one. 1574 */ 1575 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id ); 1576 } 1577 1578 /** 1579 * Check to see if the post is currently being edited by another user. 1580 * 1581 * @since 2.5.0 1582 * 1583 * @param int $post_id ID of the post to check for editing. 1584 * @return int|false ID of the user with lock. False if the post does not exist, post is not locked, 1585 * the user with lock does not exist, or the post is locked by current user. 1586 */ 1587 function wp_check_post_lock( $post_id ) { 1588 $post = get_post( $post_id ); 1589 if ( ! $post ) { 1590 return false; 1591 } 1592 1593 $lock = get_post_meta( $post->ID, '_edit_lock', true ); 1594 if ( ! $lock ) { 1595 return false; 1596 } 1597 1598 $lock = explode( ':', $lock ); 1599 $time = $lock[0]; 1600 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true ); 1601 1602 if ( ! get_userdata( $user ) ) { 1603 return false; 1604 } 1605 1606 /** This filter is documented in wp-admin/includes/ajax-actions.php */ 1607 $time_window = apply_filters( 'wp_check_post_lock_window', 150 ); 1608 1609 if ( $time && $time > time() - $time_window && get_current_user_id() != $user ) { 1610 return $user; 1611 } 1612 1613 return false; 1614 } 1615 1616 /** 1617 * Mark the post as currently being edited by the current user 1618 * 1619 * @since 2.5.0 1620 * 1621 * @param int $post_id ID of the post being edited. 1622 * @return array|false Array of the lock time and user ID. False if the post does not exist, or 1623 * there is no current user. 1624 */ 1625 function wp_set_post_lock( $post_id ) { 1626 $post = get_post( $post_id ); 1627 if ( ! $post ) { 1628 return false; 1629 } 1630 1631 $user_id = get_current_user_id(); 1632 if ( 0 == $user_id ) { 1633 return false; 1634 } 1635 1636 $now = time(); 1637 $lock = "$now:$user_id"; 1638 1639 update_post_meta( $post->ID, '_edit_lock', $lock ); 1640 1641 return array( $now, $user_id ); 1642 } 1643 1644 /** 1645 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post. 1646 * 1647 * @since 2.8.5 1648 */ 1649 function _admin_notice_post_locked() { 1650 $post = get_post(); 1651 if ( ! $post ) { 1652 return; 1653 } 1654 1655 $user = null; 1656 $user_id = wp_check_post_lock( $post->ID ); 1657 if ( $user_id ) { 1658 $user = get_userdata( $user_id ); 1659 } 1660 1661 if ( $user ) { 1662 /** 1663 * Filters whether to show the post locked dialog. 1664 * 1665 * Returning false from the filter will prevent the dialog from being displayed. 1666 * 1667 * @since 3.6.0 1668 * 1669 * @param bool $display Whether to display the dialog. Default true. 1670 * @param WP_Post $post Post object. 1671 * @param WP_User $user The user with the lock for the post. 1672 */ 1673 if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) { 1674 return; 1675 } 1676 1677 $locked = true; 1678 } else { 1679 $locked = false; 1680 } 1681 1682 $sendback = wp_get_referer(); 1683 if ( $locked && $sendback && false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) { 1684 1685 $sendback_text = __( 'Go back' ); 1686 } else { 1687 $sendback = admin_url( 'edit.php' ); 1688 1689 if ( 'post' !== $post->post_type ) { 1690 $sendback = add_query_arg( 'post_type', $post->post_type, $sendback ); 1691 } 1692 1693 $sendback_text = get_post_type_object( $post->post_type )->labels->all_items; 1694 } 1695 1696 $hidden = $locked ? '' : ' hidden'; 1697 1698 ?> 1699 <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>"> 1700 <div class="notification-dialog-background"></div> 1701 <div class="notification-dialog"> 1702 <?php 1703 1704 if ( $locked ) { 1705 $query_args = array(); 1706 if ( get_post_type_object( $post->post_type )->public ) { 1707 if ( 'publish' === $post->post_status || $user->ID != $post->post_author ) { 1708 // Latest content is in autosave. 