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1 <?php 2 /** 3 * Comment API: WP_Comment_Query class 4 * 5 * @package WordPress 6 * @subpackage Comments 7 * @since 4.4.0 8 */ 9 10 /** 11 * Core class used for querying comments. 12 * 13 * @since 3.1.0 14 * 15 * @see WP_Comment_Query::__construct() for accepted arguments. 16 */ 17 #[AllowDynamicProperties] 18 class WP_Comment_Query { 19 20 /** 21 * SQL for database query. 22 * 23 * @since 4.0.1 24 * @var string 25 */ 26 public $request; 27 28 /** 29 * Metadata query container 30 * 31 * @since 3.5.0 32 * @var WP_Meta_Query A meta query instance. 33 */ 34 public $meta_query = false; 35 36 /** 37 * Metadata query clauses. 38 * 39 * @since 4.4.0 40 * @var array 41 */ 42 protected $meta_query_clauses; 43 44 /** 45 * SQL query clauses. 46 * 47 * @since 4.4.0 48 * @var array 49 */ 50 protected $sql_clauses = array( 51 'select' => '', 52 'from' => '', 53 'where' => array(), 54 'groupby' => '', 55 'orderby' => '', 56 'limits' => '', 57 ); 58 59 /** 60 * SQL WHERE clause. 61 * 62 * Stored after the {@see 'comments_clauses'} filter is run on the compiled WHERE sub-clauses. 63 * 64 * @since 4.4.2 65 * @var string 66 */ 67 protected $filtered_where_clause; 68 69 /** 70 * Date query container 71 * 72 * @since 3.7.0 73 * @var WP_Date_Query A date query instance. 74 */ 75 public $date_query = false; 76 77 /** 78 * Query vars set by the user. 79 * 80 * @since 3.1.0 81 * @var array 82 */ 83 public $query_vars; 84 85 /** 86 * Default values for query vars. 87 * 88 * @since 4.2.0 89 * @var array 90 */ 91 public $query_var_defaults; 92 93 /** 94 * List of comments located by the query. 95 * 96 * Null until a query has been run. 97 * 98 * @since 4.0.0 99 * @var int[]|WP_Comment[]|null 100 * @phpstan-var non-negative-int[]|array<int, WP_Comment>|null 101 */ 102 public $comments; 103 104 /** 105 * The amount of found comments for the current query. 106 * 107 * @since 4.4.0 108 * @var int 109 * @phpstan-var non-negative-int 110 */ 111 public $found_comments = 0; 112 113 /** 114 * The number of pages. 115 * 116 * @since 4.4.0 117 * @var int 118 * @phpstan-var non-negative-int 119 */ 120 public $max_num_pages = 0; 121 122 /** 123 * Make private/protected methods readable for backward compatibility. 124 * 125 * @since 4.0.0 126 * 127 * @param string $name Method to call. 128 * @param array $arguments Arguments to pass when calling. 129 * @return mixed|false Return value of the callback, false otherwise. 130 */ 131 public function __call( $name, $arguments ) { 132 if ( 'get_search_sql' === $name ) { 133 return $this->get_search_sql( ...$arguments ); 134 } 135 return false; 136 } 137 138 /** 139 * Constructor. 140 * 141 * Sets up the comment query, based on the query vars passed. 142 * 143 * @since 4.2.0 144 * @since 4.4.0 `$parent__in` and `$parent__not_in` were added. 145 * @since 4.4.0 Order by `comment__in` was added. `$update_comment_meta_cache`, `$no_found_rows`, 146 * `$hierarchical`, and `$update_comment_post_cache` were added. 147 * @since 4.5.0 Introduced the `$author_url` argument. 148 * @since 4.6.0 Introduced the `$cache_domain` argument. 149 * @since 4.9.0 Introduced the `$paged` argument. 150 * @since 5.1.0 Introduced the `$meta_compare_key` argument. 151 * @since 5.3.0 Introduced the `$meta_type_key` argument. 152 * 153 * @param string|array $query { 154 * Optional. Array or query string of comment query parameters. Default empty. 155 * 156 * @type string $author_email Comment author email address. Default empty. 157 * @type string $author_url Comment author URL. Default empty. 158 * @type int[] $author__in Array of author IDs to include comments for. Default empty. 