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1 <?php 2 /** 3 * Post revision functions. 4 * 5 * @package WordPress 6 * @subpackage Post_Revisions 7 */ 8 9 /** 10 * Determines which fields of posts are to be saved in revisions. 11 * 12 * @since 2.6.0 13 * @since 4.5.0 A `WP_Post` object can now be passed to the `$post` parameter. 14 * @since 4.5.0 The optional `$autosave` parameter was deprecated and renamed to `$deprecated`. 15 * @access private 16 * 17 * @staticvar array $fields 18 * 19 * @param array|WP_Post $post Optional. A post array or a WP_Post object being processed 20 * for insertion as a post revision. Default empty array. 21 * @param bool $deprecated Not used. 22 * @return array Array of fields that can be versioned. 23 */ 24 function _wp_post_revision_fields( $post = array(), $deprecated = false ) { 25 static $fields = null; 26 27 if ( ! is_array( $post ) ) { 28 $post = get_post( $post, ARRAY_A ); 29 } 30 31 if ( is_null( $fields ) ) { 32 // Allow these to be versioned 33 $fields = array( 34 'post_title' => __( 'Title' ), 35 'post_content' => __( 'Content' ), 36 'post_excerpt' => __( 'Excerpt' ), 37 ); 38 } 39 40 /** 41 * Filters the list of fields saved in post revisions. 42 * 43 * Included by default: 'post_title', 'post_content' and 'post_excerpt'. 44 * 45 * Disallowed fields: 'ID', 'post_name', 'post_parent', 'post_date', 46 * 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 47 * and 'post_author'. 48 * 49 * @since 2.6.0 50 * @since 4.5.0 The `$post` parameter was added. 51 * 52 * @param array $fields List of fields to revision. Contains 'post_title', 53 * 'post_content', and 'post_excerpt' by default. 54 * @param array $post A post array being processed for insertion as a post revision. 55 */ 56 $fields = apply_filters( '_wp_post_revision_fields', $fields, $post ); 57 58 // WP uses these internally either in versioning or elsewhere - they cannot be versioned 59 foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect ) { 60 unset( $fields[ $protect ] ); 61 } 62 63 return $fields; 64 } 65 66 /** 67 * Returns a post array ready to be inserted into the posts table as a post revision. 68 * 69 * @since 4.5.0 70 * @access private 71 * 72 * @param array|WP_Post $post Optional. A post array or a WP_Post object to be processed 73 * for insertion as a post revision. Default empty array. 74 * @param bool $autosave Optional. Is the revision an autosave? Default false. 75 * @return array Post array ready to be inserted as a post revision. 76 */ 77 function _wp_post_revision_data( $post = array(), $autosave = false ) { 78 if ( ! is_array( $post ) ) { 79 $post = get_post( $post, ARRAY_A ); 80 } 81 82 $fields = _wp_post_revision_fields( $post ); 83 84 $revision_data = array(); 85 86 foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field ) { 87 $revision_data[ $field ] = $post[ $field ]; 88 } 89 90 $revision_data['post_parent'] = $post['ID']; 91 $revision_data['post_status'] = 'inherit'; 92 $revision_data['post_type'] = 'revision'; 93 $revision_data['post_name'] = $autosave ? "$post[ID]-autosave-v1" : "$post[ID]-revision-v1"; // "1" is the revisioning system version 94 $revision_data['post_date'] = isset( $post['post_modified'] ) ? $post['post_modified'] : ''; 95 $revision_data['post_date_gmt'] = isset( $post['post_modified_gmt'] ) ? $post['post_modified_gmt'] : ''; 96 97 return $revision_data; 98 } 99 100 /** 101 * Creates a revision for the current version of a post. 102 * 103 * Typically used immediately after a post update, as every update is a revision, 104 * and the most recent revision always matches the current post. 105 * 106 * @since 2.6.0 107 * 108 * @param int $post_id The ID of the post to save as a revision. 109 * @return int|WP_Error|void Void or 0 if error, new revision ID, if success. 