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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 * @package WordPress 15 * @since 2.6.0 16 * 17 * @param bool $update Are we updating a pre-existing post? 18 * @param array $post_data Array of post data. Defaults to the contents of $_POST. 19 * @return object|bool WP_Error on failure, true on success. 20 */ 21 function _wp_translate_postdata( $update = false, $post_data = null ) { 22 23 if ( empty($post_data) ) 24 $post_data = &$_POST; 25 26 if ( $update ) 27 $post_data['ID'] = (int) $post_data['post_ID']; 28 29 if ( isset( $post_data['content'] ) ) 30 $post_data['post_content'] = $post_data['content']; 31 32 if ( isset( $post_data['excerpt'] ) ) 33 $post_data['post_excerpt'] = $post_data['excerpt']; 34 35 if ( isset( $post_data['parent_id'] ) ) 36 $post_data['post_parent'] = (int) $post_data['parent_id']; 37 38 if ( isset($post_data['trackback_url']) ) 39 $post_data['to_ping'] = $post_data['trackback_url']; 40 41 if ( !isset($post_data['user_ID']) ) 42 $post_data['user_ID'] = $GLOBALS['user_ID']; 43 44 if (!empty ( $post_data['post_author_override'] ) ) { 45 $post_data['post_author'] = (int) $post_data['post_author_override']; 46 } else { 47 if (!empty ( $post_data['post_author'] ) ) { 48 $post_data['post_author'] = (int) $post_data['post_author']; 49 } else { 50 $post_data['post_author'] = (int) $post_data['user_ID']; 51 } 52 } 53 54 $ptype = get_post_type_object( $post_data['post_type'] ); 55 if ( isset($post_data['user_ID']) && ($post_data['post_author'] != $post_data['user_ID']) ) { 56 if ( !current_user_can( $ptype->cap->edit_others_posts ) ) { 57 if ( 'page' == $post_data['post_type'] ) { 58 return new WP_Error( 'edit_others_pages', $update ? 59 __( 'You are not allowed to edit pages as this user.' ) : 60 __( 'You are not allowed to create pages as this user.' ) 61 ); 62 } else { 63 return new WP_Error( 'edit_others_posts', $update ? 64 __( 'You are not allowed to edit posts as this user.' ) : 65 __( 'You are not allowed to post as this user.' ) 66 ); 67 } 68 } 69 } 70 71 // What to do based on which button they pressed 72 if ( isset($post_data['saveasdraft']) && '' != $post_data['saveasdraft'] ) 73 $post_data['post_status'] = 'draft'; 74 if ( isset($post_data['saveasprivate']) && '' != $post_data['saveasprivate'] ) 75 $post_data['post_status'] = 'private'; 76 if ( isset($post_data['publish']) && ( '' != $post_data['publish'] ) && ( !isset($post_data['post_status']) || $post_data['post_status'] != 'private' ) ) 77 $post_data['post_status'] = 'publish'; 78 if ( isset($post_data['advanced']) && '' != $post_data['advanced'] ) 79 $post_data['post_status'] = 'draft'; 80 if ( isset($post_data['pending']) && '' != $post_data['pending'] ) 81 $post_data['post_status'] = 'pending'; 82 83 if ( isset( $post_data['ID'] ) ) 84 $post_id = $post_data['ID']; 85 else 86 $post_id = false; 87 $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false; 88 89 // Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published. 90 // Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts. 91 if ( isset($post_data['post_status']) && ('publish' == $post_data['post_status'] && !current_user_can( $ptype->cap->publish_posts )) ) 92 if ( $previous_status != 'publish' || !current_user_can( 'edit_post', $post_id ) ) 93 $post_data['post_status'] = 'pending'; 94 95 if ( ! isset($post_data['post_status']) ) 96 $post_data['post_status'] = $previous_status; 97 98 if (!isset( $post_data['comment_status'] )) 99 $post_data['comment_status'] = 'closed'; 100 101 if (!isset( $post_data['ping_status'] )) 102 $post_data['ping_status'] = 'closed'; 103 104 foreach ( array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) { 105 if ( !empty( $post_data['hidden_' . $timeunit] ) && $post_data['hidden_' . $timeunit] != $post_data[$timeunit] ) { 106 $post_data['edit_date'] = '1'; 107 break; 108 } 109 } 110 111 if ( !empty( $post_data['edit_date'] ) ) { 112 $aa = $post_data['aa']; 113 $mm = $post_data['mm']; 114 $jj = $post_data['jj']; 115 $hh = $post_data['hh']; 116 $mn = $post_data['mn']; 117 $ss = $post_data['ss']; 118 $aa = ($aa <= 0 ) ? date('Y') : $aa; 119 $mm = ($mm <= 0 ) ? date('n') : $mm; 120 $jj = ($jj > 31 ) ? 31 : $jj; 121 $jj = ($jj <= 0 ) ? date('j') : $jj; 122 $hh = ($hh > 23 ) ? $hh -24 : $hh; 123 $mn = ($mn > 59 ) ? $mn -60 : $mn; 124 $ss = ($ss > 59 ) ? $ss -60 : $ss; 125 $post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss ); 126 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] ); 127 } 128 129 return $post_data; 130 } 131 132 /** 133 * Update an existing post with values provided in $_POST. 134 * 135 * @since 1.5.0 136 * 137 * @param array $post_data Optional. 