159 * @type int[] $author__not_in Array of author IDs to exclude comments for. Default empty. 160 * @type int[] $comment__in Array of comment IDs to include. Default empty. 161 * @type int[] $comment__not_in Array of comment IDs to exclude. Default empty. 162 * @type bool $count Whether to return a comment count (true) or array of 163 * comment objects (false). Default false. 164 * @type array $date_query Date query clauses to limit comments by. See WP_Date_Query. 165 * Default null. 166 * @type string $fields Comment fields to return. Accepts 'ids' for comment IDs 167 * only or empty for all fields. Default empty. 168 * @type array $include_unapproved Array of IDs or email addresses of users whose unapproved 169 * comments will be returned by the query regardless of 170 * `$status`. Default empty. 171 * @type int $karma Karma score to retrieve matching comments for. 172 * Default empty. 173 * @type string|string[] $meta_key Meta key or keys to filter by. 174 * @type string|string[] $meta_value Meta value or values to filter by. 175 * @type string $meta_compare MySQL operator used for comparing the meta value. 176 * See WP_Meta_Query::__construct() for accepted values and default value. 177 * @type string $meta_compare_key MySQL operator used for comparing the meta key. 178 * See WP_Meta_Query::__construct() for accepted values and default value. 179 * @type string $meta_type MySQL data type that the meta_value column will be CAST to for comparisons. 180 * See WP_Meta_Query::__construct() for accepted values and default value. 181 * @type string $meta_type_key MySQL data type that the meta_key column will be CAST to for comparisons. 182 * See WP_Meta_Query::__construct() for accepted values and default value. 183 * @type array $meta_query An associative array of WP_Meta_Query arguments. 184 * See WP_Meta_Query::__construct() for accepted values. 185 * @type int $number Maximum number of comments to retrieve. 186 * Default empty (no limit). 187 * @type int $paged When used with `$number`, defines the page of results to return. 188 * When used with `$offset`, `$offset` takes precedence. Default 1. 189 * @type int $offset Number of comments to offset the query. Used to build 190 * LIMIT clause. Default 0. 191 * @type bool $no_found_rows Whether to disable the `SQL_CALC_FOUND_ROWS` query. 192 * Default: true. 193 * @type string|array $orderby Comment status or array of statuses. To use 'meta_value' 194 * or 'meta_value_num', `$meta_key` must also be defined. 195 * To sort by a specific `$meta_query` clause, use that 196 * clause's array key. Accepts: 197 * - 'comment_agent' 198 * - 'comment_approved' 199 * - 'comment_author' 200 * - 'comment_author_email' 201 * - 'comment_author_IP' 202 * - 'comment_author_url' 203 * - 'comment_content' 204 * - 'comment_date' 205 * - 'comment_date_gmt' 206 * - 'comment_ID' 207 * - 'comment_karma' 208 * - 'comment_parent' 209 * - 'comment_post_ID' 210 * - 'comment_type' 211 * - 'user_id' 212 * - 'comment__in' 213 * - 'meta_value' 214 * - 'meta_value_num' 215 * - The value of `$meta_key` 216 * - The array keys of `$meta_query` 217 * - false, an empty array, or 'none' to disable `ORDER BY` clause. 218 * Default: 'comment_date_gmt'. 219 * @type string $order How to order retrieved comments. Accepts 'ASC', 'DESC'. 220 * Default: 'DESC'. 221 * @type int $parent Parent ID of comment to retrieve children of. 222 * Default empty. 223 * @type int[] $parent__in Array of parent IDs of comments to retrieve children for. 224 * Default empty. 225 * @type int[] $parent__not_in Array of parent IDs of comments *not* to retrieve 226 * children for. Default empty. 227 * @type int[] $post_author__in Array of author IDs to retrieve comments for. 228 * Default empty. 