1709 $nonce = wp_create_nonce( 'post_preview_' . $post->ID ); 1710 $query_args['preview_id'] = $post->ID; 1711 $query_args['preview_nonce'] = $nonce; 1712 } 1713 } 1714 1715 $preview_link = get_preview_post_link( $post->ID, $query_args ); 1716 1717 /** 1718 * Filters whether to allow the post lock to be overridden. 1719 * 1720 * Returning false from the filter will disable the ability 1721 * to override the post lock. 1722 * 1723 * @since 3.6.0 1724 * 1725 * @param bool $override Whether to allow the post lock to be overridden. Default true. 1726 * @param WP_Post $post Post object. 1727 * @param WP_User $user The user with the lock for the post. 1728 */ 1729 $override = apply_filters( 'override_post_lock', true, $post, $user ); 1730 $tab_last = $override ? '' : ' wp-tab-last'; 1731 1732 ?> 1733 <div class="post-locked-message"> 1734 <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div> 1735 <p class="currently-editing wp-tab-first" tabindex="0"> 1736 <?php 1737 if ( $override ) { 1738 /* translators: %s: User's display name. */ 1739 printf( __( '%s is already editing this post. Do you want to take over?' ), esc_html( $user->display_name ) ); 1740 } else { 1741 /* translators: %s: User's display name. */ 1742 printf( __( '%s is already editing this post.' ), esc_html( $user->display_name ) ); 1743 } 1744 ?> 1745 </p> 1746 <?php 1747 /** 1748 * Fires inside the post locked dialog before the buttons are displayed. 1749 * 1750 * @since 3.6.0 1751 * @since 5.4.0 The $user parameter was added. 1752 * 1753 * @param WP_Post $post Post object. 1754 * @param WP_User $user The user with the lock for the post. 1755 */ 1756 do_action( 'post_locked_dialog', $post, $user ); 1757 ?> 1758 <p> 1759 <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a> 1760 <?php if ( $preview_link ) { ?> 1761 <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a> 1762 <?php 1763 } 1764 1765 // Allow plugins to prevent some users overriding the post lock. 1766 if ( $override ) { 1767 ?> 1768 <a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a> 1769 <?php 1770 } 1771 1772 ?> 1773 </p> 1774 </div> 1775 <?php 1776 } else { 1777 ?> 1778 <div class="post-taken-over"> 1779 <div class="post-locked-avatar"></div> 1780 <p class="wp-tab-first" tabindex="0"> 1781 <span class="currently-editing"></span><br /> 1782 <span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision…' ); ?></span> 1783 <span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span> 1784 </p> 1785 <?php 1786 /** 1787 * Fires inside the dialog displayed when a user has lost the post lock. 1788 * 1789 * @since 3.6.0 1790 * 1791 * @param WP_Post $post Post object. 1792 */ 1793 do_action( 'post_lock_lost_dialog', $post ); 1794 ?> 1795 <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p> 1796 </div> 1797 <?php 1798 } 1799 1800 ?> 1801 </div> 1802 </div> 1803 <?php 1804 } 1805 1806 /** 1807 * Creates autosave data for the specified post from $_POST data. 1808 * 1809 * @since 2.6.0 1810 * 1811 * @param array|int $post_data Associative array containing the post data or int post ID. 1812 * @return int|WP_Error The autosave revision ID. WP_Error or 0 on error. 1813 */ 1814 function wp_create_post_autosave( $post_data ) { 1815 if ( is_numeric( $post_data ) ) { 1816 $post_id = $post_data; 1817 $post_data = $_POST; 1818 } else { 1819 $post_id = (int) $post_data['post_ID']; 1820 } 1821 1822 $post_data = _wp_translate_postdata( true, $post_data ); 1823 if ( is_wp_error( $post_data ) ) { 1824 return $post_data; 1825 } 1826 $post_data = _wp_get_allowed_postdata( $post_data ); 1827 1828 $post_author = get_current_user_id(); 1829 1830 // Store one autosave per author. If there is already an autosave, overwrite it. 1831 $old_autosave = wp_get_post_autosave( $post_id, $post_author ); 1832 if ( $old_autosave ) { 1833 $new_autosave = _wp_post_revision_data( $post_data, true ); 1834 $new_autosave['ID'] = $old_autosave->ID; 1835 $new_autosave['post_author'] = $post_author; 1836 1837 $post = get_post( $post_id ); 1838 1839 // If the new autosave has the same content as the post, delete the autosave. 