110 */ 111 function wp_save_post_revision( $post_id ) { 112 if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { 113 return; 114 } 115 116 if ( ! $post = get_post( $post_id ) ) { 117 return; 118 } 119 120 if ( ! post_type_supports( $post->post_type, 'revisions' ) ) { 121 return; 122 } 123 124 if ( 'auto-draft' == $post->post_status ) { 125 return; 126 } 127 128 if ( ! wp_revisions_enabled( $post ) ) { 129 return; 130 } 131 132 // Compare the proposed update with the last stored revision verifying that 133 // they are different, unless a plugin tells us to always save regardless. 134 // If no previous revisions, save one 135 if ( $revisions = wp_get_post_revisions( $post_id ) ) { 136 // grab the last revision, but not an autosave 137 foreach ( $revisions as $revision ) { 138 if ( false !== strpos( $revision->post_name, "{$revision->post_parent}-revision" ) ) { 139 $last_revision = $revision; 140 break; 141 } 142 } 143 144 /** 145 * Filters whether the post has changed since the last revision. 146 * 147 * By default a revision is saved only if one of the revisioned fields has changed. 148 * This filter can override that so a revision is saved even if nothing has changed. 149 * 150 * @since 3.6.0 151 * 152 * @param bool $check_for_changes Whether to check for changes before saving a new revision. 153 * Default true. 154 * @param WP_Post $last_revision The last revision post object. 155 * @param WP_Post $post The post object. 156 */ 157 if ( isset( $last_revision ) && apply_filters( 'wp_save_post_revision_check_for_changes', $check_for_changes = true, $last_revision, $post ) ) { 158 $post_has_changed = false; 159 160 foreach ( array_keys( _wp_post_revision_fields( $post ) ) as $field ) { 161 if ( normalize_whitespace( $post->$field ) != normalize_whitespace( $last_revision->$field ) ) { 162 $post_has_changed = true; 163 break; 164 } 165 } 166 167 /** 168 * Filters whether a post has changed. 169 * 170 * By default a revision is saved only if one of the revisioned fields has changed. 171 * This filter allows for additional checks to determine if there were changes. 172 * 173 * @since 4.1.0 174 * 175 * @param bool $post_has_changed Whether the post has changed. 176 * @param WP_Post $last_revision The last revision post object. 177 * @param WP_Post $post The post object. 178 */ 179 $post_has_changed = (bool) apply_filters( 'wp_save_post_revision_post_has_changed', $post_has_changed, $last_revision, $post ); 180 181 //don't save revision if post unchanged 182 if ( ! $post_has_changed ) { 183 return; 184 } 185 } 186 } 187 188 $return = _wp_put_post_revision( $post ); 189 190 // If a limit for the number of revisions to keep has been set, 191 // delete the oldest ones. 192 $revisions_to_keep = wp_revisions_to_keep( $post ); 193 194 if ( $revisions_to_keep < 0 ) { 195 return $return; 196 } 197 198 $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) ); 199 200 $delete = count( $revisions ) - $revisions_to_keep; 201 202 if ( $delete < 1 ) { 203 return $return; 204 } 205 206 $revisions = array_slice( $revisions, 0, $delete ); 207 208 for ( $i = 0; isset( $revisions[ $i ] ); $i++ ) { 209 if ( false !== strpos( $revisions[ $i ]->post_name, 'autosave' ) ) { 210 continue; 211 } 212 213 wp_delete_post_revision( $revisions[ $i ]->ID ); 214 } 215 216 return $return; 217 } 218 219 /** 220 * Retrieve the autosaved data of the specified post. 221 * 222 * Returns a post object containing the information that was autosaved for the 223 * specified post. If the optional $user_id is passed, returns the autosave for that user 224 * otherwise returns the latest autosave. 225 * 226 * @since 2.6.0 227 * 228 * @param int $post_id The post ID. 229 * @param int $user_id Optional The post author ID. 230 * @return WP_Post|false The autosaved data or false on failure or when no autosave exists. 