138 * @return int Post ID. 139 */ 140 function edit_post( $post_data = null ) { 141 142 if ( empty($post_data) ) 143 $post_data = &$_POST; 144 145 // Clear out any data in internal vars. 146 unset( $post_data['filter'] ); 147 148 $post_ID = (int) $post_data['post_ID']; 149 $post = get_post( $post_ID ); 150 $post_data['post_type'] = $post->post_type; 151 $post_data['post_mime_type'] = $post->post_mime_type; 152 153 $ptype = get_post_type_object($post_data['post_type']); 154 if ( !current_user_can( $ptype->cap->edit_post, $post_ID ) ) { 155 if ( 'page' == $post_data['post_type'] ) 156 wp_die( __('You are not allowed to edit this page.' )); 157 else 158 wp_die( __('You are not allowed to edit this post.' )); 159 } 160 161 // Autosave shouldn't save too soon after a real save 162 if ( 'autosave' == $post_data['action'] ) { 163 $post =& get_post( $post_ID ); 164 $now = time(); 165 $then = strtotime($post->post_date_gmt . ' +0000'); 166 $delta = AUTOSAVE_INTERVAL / 2; 167 if ( ($now - $then) < $delta ) 168 return $post_ID; 169 } 170 171 $post_data = _wp_translate_postdata( true, $post_data ); 172 if ( is_wp_error($post_data) ) 173 wp_die( $post_data->get_error_message() ); 174 if ( 'autosave' != $post_data['action'] && 'auto-draft' == $post_data['post_status'] ) 175 $post_data['post_status'] = 'draft'; 176 177 if ( isset($post_data['visibility']) ) { 178 switch ( $post_data['visibility'] ) { 179 case 'public' : 180 $post_data['post_password'] = ''; 181 break; 182 case 'password' : 183 unset( $post_data['sticky'] ); 184 break; 185 case 'private' : 186 $post_data['post_status'] = 'private'; 187 $post_data['post_password'] = ''; 188 unset( $post_data['sticky'] ); 189 break; 190 } 191 } 192 193 // Post Formats 194 if ( isset( $post_data['post_format'] ) ) { 195 if ( current_theme_supports( 'post-formats', $post_data['post_format'] ) ) 196 set_post_format( $post_ID, $post_data['post_format'] ); 197 elseif ( '0' == $post_data['post_format'] ) 198 set_post_format( $post_ID, false ); 199 } 200 201 // Meta Stuff 202 if ( isset($post_data['meta']) && $post_data['meta'] ) { 203 foreach ( $post_data['meta'] as $key => $value ) { 204 if ( !$meta = get_post_meta_by_id( $key ) ) 205 continue; 206 if ( $meta->post_id != $post_ID ) 207 continue; 208 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) 209 continue; 210 update_meta( $key, $value['key'], $value['value'] ); 211 } 212 } 213 214 if ( isset($post_data['deletemeta']) && $post_data['deletemeta'] ) { 215 foreach ( $post_data['deletemeta'] as $key => $value ) { 216 if ( !$meta = get_post_meta_by_id( $key ) ) 217 continue; 218 if ( $meta->post_id != $post_ID ) 219 continue; 220 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) 221 continue; 222 delete_meta( $key ); 223 } 224 } 225 226 add_meta( $post_ID ); 227 228 update_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID ); 229 230 wp_update_post( $post_data ); 231 232 // Now that we have an ID we can fix any attachment anchor hrefs 233 _fix_attachment_links( $post_ID ); 234 235 wp_set_post_lock( $post_ID ); 236 237 if ( current_user_can( $ptype->cap->edit_others_posts ) ) { 238 if ( ! empty( $post_data['sticky'] ) ) 239 stick_post( $post_ID ); 240 else 241 unstick_post( $post_ID ); 242 } 243 244 return $post_ID; 245 } 246 247 /** 248 * Process the post data for the bulk editing of posts. 249 * 250 * Updates all bulk edited posts/pages, adding (but not removing) tags and 251 * categories. Skips pages when they would be their own parent or child. 252 * 253 * @since 2.7.0 254 * 255 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal. 256 * @return array 257 */ 258 function bulk_edit_posts( $post_data = null ) { 259 global $wpdb; 260 261 if ( empty($post_data) ) 262 $post_data = &$_POST; 263 264 if ( isset($post_data['post_type']) ) 265 $ptype = get_post_type_object($post_data['post_type']); 266 else 267 $ptype = get_post_type_object('post'); 268 269 if ( !current_user_can( $ptype->cap->edit_posts ) ) { 270 if ( 'page' == $ptype->name ) 271 wp_die( __('You are not allowed to edit pages.')); 272 else 273 wp_die( __('You are not allowed to edit posts.')); 274 } 275 276 if ( -1 == $post_data['_status'] ) { 277 $post_data['post_status'] = null; 278 unset($post_data['post_status']); 279 } else { 280 $post_data['post_status'] = $post_data['_status']; 281 } 282 unset($post_data['_status']); 283 284 $post_IDs = array_map( 'intval', (array) $post_data['post'] ); 285 286 $reset = array( 'post_author', 'post_status', 'post_password', 'post_parent', 'page_template', 'comment_status', 'ping_status', 'keep_private', 'tax_input', 'post_category', 'sticky' ); 287 foreach ( $reset as $field ) { 288 if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) ) 289 unset($post_data[$field]); 290 } 291 292 if ( isset($post_data['post_category']) ) { 293 if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) ) 294 $new_cats = array_map( 'absint', $post_data['post_category'] ); 295 else 296 unset($post_data['post_category']); 297 } 298 299 $tax_input = array(); 300 if ( isset($post_data['tax_input'])) { 301 foreach ( $post_data['tax_input'] as $tax_name => $terms ) { 302 if ( empty($terms) ) 303 continue; 304 if ( is_taxonomy_hierarchical( $tax_name ) ) { 305 $tax_input[ $tax_name ] = array_map( 'absint', $terms ); 306 } else { 307 $comma = _x( ',', 'tag delimiter' ); 308 if ( ',' !