1840 $autosave_is_different = false; 1841 foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) { 1842 if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) { 1843 $autosave_is_different = true; 1844 break; 1845 } 1846 } 1847 1848 if ( ! $autosave_is_different ) { 1849 wp_delete_post_revision( $old_autosave->ID ); 1850 return 0; 1851 } 1852 1853 /** 1854 * Fires before an autosave is stored. 1855 * 1856 * @since 4.1.0 1857 * 1858 * @param array $new_autosave Post array - the autosave that is about to be saved. 1859 */ 1860 do_action( 'wp_creating_autosave', $new_autosave ); 1861 1862 return wp_update_post( $new_autosave ); 1863 } 1864 1865 // _wp_put_post_revision() expects unescaped. 1866 $post_data = wp_unslash( $post_data ); 1867 1868 // Otherwise create the new autosave as a special post revision. 1869 return _wp_put_post_revision( $post_data, true ); 1870 } 1871 1872 /** 1873 * Saves a draft or manually autosaves for the purpose of showing a post preview. 1874 * 1875 * @since 2.7.0 1876 * 1877 * @return string URL to redirect to show the preview. 1878 */ 1879 function post_preview() { 1880 1881 $post_ID = (int) $_POST['post_ID']; 1882 $_POST['ID'] = $post_ID; 1883 1884 $post = get_post( $post_ID ); 1885 if ( ! $post ) { 1886 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1887 } 1888 1889 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1890 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1891 } 1892 1893 $is_autosave = false; 1894 1895 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 1896 && ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status ) 1897 ) { 1898 $saved_post_id = edit_post(); 1899 } else { 1900 $is_autosave = true; 1901 1902 if ( isset( $_POST['post_status'] ) && 'auto-draft' === $_POST['post_status'] ) { 1903 $_POST['post_status'] = 'draft'; 1904 } 1905 1906 $saved_post_id = wp_create_post_autosave( $post->ID ); 1907 } 1908 1909 if ( is_wp_error( $saved_post_id ) ) { 1910 wp_die( $saved_post_id->get_error_message() ); 1911 } 1912 1913 $query_args = array(); 1914 1915 if ( $is_autosave && $saved_post_id ) { 1916 $query_args['preview_id'] = $post->ID; 1917 $query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID ); 1918 1919 if ( isset( $_POST['post_format'] ) ) { 1920 $query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] ); 1921 } 1922 1923 if ( isset( $_POST['_thumbnail_id'] ) ) { 1924 $query_args['_thumbnail_id'] = ( intval( $_POST['_thumbnail_id'] ) <= 0 ) ? '-1' : intval( $_POST['_thumbnail_id'] ); 1925 } 1926 } 1927 1928 return get_preview_post_link( $post, $query_args ); 1929 } 1930 1931 /** 1932 * Save a post submitted with XHR 1933 * 1934 * Intended for use with heartbeat and autosave.js 1935 * 1936 * @since 3.9.0 1937 * 1938 * @param array $post_data Associative array of the submitted post data. 1939 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success. 1940 * The ID can be the draft post_id or the autosave revision post_id. 1941 */ 1942 function wp_autosave( $post_data ) { 1943 // Back-compat. 1944 if ( ! defined( 'DOING_AUTOSAVE' ) ) { 1945 define( 'DOING_AUTOSAVE', true ); 1946 } 1947 1948 $post_id = (int) $post_data['post_id']; 1949 $post_data['ID'] = $post_id; 1950 $post_data['post_ID'] = $post_id; 1951 1952 if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) { 1953 return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) ); 1954 } 1955 1956 $post = get_post( $post_id ); 1957 1958 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1959 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) ); 1960 } 1961 1962 if ( 'auto-draft' === $post->post_status ) { 1963 $post_data['post_status'] = 'draft'; 1964 } 1965 1966 if ( 'page' !