231 */ 232 function wp_get_post_autosave( $post_id, $user_id = 0 ) { 233 $revisions = wp_get_post_revisions( $post_id, array( 'check_enabled' => false ) ); 234 235 foreach ( $revisions as $revision ) { 236 if ( false !== strpos( $revision->post_name, "{$post_id}-autosave" ) ) { 237 if ( $user_id && $user_id != $revision->post_author ) { 238 continue; 239 } 240 241 return $revision; 242 } 243 } 244 245 return false; 246 } 247 248 /** 249 * Determines if the specified post is a revision. 250 * 251 * @since 2.6.0 252 * 253 * @param int|WP_Post $post Post ID or post object. 254 * @return false|int False if not a revision, ID of revision's parent otherwise. 255 */ 256 function wp_is_post_revision( $post ) { 257 if ( ! $post = wp_get_post_revision( $post ) ) { 258 return false; 259 } 260 261 return (int) $post->post_parent; 262 } 263 264 /** 265 * Determines if the specified post is an autosave. 266 * 267 * @since 2.6.0 268 * 269 * @param int|WP_Post $post Post ID or post object. 270 * @return false|int False if not a revision, ID of autosave's parent otherwise 271 */ 272 function wp_is_post_autosave( $post ) { 273 if ( ! $post = wp_get_post_revision( $post ) ) { 274 return false; 275 } 276 277 if ( false !== strpos( $post->post_name, "{$post->post_parent}-autosave" ) ) { 278 return (int) $post->post_parent; 279 } 280 281 return false; 282 } 283 284 /** 285 * Inserts post data into the posts table as a post revision. 286 * 287 * @since 2.6.0 288 * @access private 289 * 290 * @param int|WP_Post|array|null $post Post ID, post object OR post array. 291 * @param bool $autosave Optional. Is the revision an autosave? 292 * @return int|WP_Error WP_Error or 0 if error, new revision ID if success. 293 */ 294 function _wp_put_post_revision( $post = null, $autosave = false ) { 295 if ( is_object( $post ) ) { 296 $post = get_object_vars( $post ); 297 } elseif ( ! is_array( $post ) ) { 298 $post = get_post( $post, ARRAY_A ); 299 } 300 301 if ( ! $post || empty( $post['ID'] ) ) { 302 return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); 303 } 304 305 if ( isset( $post['post_type'] ) && 'revision' == $post['post_type'] ) { 306 return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) ); 307 } 308 309 $post = _wp_post_revision_data( $post, $autosave ); 310 $post = wp_slash( $post ); //since data is from db 311 312 $revision_id = wp_insert_post( $post ); 313 if ( is_wp_error( $revision_id ) ) { 314 return $revision_id; 315 } 316 317 if ( $revision_id ) { 318 /** 319 * Fires once a revision has been saved. 320 * 321 * @since 2.6.0 322 * 323 * @param int $revision_id Post revision ID. 324 */ 325 do_action( '_wp_put_post_revision', $revision_id ); 326 } 327 328 return $revision_id; 329 } 330 331 /** 332 * Gets a post revision. 333 * 334 * @since 2.6.0 335 * 336 * @param int|WP_Post $post The post ID or object. 337 * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to 338 * a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT. 339 * @param string $filter Optional sanitation filter. See sanitize_post(). 340 * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. 341 */ 342 function wp_get_post_revision( &$post, $output = OBJECT, $filter = 'raw' ) { 343 if ( ! $revision = get_post( $post, OBJECT, $filter ) ) { 344 return $revision; 345 } 346 if ( 'revision' !== $revision->post_type ) { 347 return null; 348 } 349 350 if ( $output == OBJECT ) { 351 return $revision; 352 } elseif ( $output == ARRAY_A ) { 353 $_revision = get_object_vars( $revision ); 354 return $_revision; 355 } elseif ( $output == ARRAY_N ) { 356 $_revision = array_values( get_object_vars( $revision ) ); 357 return $_revision; 358 } 359 360 return $revision; 361 } 362 363 /** 364 * Restores a post to the specified revision. 365 * 366 * Can restore a past revision using all fields of the post revision, or only selected fields. 