== $comma ) 309 $terms = str_replace( $comma, ',', $terms ); 310 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 311 } 312 } 313 } 314 315 if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) { 316 $pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'"); 317 $children = array(); 318 319 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) { 320 $children[] = $parent; 321 322 foreach ( $pages as $page ) { 323 if ( $page->ID == $parent ) { 324 $parent = $page->post_parent; 325 break; 326 } 327 } 328 } 329 } 330 331 if ( isset( $post_data['post_format'] ) ) { 332 if ( '0' == $post_data['post_format'] ) 333 $post_data['post_format'] = false; 334 // don't change the post format if it's not supported or not '0' (standard) 335 elseif ( ! current_theme_supports( 'post-formats', $post_data['post_format'] ) ) 336 unset( $post_data['post_format'] ); 337 } 338 339 $updated = $skipped = $locked = array(); 340 foreach ( $post_IDs as $post_ID ) { 341 $post_type_object = get_post_type_object( get_post_type( $post_ID ) ); 342 343 if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( $post_type_object->cap->edit_post, $post_ID ) ) { 344 $skipped[] = $post_ID; 345 continue; 346 } 347 348 if ( wp_check_post_lock( $post_ID ) ) { 349 $locked[] = $post_ID; 350 continue; 351 } 352 353 $post = get_post( $post_ID ); 354 $tax_names = get_object_taxonomies( $post ); 355 foreach ( $tax_names as $tax_name ) { 356 $taxonomy_obj = get_taxonomy($tax_name); 357 if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) 358 $new_terms = $tax_input[$tax_name]; 359 else 360 $new_terms = array(); 361 362 if ( $taxonomy_obj->hierarchical ) 363 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') ); 364 else 365 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') ); 366 367 $post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms ); 368 } 369 370 if ( isset($new_cats) && in_array( 'category', $tax_names ) ) { 371 $cats = (array) wp_get_post_categories($post_ID); 372 $post_data['post_category'] = array_unique( array_merge($cats, $new_cats) ); 373 unset( $post_data['tax_input']['category'] ); 374 } 375 376 $post_data['post_mime_type'] = $post->post_mime_type; 377 $post_data['guid'] = $post->guid; 378 379 $post_data['ID'] = $post_ID; 380 $updated[] = wp_update_post( $post_data ); 381 382 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) { 383 if ( 'sticky' == $post_data['sticky'] ) 384 stick_post( $post_ID ); 385 else 386 unstick_post( $post_ID ); 387 } 388 389 if ( isset( $post_data['post_format'] ) ) 390 set_post_format( $post_ID, $post_data['post_format'] ); 391 } 392 393 return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked ); 394 } 395 396 /** 397 * Default post information to use when populating the "Write Post" form. 398 * 399 * @since 2.0.0 400 * 401 * @param string $post_type A post type string, defaults to 'post'. 402 * @return object stdClass object containing all the default post data as attributes 403 */ 404 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) { 405 global $wpdb; 406 407 $post_title = ''; 408 if ( !empty( $_REQUEST['post_title'] ) ) 409 $post_title = esc_html( stripslashes( $_REQUEST['post_title'] )); 410 411 $post_content = ''; 412 if ( !empty( $_REQUEST['content'] ) ) 413 $post_content = esc_html( stripslashes( $_REQUEST['content'] )); 414 415 $post_excerpt = ''; 416 if ( !empty( $_REQUEST['excerpt'] ) ) 417 $post_excerpt = esc_html( stripslashes( $_REQUEST['excerpt'] )); 418 419 if ( $create_in_db ) { 420 $post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft' ) ); 421 $post = get_post( $post_id ); 422 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) 423 set_post_format( $post, get_option( 'default_post_format' ) ); 424 } else { 425 $post = new stdClass; 426 $post->ID = 0; 427 $post->post_author = ''; 428 $post->post_date = ''; 429 $post->post_date_gmt = ''; 430 $post->post_password = ''; 431 $post->post_type = $post_type; 432 $post->post_status = 'draft'; 433 $post->to_ping = ''; 434 $post->pinged = ''; 435 $post->comment_status = get_option( 'default_comment_status' ); 436 $post->ping_status = get_option( 'default_ping_status' ); 437 $post->post_pingback = get_option( 'default_pingback_flag' ); 438 $post->post_category = get_option( 'default_category' ); 439 $post->page_template = 'default'; 440 $post->post_parent = 0; 441 $post->menu_order = 0; 442 } 443 444 $post->post_content = apply_filters( 'default_content', $post_content, $post ); 445 $post->post_title = apply_filters( 'default_title', $post_title, $post ); 446 $post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt, $post ); 447 $post->post_name = ''; 448 449 return $post; 450 } 451 452 /** 453 * Get the default page information to use. 454 * 455 * @since 2.5.0 456 * 457 * @return object stdClass object containing all the default post data as attributes 458 */ 459 function get_default_page_to_edit() { 460 $page = get_default_post_to_edit(); 461 $page->post_type = 'page'; 462 return $page; 463 } 464 465 /** 466 * Get an existing post and format it for editing. 467 * 468 * @since 2.0.0 469 * 470 * @param unknown_type $id 471 * @return unknown 472 */ 473 function get_post_to_edit( $id ) { 474 475 $post = get_post( $id, OBJECT, 'edit' ); 476 477 if ( $post->post_type == 'page' ) 478 $post->page_template = get_post_meta( $id, '_wp_page_template', true ); 479 480 return $post; 481 } 482 483 /** 484 * Determine if a post exists based on title, content, and date 485 * 486 * @since 2.0.0 487 * 488 * @param string $title Post title 489 * @param string $content Optional post content 490 * @param string $date Optional post date 491 * @return int Post ID if post exists, 0 otherwise. 492 */ 493 function post_exists($title, $content = '', $date = '') { 494 global $wpdb; 495 496 $post_title = stripslashes( sanitize_post_field( 'post_title', $title, 0, 'db' ) ); 497 $post_content = stripslashes( sanitize_post_field( 'post_content', $content, 0, 'db' ) ); 498 $post_date = stripslashes( sanitize_post_field( 'post_date', $date, 0, 'db' ) ); 499 500 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1"; 501 $args = array(); 502 503 if ( !empty ( $date ) ) { 504 $query .