229 * @type int[] $post_author__not_in Array of author IDs *not* to retrieve comments for. 230 * Default empty. 231 * @type int $post_id Limit results to those affiliated with a given post ID. 232 * Default 0. 233 * @type int[] $post__in Array of post IDs to include affiliated comments for. 234 * Default empty. 235 * @type int[] $post__not_in Array of post IDs to exclude affiliated comments for. 236 * Default empty. 237 * @type int $post_author Post author ID to limit results by. Default empty. 238 * @type string|string[] $post_status Post status or array of post statuses to retrieve 239 * affiliated comments for. Pass 'any' to match any value. 240 * Default empty. 241 * @type string|string[] $post_type Post type or array of post types to retrieve affiliated 242 * comments for. Pass 'any' to match any value. Default empty. 243 * @type string $post_name Post name to retrieve affiliated comments for. 244 * Default empty. 245 * @type int $post_parent Post parent ID to retrieve affiliated comments for. 246 * Default empty. 247 * @type string $search Search term(s) to retrieve matching comments for. 248 * Default empty. 249 * @type string|array $status Comment statuses to limit results by. Accepts an array 250 * or space/comma-separated list of 'hold' (`comment_status=0`), 251 * 'approve' (`comment_status=1`), 'all', or a custom 252 * comment status. Default 'all'. 253 * @type string|string[] $type Include comments of a given type, or array of types. 254 * Accepts 'comment', 'pings' (includes 'pingback' and 255 * 'trackback'), or any custom type string. Default empty. 256 * @type string[] $type__in Include comments from a given array of comment types. 257 * Default empty. 258 * @type string[] $type__not_in Exclude comments from a given array of comment types. 259 * Default empty. 260 * @type int $user_id Include comments for a specific user ID. Default empty. 261 * @type bool|string $hierarchical Whether to include comment descendants in the results. 262 * - 'threaded' returns a tree, with each comment's children 263 * stored in a `children` property on the `WP_Comment` object. 264 * - 'flat' returns a flat array of found comments plus 265 * their children. 266 * - Boolean `false` leaves out descendants. 267 * The parameter is ignored (forced to `false`) when 268 * `$fields` is 'ids' or 'counts'. Accepts 'threaded', 269 * 'flat', or false. Default: false. 270 * @type string $cache_domain Unique cache key to be produced when this query is stored in 271 * an object cache. Default is 'core'. 272 * @type bool $update_comment_meta_cache Whether to prime the metadata cache for found comments. 273 * Default true. 274 * @type bool $update_comment_post_cache Whether to prime the cache for comment posts. 275 * Default false. 276 * } 277 */ 278 public function __construct( $query = '' ) { 279 $this->query_var_defaults = array( 280 'author_email' => '', 281 'author_url' => '', 282 'author__in' => '', 283 'author__not_in' => '', 284 'include_unapproved' => '', 285 'fields' => '', 286 'ID' => '', 287 'comment__in' => '', 288 'comment__not_in' => '', 289 'karma' => '', 290 'number' => '', 291 'offset' => '', 292 'no_found_rows' => true, 293 'orderby' => '', 294 'order' => 'DESC', 295 'paged' => 1, 296 'parent' => '', 297 'parent__in' => '', 298 'parent__not_in' => '', 299 'post_author__in' => '', 300 'post_author__not_in' => '', 301 'post_ID' => '', 302 'post_id' => 0, 303 'post__in' => '', 304 'post__not_in' => '', 305 'post_author' => '', 306 'post_name' => '', 307 'post_parent' => '', 308 'post_status' => '', 309 'post_type' => '', 310 'status' => 'all', 311 'type' => '', 312 'type__in' => '', 313 'type__not_in' => '', 314 'user_id' => '', 315 'search' => '', 316 'count' => false, 317 'meta_key' => '', 318 'meta_value' => '', 319 'meta_query' => '', 320 'date_query' => null, // See WP_Date_Query. 