== $post_data['post_type'] && ! empty( $post_data['catslist'] ) ) { 1967 $post_data['post_category'] = explode( ',', $post_data['catslist'] ); 1968 } 1969 1970 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 1971 && ( 'auto-draft' === $post->post_status || 'draft' === $post->post_status ) 1972 ) { 1973 // Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked. 1974 return edit_post( wp_slash( $post_data ) ); 1975 } else { 1976 // Non-drafts or other users' drafts are not overwritten. 1977 // The autosave is stored in a special post revision for each user. 1978 return wp_create_post_autosave( wp_slash( $post_data ) ); 1979 } 1980 } 1981 1982 /** 1983 * Redirect to previous page. 1984 * 1985 * @since 2.7.0 1986 * 1987 * @param int $post_id Optional. Post ID. 1988 */ 1989 function redirect_post( $post_id = '' ) { 1990 if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) { 1991 $status = get_post_status( $post_id ); 1992 1993 if ( isset( $_POST['publish'] ) ) { 1994 switch ( $status ) { 1995 case 'pending': 1996 $message = 8; 1997 break; 1998 case 'future': 1999 $message = 9; 2000 break; 2001 default: 2002 $message = 6; 2003 } 2004 } else { 2005 $message = 'draft' === $status ? 10 : 1; 2006 } 2007 2008 $location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) ); 2009 } elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) { 2010 $location = add_query_arg( 'message', 2, wp_get_referer() ); 2011 $location = explode( '#', $location ); 2012 $location = $location[0] . '#postcustom'; 2013 } elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) { 2014 $location = add_query_arg( 'message', 3, wp_get_referer() ); 2015 $location = explode( '#', $location ); 2016 $location = $location[0] . '#postcustom'; 2017 } else { 2018 $location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) ); 2019 } 2020 2021 /** 2022 * Filters the post redirect destination URL. 2023 * 2024 * @since 2.9.0 2025 * 2026 * @param string $location The destination URL. 2027 * @param int $post_id The post ID. 2028 */ 2029 wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); 2030 exit; 2031 } 2032 2033 /** 2034 * Sanitizes POST values from a checkbox taxonomy metabox. 2035 * 2036 * @since 5.1.0 2037 * 2038 * @param string $taxonomy The taxonomy name. 2039 * @param array $terms Raw term data from the 'tax_input' field. 2040 * @return int[] Array of sanitized term IDs. 2041 */ 2042 function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) { 2043 return array_map( 'intval', $terms ); 2044 } 2045 2046 /** 2047 * Sanitizes POST values from an input taxonomy metabox. 2048 * 2049 * @since 5.1.0 2050 * 2051 * @param string $taxonomy The taxonomy name. 2052 * @param array|string $terms Raw term data from the 'tax_input' field. 2053 * @return array 2054 */ 2055 function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) { 2056 /* 2057 * Assume that a 'tax_input' string is a comma-separated list of term names. 2058 * Some languages may use a character other than a comma as a delimiter, so we standardize on 2059 * commas before parsing the list. 2060 */ 2061 if ( ! is_array( $terms ) ) { 2062 $comma = _x( ',', 'tag delimiter' ); 2063 if ( ',' !== $comma ) { 2064 $terms = str_replace( $comma, ',', $terms ); 2065 } 2066 $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 2067 } 2068 2069 $clean_terms = array(); 2070 foreach ( $terms as $term ) { 2071 // Empty terms are invalid input. 2072 if ( empty( $term ) ) { 2073 continue; 2074 } 2075 2076 $_term = get_terms( 2077 array( 2078 'taxonomy' => $taxonomy, 2079 'name' => $term, 2080 'fields' => 'ids', 2081 'hide_empty' => false, 2082 ) 2083 ); 2084 2085 if ( ! empty( $_term ) ) { 2086 $clean_terms[] = intval( $_term[0] ); 2087 } else { 2088 // No existing term was found, so pass the string. A new term will be created. 