= ' AND post_date = %s'; 505 $args[] = $post_date; 506 } 507 508 if ( !empty ( $title ) ) { 509 $query .= ' AND post_title = %s'; 510 $args[] = $post_title; 511 } 512 513 if ( !empty ( $content ) ) { 514 $query .= 'AND post_content = %s'; 515 $args[] = $post_content; 516 } 517 518 if ( !empty ( $args ) ) 519 return $wpdb->get_var( $wpdb->prepare($query, $args) ); 520 521 return 0; 522 } 523 524 /** 525 * Creates a new post from the "Write Post" form using $_POST information. 526 * 527 * @since 2.1.0 528 * 529 * @return unknown 530 */ 531 function wp_write_post() { 532 global $user_ID; 533 534 if ( isset($_POST['post_type']) ) 535 $ptype = get_post_type_object($_POST['post_type']); 536 else 537 $ptype = get_post_type_object('post'); 538 539 if ( !current_user_can( $ptype->cap->edit_posts ) ) { 540 if ( 'page' == $ptype->name ) 541 return new WP_Error( 'edit_pages', __( 'You are not allowed to create pages on this site.' ) ); 542 else 543 return new WP_Error( 'edit_posts', __( 'You are not allowed to create posts or drafts on this site.' ) ); 544 } 545 546 $_POST['post_mime_type'] = ''; 547 548 // Clear out any data in internal vars. 549 unset( $_POST['filter'] ); 550 551 // Edit don't write if we have a post id. 552 if ( isset( $_POST['post_ID'] ) ) 553 return edit_post(); 554 555 $translated = _wp_translate_postdata( false ); 556 if ( is_wp_error($translated) ) 557 return $translated; 558 559 if ( isset($_POST['visibility']) ) { 560 switch ( $_POST['visibility'] ) { 561 case 'public' : 562 $_POST['post_password'] = ''; 563 break; 564 case 'password' : 565 unset( $_POST['sticky'] ); 566 break; 567 case 'private' : 568 $_POST['post_status'] = 'private'; 569 $_POST['post_password'] = ''; 570 unset( $_POST['sticky'] ); 571 break; 572 } 573 } 574 575 // Create the post. 576 $post_ID = wp_insert_post( $_POST ); 577 if ( is_wp_error( $post_ID ) ) 578 return $post_ID; 579 580 if ( empty($post_ID) ) 581 return 0; 582 583 add_meta( $post_ID ); 584 585 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID ); 586 587 // Now that we have an ID we can fix any attachment anchor hrefs 588 _fix_attachment_links( $post_ID ); 589 590 wp_set_post_lock( $post_ID ); 591 592 return $post_ID; 593 } 594 595 /** 596 * Calls wp_write_post() and handles the errors. 597 * 598 * @since 2.0.0 599 600 * @uses wp_write_post() 601 * @uses is_wp_error() 602 * @uses wp_die() 603 * @return unknown 604 */ 605 function write_post() { 606 $result = wp_write_post(); 607 if ( is_wp_error( $result ) ) 608 wp_die( $result->get_error_message() ); 609 else 610 return $result; 611 } 612 613 // 614 // Post Meta 615 // 616 617 /** 618 * {@internal Missing Short Description}} 619 * 620 * @since 1.2.0 621 * 622 * @param unknown_type $post_ID 623 * @return unknown 624 */ 625 function add_meta( $post_ID ) { 626 global $wpdb; 627 $post_ID = (int) $post_ID; 628 629 $metakeyselect = isset($_POST['metakeyselect']) ? stripslashes( trim( $_POST['metakeyselect'] ) ) : ''; 630 $metakeyinput = isset($_POST['metakeyinput']) ? stripslashes( trim( $_POST['metakeyinput'] ) ) : ''; 631 $metavalue = isset($_POST['metavalue']) ? $_POST['metavalue'] : ''; 632 if ( is_string( $metavalue ) ) 633 $metavalue = trim( $metavalue ); 634 635 if ( ('0' === $metavalue || ! empty ( $metavalue ) ) && ( ( ( '#NONE#' != $metakeyselect ) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput ) ) ) { 636 // We have a key/value pair. If both the select and the 637 // input for the key have data, the input takes precedence: 638 639 if ( '#NONE#' != $metakeyselect ) 640 $metakey = $metakeyselect; 641 642 if ( $metakeyinput ) 643 $metakey = $metakeyinput; // default 644 645 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) 646 return false; 647 648 $metakey = esc_sql( $metakey ); 649 650 return add_post_meta( $post_ID, $metakey, $metavalue ); 651 } 652 653 return false; 654 } // add_meta 655 656 /** 657 * {@internal Missing Short Description}} 658 * 659 * @since 1.2.0 660 * 661 * @param unknown_type $mid 662 * @return unknown 663 */ 664 function delete_meta( $mid ) { 665 return delete_metadata_by_mid( 'post' , $mid ); 666 } 667 668 /** 669 * Get a list of previously defined keys. 670 * 671 * @since 1.2.0 672 * 673 * @return unknown 674 */ 675 function get_meta_keys() { 676 global $wpdb; 677 678 $keys = $wpdb->get_col( " 679 SELECT meta_key 680 FROM $wpdb->postmeta 681 GROUP BY meta_key 682 ORDER BY meta_key" ); 683 684 return $keys; 685 } 686 687 /** 688 * {@internal Missing Short Description}} 689 * 690 * @since 2.1.0 691 * 692 * @param unknown_type $mid 693 * @return unknown 694 */ 695 function get_post_meta_by_id( $mid ) { 696 return get_metadata_by_mid( 'post', $mid ); 697 } 698 699 /** 700 * {@internal Missing Short Description}} 701 * 702 * Some postmeta stuff. 