367 * 368 * @since 2.6.0 369 * 370 * @param int|WP_Post $revision_id Revision ID or revision object. 371 * @param array $fields Optional. What fields to restore from. Defaults to all. 372 * @return int|false|null Null if error, false if no fields to restore, (int) post ID if success. 373 */ 374 function wp_restore_post_revision( $revision_id, $fields = null ) { 375 if ( ! $revision = wp_get_post_revision( $revision_id, ARRAY_A ) ) { 376 return $revision; 377 } 378 379 if ( ! is_array( $fields ) ) { 380 $fields = array_keys( _wp_post_revision_fields( $revision ) ); 381 } 382 383 $update = array(); 384 foreach ( array_intersect( array_keys( $revision ), $fields ) as $field ) { 385 $update[ $field ] = $revision[ $field ]; 386 } 387 388 if ( ! $update ) { 389 return false; 390 } 391 392 $update['ID'] = $revision['post_parent']; 393 394 $update = wp_slash( $update ); //since data is from db 395 396 $post_id = wp_update_post( $update ); 397 if ( ! $post_id || is_wp_error( $post_id ) ) { 398 return $post_id; 399 } 400 401 // Update last edit user 402 update_post_meta( $post_id, '_edit_last', get_current_user_id() ); 403 404 /** 405 * Fires after a post revision has been restored. 406 * 407 * @since 2.6.0 408 * 409 * @param int $post_id Post ID. 410 * @param int $revision_id Post revision ID. 411 */ 412 do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] ); 413 414 return $post_id; 415 } 416 417 /** 418 * Deletes a revision. 419 * 420 * Deletes the row from the posts table corresponding to the specified revision. 421 * 422 * @since 2.6.0 423 * 424 * @param int|WP_Post $revision_id Revision ID or revision object. 425 * @return array|false|WP_Post|WP_Error|null Null or WP_Error if error, deleted post if success. 426 */ 427 function wp_delete_post_revision( $revision_id ) { 428 if ( ! $revision = wp_get_post_revision( $revision_id ) ) { 429 return $revision; 430 } 431 432 $delete = wp_delete_post( $revision->ID ); 433 if ( $delete ) { 434 /** 435 * Fires once a post revision has been deleted. 436 * 437 * @since 2.6.0 438 * 439 * @param int $revision_id Post revision ID. 440 * @param object|array $revision Post revision object or array. 441 */ 442 do_action( 'wp_delete_post_revision', $revision->ID, $revision ); 443 } 444 445 return $delete; 446 } 447 448 /** 449 * Returns all revisions of specified post. 450 * 451 * @since 2.6.0 452 * 453 * @see get_children() 454 * 455 * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global `$post`. 456 * @param array|null $args Optional. Arguments for retrieving post revisions. Default null. 457 * @return array An array of revisions, or an empty array if none. 458 */ 459 function wp_get_post_revisions( $post_id = 0, $args = null ) { 460 $post = get_post( $post_id ); 461 if ( ! $post || empty( $post->ID ) ) { 462 return array(); 463 } 464 465 $defaults = array( 466 'order' => 'DESC', 467 'orderby' => 'date ID', 468 'check_enabled' => true, 469 ); 470 $args = wp_parse_args( $args, $defaults ); 471 472 if ( $args['check_enabled'] && ! wp_revisions_enabled( $post ) ) { 473 return array(); 474 } 475 476 $args = array_merge( 477 $args, 478 array( 479 'post_parent' => $post->ID, 480 'post_type' => 'revision', 481 'post_status' => 'inherit', 482 ) 483 ); 484 485 if ( ! $revisions = get_children( $args ) ) { 486 return array(); 487 } 488 489 return $revisions; 490 } 491 492 /** 493 * Determine if revisions are enabled for a given post. 494 * 495 * @since 3.6.0 496 * 497 * @param WP_Post $post The post object. 498 * @return bool True if number of revisions to keep isn't zero, false otherwise. 499 */ 500 function wp_revisions_enabled( $post ) { 501 return wp_revisions_to_keep( $post ) !