321 'hierarchical' => false, 322 'cache_domain' => 'core', 323 'update_comment_meta_cache' => true, 324 'update_comment_post_cache' => false, 325 ); 326 327 if ( ! empty( $query ) ) { 328 $this->query( $query ); 329 } 330 } 331 332 /** 333 * Parse arguments passed to the comment query with default query parameters. 334 * 335 * @since 4.2.0 Extracted from WP_Comment_Query::query(). 336 * 337 * @param string|array $query WP_Comment_Query arguments. See WP_Comment_Query::__construct() for accepted arguments. 338 */ 339 public function parse_query( $query = '' ) { 340 if ( empty( $query ) ) { 341 $query = $this->query_vars; 342 } 343 344 $this->query_vars = wp_parse_args( $query, $this->query_var_defaults ); 345 346 /** 347 * Fires after the comment query vars have been parsed. 348 * 349 * @since 4.2.0 350 * 351 * @param WP_Comment_Query $query The WP_Comment_Query instance (passed by reference). 352 */ 353 do_action_ref_array( 'parse_comment_query', array( &$this ) ); 354 } 355 356 /** 357 * Sets up the WordPress query for retrieving comments. 358 * 359 * @since 3.1.0 360 * @since 4.1.0 Introduced 'comment__in', 'comment__not_in', 'post_author__in', 361 * 'post_author__not_in', 'author__in', 'author__not_in', 'post__in', 362 * 'post__not_in', 'include_unapproved', 'type__in', and 'type__not_in' 363 * arguments to $query_vars. 364 * @since 4.2.0 Moved parsing to WP_Comment_Query::parse_query(). 365 * 366 * @param string|array $query Array or URL query string of parameters. 367 * @return WP_Comment[]|int[]|int List of comments, or number of comments when 'count' is passed as a query var. 368 * 369 * @phpstan-return ( 370 * $query is array{ count: true, ... } ? non-negative-int : ( 371 * $query is array{ fields: 'ids', ... } ? non-negative-int[] : array<int, WP_Comment> 372 * ) 373 * ) 374 */ 375 public function query( $query ) { 376 $this->query_vars = wp_parse_args( $query ); 377 return $this->get_comments(); 378 } 379 380 /** 381 * Get a list of comments matching the query vars. 382 * 383 * @since 4.2.0 384 * 385 * @global wpdb $wpdb WordPress database abstraction object. 386 * 387 * @return int|int[]|WP_Comment[] List of comments or number of found comments if `$count` argument is true. 388 * @phpstan-return array<int, WP_Comment>|non-negative-int[]|non-negative-int 389 */ 390 public function get_comments() { 391 global $wpdb; 392 393 $this->parse_query(); 394 395 // Parse meta query. 396 $this->meta_query = new WP_Meta_Query(); 397 $this->meta_query->parse_query_vars( $this->query_vars ); 398 399 /** 400 * Fires before comments are retrieved. 401 * 402 * @since 3.1.0 403 * 404 * @param WP_Comment_Query $query Current instance of WP_Comment_Query (passed by reference). 405 */ 406 do_action_ref_array( 'pre_get_comments', array( &$this ) ); 407 408 // Reparse query vars, in case they were modified in a 'pre_get_comments' callback. 409 $this->meta_query->parse_query_vars( $this->query_vars ); 410 if ( ! empty( $this->meta_query->queries ) ) { 411 $this->meta_query_clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this ); 412 } 413 414 $comment_data = null; 415 416 /** 417 * Filters the comments data before the query takes place. 418 * 419 * Return a non-null value to bypass WordPress' default comment queries. 420 * 421 * The expected return type from this filter depends on the value passed 422 * in the request query vars: 423 * - When `$this->query_vars['count']` is set, the filter should return 424 * the comment count as an integer. 