703 * 704 * @since 1.2.0 705 * 706 * @param unknown_type $postid 707 * @return unknown 708 */ 709 function has_meta( $postid ) { 710 global $wpdb; 711 712 return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, post_id 713 FROM $wpdb->postmeta WHERE post_id = %d 714 ORDER BY meta_key,meta_id", $postid), ARRAY_A ); 715 } 716 717 /** 718 * {@internal Missing Short Description}} 719 * 720 * @since 1.2.0 721 * 722 * @param unknown_type $meta_id 723 * @param unknown_type $meta_key Expect Slashed 724 * @param unknown_type $meta_value Expect Slashed 725 * @return unknown 726 */ 727 function update_meta( $meta_id, $meta_key, $meta_value ) { 728 $meta_key = stripslashes( $meta_key ); 729 $meta_value = stripslashes_deep( $meta_value ); 730 731 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key ); 732 } 733 734 // 735 // Private 736 // 737 738 /** 739 * Replace hrefs of attachment anchors with up-to-date permalinks. 740 * 741 * @since 2.3.0 742 * @access private 743 * 744 * @param unknown_type $post_ID 745 * @return unknown 746 */ 747 function _fix_attachment_links( $post_ID ) { 748 $post = & get_post( $post_ID, ARRAY_A ); 749 $content = $post['post_content']; 750 751 // quick sanity check, don't run if no pretty permalinks or post is not published 752 if ( !get_option('permalink_structure') || $post['post_status'] != 'publish' ) 753 return; 754 755 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero) 756 if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) 757 return; 758 759 $site_url = get_bloginfo('url'); 760 $site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s) 761 $replace = ''; 762 763 foreach ( $link_matches[1] as $key => $value ) { 764 if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-') 765 || !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match ) 766 || !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) 767 continue; 768 769 $quote = $url_match[1]; // the quote (single or double) 770 $url_id = (int) $url_match[2]; 771 $rel_id = (int) $rel_match[1]; 772 773 if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false ) 774 continue; 775 776 $link = $link_matches[0][$key]; 777 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); 778 779 $content = str_replace( $link, $replace, $content ); 780 } 781 782 if ( $replace ) { 783 $post['post_content'] = $content; 784 // Escape data pulled from DB. 785 $post = add_magic_quotes($post); 786 787 return wp_update_post($post); 788 } 789 } 790 791 /** 792 * Move child posts to a new parent. 793 * 794 * @since 2.3.0 795 * @access private 796 * 797 * @param unknown_type $old_ID 798 * @param unknown_type $new_ID 799 * @return unknown 800 */ 801 function _relocate_children( $old_ID, $new_ID ) { 802 global $wpdb; 803 $old_ID = (int) $old_ID; 804 $new_ID = (int) $new_ID; 805 806 $children = $wpdb->get_col( $wpdb->prepare(" 807 SELECT post_id 808 FROM $wpdb->postmeta 809 WHERE meta_key = '_wp_attachment_temp_parent' 810 AND meta_value = %d", $old_ID) ); 811 812 foreach ( $children as $child_id ) { 813 $wpdb->update($wpdb->posts, array('post_parent' => $new_ID), array('ID' => $child_id) ); 814 delete_post_meta($child_id, '_wp_attachment_temp_parent'); 815 } 816 } 817 818 /** 819 * Get all the possible statuses for a post_type 820 * 821 * @since 2.5.0 822 * 823 * @param string $type The post_type you want the statuses for 824 * @return array As array of all the statuses for the supplied post type 825 */ 826 function get_available_post_statuses($type = 'post') { 827 $stati = wp_count_posts($type); 828 829 return array_keys(get_object_vars($stati)); 830 } 831 832 /** 833 * Run the wp query to fetch the posts for listing on the edit posts page 834 * 835 * @since 2.5.0 836 * 837 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal. 838 * @return array 839 */ 840 function wp_edit_posts_query( $q = false ) { 841 if ( false === $q ) 842 $q = $_GET; 843 $q['m'] = isset($q['m']) ? (int) $q['m'] : 0; 844 $q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0; 845 $post_stati = get_post_stati(); 846 847 if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) ) 848 $post_type = $q['post_type']; 849 else 850 $post_type = 'post'; 851 852 $avail_post_stati = get_available_post_statuses($post_type); 853 854 if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) { 855 $post_status = $q['post_status']; 856 $perm = 'readable'; 857 } 858 859 if ( isset($q['orderby']) ) 860 $orderby = $q['orderby']; 861 elseif ( isset($q['post_status']) && in_array($q['post_status'], array('pending', 'draft')) ) 862 $orderby = 'modified'; 863 864 if ( isset($q['order']) ) 865 $order = $q['order']; 866 elseif ( isset($q['post_status']) && 'pending' == $q['post_status'] ) 867 $order = 'ASC'; 868 869 $per_page = 'edit_' . $post_type . '_per_page'; 870 $posts_per_page = (int) get_user_option( $per_page ); 871 if ( empty( $posts_per_page ) || $posts_per_page < 1 ) 872 $posts_per_page = 20; 873 874 $posts_per_page = apply_filters( $per_page, $posts_per_page ); 875 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type ); 876 877 $query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page'); 878 879 // Hierarchical types require special args. 880 if ( is_post_type_hierarchical( $post_type ) && !isset($orderby) ) { 881 $query['orderby'] = 'menu_order title'; 882 $query['order'] = 'asc'; 883 $query['posts_per_page'] = -1; 884 $query['posts_per_archive_page'] = -1; 885 } 886 887 if ( ! empty( $q['show_sticky'] ) ) 888 $query['post__in'] = (array) get_option( 'sticky_posts' ); 889 890 wp( $query ); 891 892 return $avail_post_stati; 893 } 894 895 /** 896 * Get default post mime types 897 * 898 * @since 2.9.0 899 * 900 * @return array 901 */ 902 function get_post_mime_types() { 903 $post_mime_types = array( // array( adj, noun ) 904 