2089 $clean_terms[] = $term; 2090 } 2091 } 2092 2093 return $clean_terms; 2094 } 2095 2096 /** 2097 * Return whether the post can be edited in the block editor. 2098 * 2099 * @since 5.0.0 2100 * 2101 * @param int|WP_Post $post Post ID or WP_Post object. 2102 * @return bool Whether the post can be edited in the block editor. 2103 */ 2104 function use_block_editor_for_post( $post ) { 2105 $post = get_post( $post ); 2106 2107 if ( ! $post ) { 2108 return false; 2109 } 2110 2111 // We're in the meta box loader, so don't use the block editor. 2112 if ( isset( $_GET['meta-box-loader'] ) ) { 2113 check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' ); 2114 return false; 2115 } 2116 2117 // The posts page can't be edited in the block editor. 2118 if ( absint( get_option( 'page_for_posts' ) ) === $post->ID && empty( $post->post_content ) ) { 2119 return false; 2120 } 2121 2122 $use_block_editor = use_block_editor_for_post_type( $post->post_type ); 2123 2124 /** 2125 * Filter whether a post is able to be edited in the block editor. 2126 * 2127 * @since 5.0.0 2128 * 2129 * @param bool $use_block_editor Whether the post can be edited or not. 2130 * @param WP_Post $post The post being checked. 2131 */ 2132 return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post ); 2133 } 2134 2135 /** 2136 * Return whether a post type is compatible with the block editor. 2137 * 2138 * The block editor depends on the REST API, and if the post type is not shown in the 2139 * REST API, then it won't work with the block editor. 2140 * 2141 * @since 5.0.0 2142 * 2143 * @param string $post_type The post type. 2144 * @return bool Whether the post type can be edited with the block editor. 2145 */ 2146 function use_block_editor_for_post_type( $post_type ) { 2147 if ( ! post_type_exists( $post_type ) ) { 2148 return false; 2149 } 2150 2151 if ( ! post_type_supports( $post_type, 'editor' ) ) { 2152 return false; 2153 } 2154 2155 $post_type_object = get_post_type_object( $post_type ); 2156 if ( $post_type_object && ! $post_type_object->show_in_rest ) { 2157 return false; 2158 } 2159 2160 /** 2161 * Filter whether a post is able to be edited in the block editor. 2162 * 2163 * @since 5.0.0 2164 * 2165 * @param bool $use_block_editor Whether the post type can be edited or not. Default true. 2166 * @param string $post_type The post type being checked. 2167 */ 2168 return apply_filters( 'use_block_editor_for_post_type', true, $post_type ); 2169 } 2170 2171 /** 2172 * Returns all the block categories that will be shown in the block editor. 2173 * 2174 * @since 5.0.0 2175 * 2176 * @param WP_Post $post Post object. 2177 * @return array[] Array of block categories. 2178 */ 2179 function get_block_categories( $post ) { 2180 $default_categories = array( 2181 array( 2182 'slug' => 'common', 2183 'title' => __( 'Common Blocks' ), 2184 'icon' => null, 2185 ), 2186 array( 2187 'slug' => 'formatting', 2188 'title' => __( 'Formatting' ), 2189 'icon' => null, 2190 ), 2191 array( 2192 'slug' => 'layout', 2193 'title' => __( 'Layout Elements' ), 2194 'icon' => null, 2195 ), 2196 array( 2197 'slug' => 'widgets', 2198 'title' => __( 'Widgets' ), 2199 'icon' => null, 2200 ), 2201 array( 2202 'slug' => 'embed', 2203 'title' => __( 'Embeds' ), 2204 'icon' => null, 2205 ), 2206 array( 2207 'slug' => 'reusable', 2208 'title' => __( 'Reusable Blocks' ), 2209 'icon' => null, 2210 ), 2211 ); 2212 2213 /** 2214 * Filter the default array of block categories. 2215 * 2216 * @since 5.0.0 2217 * 2218 * @param array[] $default_categories Array of block categories. 2219 * @param WP_Post $post Post being loaded. 2220 */ 2221 return apply_filters( 'block_categories', $default_categories, $post ); 2222 } 2223 2224 /** 2225 * Prepares server-registered blocks for the block editor. 