== 0; 502 } 503 504 /** 505 * Determine how many revisions to retain for a given post. 506 * 507 * By default, an infinite number of revisions are kept. 508 * 509 * The constant WP_POST_REVISIONS can be set in wp-config to specify the limit 510 * of revisions to keep. 511 * 512 * @since 3.6.0 513 * 514 * @param WP_Post $post The post object. 515 * @return int The number of revisions to keep. 516 */ 517 function wp_revisions_to_keep( $post ) { 518 $num = WP_POST_REVISIONS; 519 520 if ( true === $num ) { 521 $num = -1; 522 } else { 523 $num = intval( $num ); 524 } 525 526 if ( ! post_type_supports( $post->post_type, 'revisions' ) ) { 527 $num = 0; 528 } 529 530 /** 531 * Filters the number of revisions to save for the given post. 532 * 533 * Overrides the value of WP_POST_REVISIONS. 534 * 535 * @since 3.6.0 536 * 537 * @param int $num Number of revisions to store. 538 * @param WP_Post $post Post object. 539 */ 540 return (int) apply_filters( 'wp_revisions_to_keep', $num, $post ); 541 } 542 543 /** 544 * Sets up the post object for preview based on the post autosave. 545 * 546 * @since 2.7.0 547 * @access private 548 * 549 * @param WP_Post $post 550 * @return WP_Post|false 551 */ 552 function _set_preview( $post ) { 553 if ( ! is_object( $post ) ) { 554 return $post; 555 } 556 557 $preview = wp_get_post_autosave( $post->ID ); 558 if ( ! is_object( $preview ) ) { 559 return $post; 560 } 561 562 $preview = sanitize_post( $preview ); 563 564 $post->post_content = $preview->post_content; 565 $post->post_title = $preview->post_title; 566 $post->post_excerpt = $preview->post_excerpt; 567 568 add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 ); 569 add_filter( 'get_post_metadata', '_wp_preview_post_thumbnail_filter', 10, 3 ); 570 571 return $post; 572 } 573 574 /** 575 * Filters the latest content for preview from the post autosave. 576 * 577 * @since 2.7.0 578 * @access private 579 */ 580 function _show_post_preview() { 581 if ( isset( $_GET['preview_id'] ) && isset( $_GET['preview_nonce'] ) ) { 582 $id = (int) $_GET['preview_id']; 583 584 if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) { 585 wp_die( __( 'Sorry, you are not allowed to preview drafts.' ), 403 ); 586 } 587 588 add_filter( 'the_preview', '_set_preview' ); 589 } 590 } 591 592 /** 593 * Filters terms lookup to set the post format. 594 * 595 * @since 3.6.0 596 * @access private 597 * 598 * @param array $terms 599 * @param int $post_id 600 * @param string $taxonomy 601 * @return array 602 */ 603 function _wp_preview_terms_filter( $terms, $post_id, $taxonomy ) { 604 if ( ! $post = get_post() ) { 605 return $terms; 606 } 607 608 if ( empty( $_REQUEST['post_format'] ) || $post->ID != $post_id || 'post_format' != $taxonomy || 'revision' == $post->post_type ) { 609 return $terms; 610 } 611 612 if ( 'standard' == $_REQUEST['post_format'] ) { 613 $terms = array(); 614 } elseif ( $term = get_term_by( 'slug', 'post-format-' . sanitize_key( $_REQUEST['post_format'] ), 'post_format' ) ) { 615 $terms = array( $term ); // Can only have one post format 616 } 617 618 return $terms; 619 } 620 621 /** 622 * Filters post thumbnail lookup to set the post thumbnail. 623 * 624 * @since 4.6.0 625 * @access private 626 * 627 * @param null|array|string $value The value to return - a single metadata value, or an array of values. 628 * @param int $post_id Post ID. 629 * @param string $meta_key Meta key. 630 * @return null|array The default return value or the post thumbnail meta array. 631 */ 632 function _wp_preview_post_thumbnail_filter( $value, $post_id, $meta_key ) { 633 if ( ! $post = get_post() ) { 634 return $value; 635 } 636 637 if ( empty( $_REQUEST['_thumbnail_id'] ) || 638 empty( $_REQUEST['preview_id'] ) || 639 $post->ID != $post_id || 640 '_thumbnail_id' != $meta_key || 641 'revision' == $post->post_type || 642 $post_id != $_REQUEST['preview_id'] ) { 643 644 return $value; 645 } 646 647 $thumbnail_id = intval( $_REQUEST['_thumbnail_id'] ); 648 if ( $thumbnail_id <= 0 ) { 649 return ''; 650 } 651 652 return strval( $thumbnail_id ); 653 } 654 655 /** 656 * Gets the post revision version. 