'image' => array(__('Images'), __('Manage Images'), _n_noop('Image <span class="count">(%s)</span>', 'Images <span class="count">(%s)</span>')), 905 'audio' => array(__('Audio'), __('Manage Audio'), _n_noop('Audio <span class="count">(%s)</span>', 'Audio <span class="count">(%s)</span>')), 906 'video' => array(__('Video'), __('Manage Video'), _n_noop('Video <span class="count">(%s)</span>', 'Video <span class="count">(%s)</span>')), 907 ); 908 909 return apply_filters('post_mime_types', $post_mime_types); 910 } 911 912 /** 913 * {@internal Missing Short Description}} 914 * 915 * @since 2.5.0 916 * 917 * @param unknown_type $type 918 * @return unknown 919 */ 920 function get_available_post_mime_types($type = 'attachment') { 921 global $wpdb; 922 923 $types = $wpdb->get_col($wpdb->prepare("SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type)); 924 return $types; 925 } 926 927 /** 928 * {@internal Missing Short Description}} 929 * 930 * @since 2.5.0 931 * 932 * @param unknown_type $q 933 * @return unknown 934 */ 935 function wp_edit_attachments_query( $q = false ) { 936 if ( false === $q ) 937 $q = $_GET; 938 939 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 940 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 941 $q['post_type'] = 'attachment'; 942 $post_type = get_post_type_object( 'attachment' ); 943 $states = 'inherit'; 944 if ( current_user_can( $post_type->cap->read_private_posts ) ) 945 $states .= ',private'; 946 947 $q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states; 948 $media_per_page = (int) get_user_option( 'upload_per_page' ); 949 if ( empty( $media_per_page ) || $media_per_page < 1 ) 950 $media_per_page = 20; 951 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page ); 952 953 $post_mime_types = get_post_mime_types(); 954 $avail_post_mime_types = get_available_post_mime_types('attachment'); 955 956 if ( isset($q['post_mime_type']) && !array_intersect( (array) $q['post_mime_type'], array_keys($post_mime_types) ) ) 957 unset($q['post_mime_type']); 958 959 if ( isset($q['detached']) ) 960 add_filter('posts_where', '_edit_attachments_query_helper'); 961 962 wp( $q ); 963 964 if ( isset($q['detached']) ) 965 remove_filter('posts_where', '_edit_attachments_query_helper'); 966 967 return array($post_mime_types, $avail_post_mime_types); 968 } 969 970 function _edit_attachments_query_helper($where) { 971 global $wpdb; 972 return $where .= " AND {$wpdb->posts}.post_parent < 1"; 973 } 974 975 /** 976 * Returns the list of classes to be used by a metabox 977 * 978 * @uses get_user_option() 979 * @since 2.5.0 980 * 981 * @param unknown_type $id 982 * @param unknown_type $page 983 * @return unknown 984 */ 985 function postbox_classes( $id, $page ) { 986 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) { 987 $classes = array( '' ); 988 } elseif ( $closed = get_user_option('closedpostboxes_'.$page ) ) { 989 if ( !is_array( $closed ) ) { 990 $classes = array( '' ); 991 } else { 992 $classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' ); 993 } 994 } else { 995 $classes = array( '' ); 996 } 997 998 $classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes ); 999 return implode( ' ', $classes ); 1000 } 1001 1002 /** 1003 * {@internal Missing Short Description}} 1004 * 1005 * @since 2.5.0 1006 * 1007 * @param int|object $id Post ID or post object. 1008 * @param string $title (optional) Title 1009 * @param string $name (optional) Name 1010 * @return array With two entries of type string 1011 */ 1012 function get_sample_permalink($id, $title = null, $name = null) { 1013 $post = &get_post($id); 1014 if ( !$post->ID ) 1015 return array('', ''); 1016 1017 $ptype = get_post_type_object($post->post_type); 1018 1019 $original_status = $post->post_status; 1020 $original_date = $post->post_date; 1021 $original_name = $post->post_name; 1022 1023 // Hack: get_permalink would return ugly permalink for 1024 // drafts, so we will fake, that our post is published 1025 if ( in_array($post->post_status, array('draft', 'pending')) ) { 1026 $post->post_status = 'publish'; 1027 $post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID); 1028 } 1029 1030 // If the user wants to set a new name -- override the current one 1031 // Note: if empty name is supplied -- use the title instead, see #6072 1032 if ( !is_null($name) ) 1033 $post->post_name = sanitize_title($name ? $name : $title, $post->ID); 1034 1035 $post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent); 1036 1037 $post->filter = 'sample'; 1038 1039 $permalink = get_permalink($post, true); 1040 1041 // Replace custom post_type Token with generic pagename token for ease of use. 1042 $permalink = str_replace("%$post->post_type%", '%pagename%', $permalink); 1043 1044 // Handle page hierarchy 1045 if ( $ptype->hierarchical ) { 1046 $uri = get_page_uri($post); 1047 $uri = untrailingslashit($uri); 1048 $uri = strrev( stristr( strrev( $uri ), '/' ) ); 1049 $uri = untrailingslashit($uri); 1050 $uri = apply_filters( 'editable_slug', $uri ); 1051 if ( !empty($uri) ) 1052 $uri .= '/'; 1053 $permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink); 1054 } 1055 1056 $permalink = array($permalink, apply_filters('editable_slug', $post->post_name)); 1057 $post->post_status = $original_status; 1058 $post->post_date = $original_date; 1059 $post->post_name = $original_name; 1060 unset($post->filter); 1061 1062 return $permalink; 1063 } 1064 1065 /** 1066 * sample permalink html 1067 * 1068 * intended to be used for the inplace editor of the permalink post slug on in the post (and page?) editor. 