2226 * 2227 * Returns an associative array of registered block data keyed by block name. Data includes properties 2228 * of a block relevant for client registration. 2229 * 2230 * @since 5.0.0 2231 * 2232 * @return array An associative array of registered block data. 2233 */ 2234 function get_block_editor_server_block_settings() { 2235 $block_registry = WP_Block_Type_Registry::get_instance(); 2236 $blocks = array(); 2237 $keys_to_pick = array( 'title', 'description', 'icon', 'category', 'keywords', 'parent', 'supports', 'attributes', 'styles' ); 2238 2239 foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) { 2240 foreach ( $keys_to_pick as $key ) { 2241 if ( ! isset( $block_type->{ $key } ) ) { 2242 continue; 2243 } 2244 2245 if ( ! isset( $blocks[ $block_name ] ) ) { 2246 $blocks[ $block_name ] = array(); 2247 } 2248 2249 $blocks[ $block_name ][ $key ] = $block_type->{ $key }; 2250 } 2251 } 2252 2253 return $blocks; 2254 } 2255 2256 /** 2257 * Renders the meta boxes forms. 2258 * 2259 * @since 5.0.0 2260 */ 2261 function the_block_editor_meta_boxes() { 2262 global $post, $current_screen, $wp_meta_boxes; 2263 2264 // Handle meta box state. 2265 $_original_meta_boxes = $wp_meta_boxes; 2266 2267 /** 2268 * Fires right before the meta boxes are rendered. 2269 * 2270 * This allows for the filtering of meta box data, that should already be 2271 * present by this point. Do not use as a means of adding meta box data. 2272 * 2273 * @since 5.0.0 2274 * 2275 * @param array $wp_meta_boxes Global meta box state. 2276 */ 2277 $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); 2278 $locations = array( 'side', 'normal', 'advanced' ); 2279 $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); 2280 2281 // Render meta boxes. 2282 ?> 2283 <form class="metabox-base-form"> 2284 <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> 2285 </form> 2286 <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_attr( admin_url( 'post.php' ) ); ?>"> 2287 <?php wp_nonce_field( 'toggle-custom-fields' ); ?> 2288 <input type="hidden" name="action" value="toggle-custom-fields" /> 2289 </form> 2290 <?php foreach ( $locations as $location ) : ?> 2291 <form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;"> 2292 <div id="poststuff" class="sidebar-open"> 2293 <div id="postbox-container-2" class="postbox-container"> 2294 <?php 2295 do_meta_boxes( 2296 $current_screen, 2297 $location, 2298 $post 2299 ); 2300 ?> 2301 </div> 2302 </div> 2303 </form> 2304 <?php endforeach; ?> 2305 <?php 2306 2307 $meta_boxes_per_location = array(); 2308 foreach ( $locations as $location ) { 2309 $meta_boxes_per_location[ $location ] = array(); 2310 2311 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) { 2312 continue; 2313 } 2314 2315 foreach ( $priorities as $priority ) { 2316 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) { 2317 continue; 2318 } 2319 2320 $meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ]; 2321 foreach ( $meta_boxes as $meta_box ) { 2322 if ( false == $meta_box || ! $meta_box['title'] ) { 2323 continue; 2324 } 2325 2326 // If a meta box is just here for back compat, don't show it in the block editor. 2327 if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) { 2328 continue; 2329 } 2330 2331 $meta_boxes_per_location[ $location ][] = array( 2332 'id' => $meta_box['id'], 2333 'title' => $meta_box['title'], 2334 ); 2335 } 2336 } 2337 } 2338 2339 /** 2340 * Sadly we probably can not add this data directly into editor settings. 2341 * 2342 * Some meta boxes need admin_head to fire for meta box registry. 2343 * admin_head fires after admin_enqueue_scripts, which is where we create our 2344 * editor instance. 2345 */ 2346 $script = 'window._wpLoadBlockEditor.then( function() { 2347 wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' ); 2348 } );'; 2349 2350 wp_add_inline_script( 'wp-edit-post', $script ); 2351 2352 /** 2353 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. Otherwise, 2354 * meta boxes will not display because inline scripts for `wp-edit-post` will not be printed again after this point. 