657 * 658 * @since 3.6.0 659 * @access private 660 * 661 * @param WP_Post $revision 662 * @return int|false 663 */ 664 function _wp_get_post_revision_version( $revision ) { 665 if ( is_object( $revision ) ) { 666 $revision = get_object_vars( $revision ); 667 } elseif ( ! is_array( $revision ) ) { 668 return false; 669 } 670 671 if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) ) { 672 return (int) $matches[1]; 673 } 674 675 return 0; 676 } 677 678 /** 679 * Upgrade the revisions author, add the current post as a revision and set the revisions version to 1 680 * 681 * @since 3.6.0 682 * @access private 683 * 684 * @global wpdb $wpdb WordPress database abstraction object. 685 * 686 * @param WP_Post $post Post object 687 * @param array $revisions Current revisions of the post 688 * @return bool true if the revisions were upgraded, false if problems 689 */ 690 function _wp_upgrade_revisions_of_post( $post, $revisions ) { 691 global $wpdb; 692 693 // Add post option exclusively 694 $lock = "revision-upgrade-{$post->ID}"; 695 $now = time(); 696 $result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no') /* LOCK */", $lock, $now ) ); 697 if ( ! $result ) { 698 // If we couldn't get a lock, see how old the previous lock is 699 $locked = get_option( $lock ); 700 if ( ! $locked ) { 701 // Can't write to the lock, and can't read the lock. 702 // Something broken has happened 703 return false; 704 } 705 706 if ( $locked > $now - 3600 ) { 707 // Lock is not too old: some other process may be upgrading this post. Bail. 708 return false; 709 } 710 711 // Lock is too old - update it (below) and continue 712 } 713 714 // If we could get a lock, re-"add" the option to fire all the correct filters. 715 update_option( $lock, $now ); 716 717 reset( $revisions ); 718 $add_last = true; 719 720 do { 721 $this_revision = current( $revisions ); 722 $prev_revision = next( $revisions ); 723 724 $this_revision_version = _wp_get_post_revision_version( $this_revision ); 725 726 // Something terrible happened 727 if ( false === $this_revision_version ) { 728 continue; 729 } 730 731 // 1 is the latest revision version, so we're already up to date. 732 // No need to add a copy of the post as latest revision. 733 if ( 0 < $this_revision_version ) { 734 $add_last = false; 735 continue; 736 } 737 738 // Always update the revision version 739 $update = array( 740 'post_name' => preg_replace( '/^(\d+-(?:autosave|revision))[\d-]*$/', '$1-v1', $this_revision->post_name ), 741 ); 742 743 // If this revision is the oldest revision of the post, i.e. no $prev_revision, 744 // the correct post_author is probably $post->post_author, but that's only a good guess. 745 // Update the revision version only and Leave the author as-is. 746 if ( $prev_revision ) { 747 $prev_revision_version = _wp_get_post_revision_version( $prev_revision ); 748 749 // If the previous revision is already up to date, it no longer has the information we need :( 750 if ( $prev_revision_version < 1 ) { 751 $update['post_author'] = $prev_revision->post_author; 752 } 753 } 754 755 // Upgrade this revision 756 $result = $wpdb->update( $wpdb->posts, $update, array( 'ID' => $this_revision->ID ) ); 757 758 if ( $result ) { 759 wp_cache_delete( $this_revision->ID, 'posts' ); 760 } 761 } while ( $prev_revision ); 762 763 delete_option( $lock ); 764 765 // Add a copy of the post as latest revision. 766 if ( $add_last ) { 767 wp_save_post_revision( $post->ID ); 768 } 769 770 return true; 771 }
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| Generated: Mon Jun 24 08:20:01 2019 | Cross-referenced by PHPXref 0.7 |