1069 * 1070 * @since 2.5.0 1071 * 1072 * @param int|object $id Post ID or post object. 1073 * @param string $new_title (optional) New title 1074 * @param string $new_slug (optional) New slug 1075 * @return string intended to be used for the inplace editor of the permalink post slug on in the post (and page?) editor. 1076 */ 1077 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) { 1078 global $wpdb; 1079 $post = &get_post($id); 1080 1081 list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug); 1082 1083 if ( 'publish' == $post->post_status ) { 1084 $ptype = get_post_type_object($post->post_type); 1085 $view_post = $ptype->labels->view_item; 1086 $title = __('Click to edit this part of the permalink'); 1087 } else { 1088 $title = __('Temporary permalink. Click to edit this part.'); 1089 } 1090 1091 if ( false === strpos($permalink, '%postname%') && false === strpos($permalink, '%pagename%') ) { 1092 $return = '<strong>' . __('Permalink:') . "</strong>\n" . '<span id="sample-permalink">' . $permalink . "</span>\n"; 1093 if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) ) 1094 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button" target="_blank">' . __('Change Permalinks') . "</a></span>\n"; 1095 if ( isset($view_post) ) 1096 $return .= "<span id='view-post-btn'><a href='$permalink' class='button' target='_blank'>$view_post</a></span>\n"; 1097 1098 $return = apply_filters('get_sample_permalink_html', $return, $id, $new_title, $new_slug); 1099 1100 return $return; 1101 } 1102 1103 if ( function_exists('mb_strlen') ) { 1104 if ( mb_strlen($post_name) > 30 ) { 1105 $post_name_abridged = mb_substr($post_name, 0, 14). '…' . mb_substr($post_name, -14); 1106 } else { 1107 $post_name_abridged = $post_name; 1108 } 1109 } else { 1110 if ( strlen($post_name) > 30 ) { 1111 $post_name_abridged = substr($post_name, 0, 14). '…' . substr($post_name, -14); 1112 } else { 1113 $post_name_abridged = $post_name; 1114 } 1115 } 1116 1117 $post_name_html = '<span id="editable-post-name" title="' . $title . '">' . $post_name_abridged . '</span>'; 1118 $display_link = str_replace(array('%pagename%','%postname%'), $post_name_html, $permalink); 1119 $view_link = str_replace(array('%pagename%','%postname%'), $post_name, $permalink); 1120 $return = '<strong>' . __('Permalink:') . "</strong>\n"; 1121 $return .= '<span id="sample-permalink">' . $display_link . "</span>\n"; 1122 $return .= '‎'; // Fix bi-directional text display defect in RTL languages. 1123 $return .= '<span id="edit-slug-buttons"><a href="#post_name" class="edit-slug button hide-if-no-js" onclick="editPermalink(' . $id . '); return false;">' . __('Edit') . "</a></span>\n"; 1124 $return .= '<span id="editable-post-name-full">' . $post_name . "</span>\n"; 1125 if ( isset($view_post) ) 1126 $return .= "<span id='view-post-btn'><a href='$view_link' class='button' target='_blank'>$view_post</a></span>\n"; 1127 1128 $return = apply_filters('get_sample_permalink_html', $return, $id, $new_title, $new_slug); 1129 1130 return $return; 1131 } 1132 1133 /** 1134 * Output HTML for the post thumbnail meta-box. 1135 * 1136 * @since 2.9.0 1137 * 1138 * @param int $thumbnail_id ID of the attachment used for thumbnail 1139 * @param int $post_id ID of the post associated with the thumbnail, defaults to global $post_ID 1140 * @return string html 1141 */ 1142 function _wp_post_thumbnail_html( $thumbnail_id = null, $post_id = null ) { 1143 global $content_width, $_wp_additional_image_sizes, $post_ID; 1144 1145 if ( empty( $post_id ) ) 1146 $post_id = $post_ID; 1147 1148 $upload_iframe_src = esc_url( get_upload_iframe_src('image', $post_id) ); 1149 $set_thumbnail_link = '<p class="hide-if-no-js"><a title="' . esc_attr__( 'Set featured image' ) . '" href="%s" id="set-post-thumbnail" class="thickbox">%s</a></p>'; 1150 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, esc_html__( 'Set featured image' ) ); 1151 1152 if ( $thumbnail_id && get_post( $thumbnail_id ) ) { 1153 $old_content_width = $content_width; 1154 $content_width = 266; 1155 if ( !isset( $_wp_additional_image_sizes['post-thumbnail'] ) ) 1156 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, array( $content_width, $content_width ) ); 1157 else 1158 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'post-thumbnail' ); 1159 if ( !empty( $thumbnail_html ) ) { 1160 $ajax_nonce = wp_create_nonce( "set_post_thumbnail-$post_id" ); 1161 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, $thumbnail_html ); 1162 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(\'' . $ajax_nonce . '\');return false;">' . esc_html__( 'Remove featured image' ) . '</a></p>'; 1163 } 1164 $content_width = $old_content_width; 1165 } 1166 1167 return apply_filters( 'admin_post_thumbnail_html', $content ); 1168 } 1169 1170 /** 1171 * Check to see if the post is currently being edited by another user. 1172 * 1173 * @since 2.5.0 1174 * 1175 * @param int $post_id ID of the post to check for editing 1176 * @return bool|int False: not locked or locked by current user. Int: user ID of user with lock. 1177 */ 1178 function wp_check_post_lock( $post_id ) { 1179 if ( !