2355 */ 2356 if ( wp_script_is( 'wp-edit-post', 'done' ) ) { 2357 printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) ); 2358 } 2359 2360 /** 2361 * If the 'postcustom' meta box is enabled, then we need to perform some 2362 * extra initialization on it. 2363 */ 2364 $enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ); 2365 if ( $enable_custom_fields ) { 2366 $script = "( function( $ ) { 2367 if ( $('#postcustom').length ) { 2368 $( '#the-list' ).wpList( { 2369 addBefore: function( s ) { 2370 s.data += '&post_id=$post->ID'; 2371 return s; 2372 }, 2373 addAfter: function() { 2374 $('table#list-table').show(); 2375 } 2376 }); 2377 } 2378 } )( jQuery );"; 2379 wp_enqueue_script( 'wp-lists' ); 2380 wp_add_inline_script( 'wp-lists', $script ); 2381 } 2382 2383 // Reset meta box data. 2384 $wp_meta_boxes = $_original_meta_boxes; 2385 } 2386 2387 /** 2388 * Renders the hidden form required for the meta boxes form. 2389 * 2390 * @since 5.0.0 2391 * 2392 * @param WP_Post $post Current post object. 2393 */ 2394 function the_block_editor_meta_box_post_form_hidden_fields( $post ) { 2395 $form_extra = ''; 2396 if ( 'auto-draft' === $post->post_status ) { 2397 $form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />"; 2398 } 2399 $form_action = 'editpost'; 2400 $nonce_action = 'update-post_' . $post->ID; 2401 $form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />"; 2402 $referer = wp_get_referer(); 2403 $current_user = wp_get_current_user(); 2404 $user_id = $current_user->ID; 2405 wp_nonce_field( $nonce_action ); 2406 2407 /* 2408 * Some meta boxes hook into these actions to add hidden input fields in the classic post form. For backwards 2409 * compatibility, we can capture the output from these actions, and extract the hidden input fields. 2410 */ 2411 ob_start(); 2412 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2413 do_action( 'edit_form_after_title', $post ); 2414 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2415 do_action( 'edit_form_advanced', $post ); 2416 $classic_output = ob_get_clean(); 2417 2418 $classic_elements = wp_html_split( $classic_output ); 2419 $hidden_inputs = ''; 2420 foreach ( $classic_elements as $element ) { 2421 if ( 0 !== strpos( $element, '<input ' ) ) { 2422 continue; 2423 } 2424 2425 if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) { 2426 echo $element; 2427 } 2428 } 2429 ?> 2430 <input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" /> 2431 <input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" /> 2432 <input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" /> 2433 <input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" /> 2434 <input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" /> 2435 <input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" /> 2436 2437 <?php 2438 if ( 'draft' !== get_post_status( $post ) ) { 2439 wp_original_referer_field( true, 'previous' ); 2440 } 2441 echo $form_extra; 2442 wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); 2443 wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); 2444 // Permalink title nonce. 2445 wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false ); 2446 2447 /** 2448 * Add hidden input fields to the meta box save form. 2449 * 2450 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to 2451 * the server when meta boxes are saved. 2452 * 2453 * @since 5.0.0 2454 * 2455 * @param WP_Post $post The post that is being edited. 2456 */ 2457 do_action( 'block_editor_meta_box_hidden_fields', $post ); 2458 }
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| Generated: Sun May 31 01:00:03 2020 | Cross-referenced by PHPXref 0.7.1 |