$post = get_post( $post_id ) ) 1180 return false; 1181 1182 if ( !$lock = get_post_meta( $post->ID, '_edit_lock', true ) ) 1183 return false; 1184 1185 $lock = explode( ':', $lock ); 1186 $time = $lock[0]; 1187 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true ); 1188 1189 $time_window = apply_filters( 'wp_check_post_lock_window', AUTOSAVE_INTERVAL * 2 ); 1190 1191 if ( $time && $time > time() - $time_window && $user != get_current_user_id() ) 1192 return $user; 1193 return false; 1194 } 1195 1196 /** 1197 * Mark the post as currently being edited by the current user 1198 * 1199 * @since 2.5.0 1200 * 1201 * @param int $post_id ID of the post to being edited 1202 * @return bool|array Returns false if the post doesn't exist of there is no current user, or 1203 * an array of the lock time and the user ID. 1204 */ 1205 function wp_set_post_lock( $post_id ) { 1206 if ( !$post = get_post( $post_id ) ) 1207 return false; 1208 if ( 0 == ($user_id = get_current_user_id()) ) 1209 return false; 1210 1211 $now = time(); 1212 $lock = "$now:$user_id"; 1213 1214 update_post_meta( $post->ID, '_edit_lock', $lock ); 1215 return array( $now, $user_id ); 1216 } 1217 1218 /** 1219 * Outputs the notice message to say that someone else is editing this post at the moment. 1220 * 1221 * @since 2.8.5 1222 * @return none 1223 */ 1224 function _admin_notice_post_locked() { 1225 global $post; 1226 1227 $lock = explode( ':', get_post_meta( $post->ID, '_edit_lock', true ) ); 1228 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true ); 1229 $last_user = get_userdata( $user ); 1230 $last_user_name = $last_user ? $last_user->display_name : __('Somebody'); 1231 1232 switch ($post->post_type) { 1233 case 'post': 1234 $message = __( 'Warning: %s is currently editing this post' ); 1235 break; 1236 case 'page': 1237 $message = __( 'Warning: %s is currently editing this page' ); 1238 break; 1239 default: 1240 $message = __( 'Warning: %s is currently editing this.' ); 1241 } 1242 1243 $message = sprintf( $message, esc_html( $last_user_name ) ); 1244 echo "<div class='error'><p>$message</p></div>"; 1245 } 1246 1247 /** 1248 * Creates autosave data for the specified post from $_POST data. 1249 * 1250 * @package WordPress 1251 * @subpackage Post_Revisions 1252 * @since 2.6.0 1253 * 1254 * @uses _wp_translate_postdata() 1255 * @uses _wp_post_revision_fields() 1256 * 1257 * @return unknown 1258 */ 1259 function wp_create_post_autosave( $post_id ) { 1260 $translated = _wp_translate_postdata( true ); 1261 if ( is_wp_error( $translated ) ) 1262 return $translated; 1263 1264 // Only store one autosave. If there is already an autosave, overwrite it. 1265 if ( $old_autosave = wp_get_post_autosave( $post_id ) ) { 1266 $new_autosave = _wp_post_revision_fields( $_POST, true ); 1267 $new_autosave['ID'] = $old_autosave->ID; 1268 $new_autosave['post_author'] = get_current_user_id(); 1269 return wp_update_post( $new_autosave ); 1270 } 1271 1272 // _wp_put_post_revision() expects unescaped. 1273 $_POST = stripslashes_deep($_POST); 1274 1275 // Otherwise create the new autosave as a special post revision 1276 return _wp_put_post_revision( $_POST, true ); 1277 } 1278 1279 /** 1280 * Save draft or manually autosave for showing preview. 1281 * 1282 * @package WordPress 1283 * @since 2.7.0 1284 * 1285 * @uses get_post_status() 1286 * @uses edit_post() 1287 * @uses get_post() 1288 * @uses current_user_can() 1289 * @uses wp_die() 1290 * @uses wp_create_post_autosave() 1291 * @uses add_query_arg() 1292 * @uses wp_create_nonce() 1293 * 1294 * @return str URL to redirect to show the preview 1295 */ 1296 function post_preview() { 1297 1298 $post_ID = (int) $_POST['post_ID']; 1299 $status = get_post_status( $post_ID ); 1300 if ( 'auto-draft' == $status ) 1301 wp_die( __('Preview not available. Please save as a draft first.') ); 1302 1303 if ( isset($_POST['catslist']) ) 1304 $_POST['post_category'] = explode(",", $_POST['catslist']); 1305 1306 if ( isset($_POST['tags_input']) ) 1307 $_POST['tags_input'] = explode(",", $_POST['tags_input']); 1308 1309 if ( $_POST['post_type'] == 'page' || empty($_POST['post_category']) ) 1310 unset($_POST['post_category']); 1311 1312 $_POST['ID'] = $post_ID; 1313 $post = get_post($post_ID); 1314 1315 if ( 'page' == $post->post_type ) { 1316 if ( !current_user_can('edit_page', $post_ID) ) 1317 wp_die(__('You are not allowed to edit this page.')); 1318 } else { 1319 if ( !current_user_can('edit_post', $post_ID) ) 1320 wp_die(__('You are not allowed to edit this post.')); 1321 } 1322 1323 if ( 'draft' == $post->post_status ) { 1324 $id = edit_post(); 1325 } else { // Non drafts are not overwritten. The autosave is stored in a special post revision. 1326 $id = wp_create_post_autosave( $post->ID ); 1327 if ( ! is_wp_error($id) ) 1328 $id = $post->ID; 1329 } 1330 1331 if ( is_wp_error($id) ) 1332 wp_die( $id->get_error_message() ); 1333 1334 if ( $_POST['post_status'] == 'draft' ) { 1335 $url = add_query_arg( 'preview', 'true', get_permalink($id) ); 1336 } else { 1337 $nonce = wp_create_nonce('post_preview_' . $id); 1338 $url = add_query_arg( array( 'preview' => 'true', 'preview_id' => $id, 'preview_nonce' => $nonce ), get_permalink($id) ); 1339 } 1340 1341 return $url; 1342 }
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| Generated: Fri May 25 03:56:23 2012 | Hosted by follow the white rabbit. |