425 * - When `'ids' === $this->query_vars['fields']`, the filter should return 426 * an array of comment IDs. 427 * - Otherwise the filter should return an array of WP_Comment objects. 428 * 429 * Note that if the filter returns an array of comment data, it will be assigned 430 * to the `comments` property of the current WP_Comment_Query instance. 431 * 432 * Filtering functions that require pagination information are encouraged to set 433 * the `found_comments` and `max_num_pages` properties of the WP_Comment_Query object, 434 * passed to the filter by reference. If WP_Comment_Query does not perform a database 435 * query, it will not have enough information to generate these values itself. 436 * 437 * @since 5.3.0 438 * @since 5.6.0 The returned array of comment data is assigned to the `comments` property 439 * of the current WP_Comment_Query instance. 440 * 441 * @param array|int|null $comment_data Return an array of comment data to short-circuit WP's comment query, 442 * the comment count as an integer if `$this->query_vars['count']` is set, 443 * or null to allow WP to run its normal queries. 444 * @param WP_Comment_Query $query The WP_Comment_Query instance, passed by reference. 445 */ 446 $comment_data = apply_filters_ref_array( 'comments_pre_query', array( $comment_data, &$this ) ); 447 448 if ( null !== $comment_data ) { 449 if ( is_array( $comment_data ) && ! $this->query_vars['count'] ) { 450 $this->comments = $comment_data; 451 } 452 453 return $comment_data; 454 } 455 456 /* 457 * Only use the args defined in the query_var_defaults to compute the key, 458 * but ignore 'fields', 'update_comment_meta_cache', 'update_comment_post_cache' which does not affect query results. 459 */ 460 $_args = wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) ); 461 unset( $_args['fields'], $_args['update_comment_meta_cache'], $_args['update_comment_post_cache'] ); 462 463 $key = md5( serialize( $_args ) ); 464 $last_changed = wp_cache_get_last_changed( 'comment' ); 465 466 $cache_key = "get_comments:$key"; 467 $cache_value = wp_cache_get_salted( $cache_key, 'comment-queries', $last_changed ); 468 if ( false === $cache_value ) { 469 $comment_ids = $this->get_comment_ids(); 470 if ( $comment_ids ) { 471 $this->set_found_comments(); 472 } 473 474 $cache_value = array( 475 'comment_ids' => $comment_ids, 476 'found_comments' => $this->found_comments, 477 ); 478 wp_cache_set_salted( $cache_key, $cache_value, 'comment-queries', $last_changed ); 479 } else { 480 $comment_ids = $cache_value['comment_ids']; 481 $this->found_comments = $cache_value['found_comments']; 482 } 483 484 if ( $this->found_comments && $this->query_vars['number'] ) { 485 $this->max_num_pages = (int) ceil( $this->found_comments / $this->query_vars['number'] ); 486 } 487 488 // If querying for a count only, there's nothing more to do. 489 if ( $this->query_vars['count'] ) { 490 // $comment_ids is actually a count in this case. 491 return (int) $comment_ids; 492 } 493 494 $comment_ids = array_map( 'intval', $comment_ids ); 495 496 if ( $this->query_vars['update_comment_meta_cache'] ) { 497 wp_lazyload_comment_meta( $comment_ids ); 498 } 499 500 if ( 'ids' === $this->query_vars['fields'] ) { 501 $this->comments = $comment_ids; 502 return $this->comments; 503 } 504 505 _prime_comment_caches( $comment_ids, false ); 506 507 // Fetch full comment objects from the primed cache. 508 $_comments = array(); 509 foreach ( $comment_ids as $comment_id ) { 510 $_comment = get_comment( $comment_id ); 511 if ( $_comment ) { 512 $_comments[] = $_comment; 513 } 514 } 515 516 // Prime comment post caches. 517 if ( $this->query_vars['update_comment_post_cache'] ) { 518 $comment_post_ids = array(); 519 foreach ( $_comments as $_comment ) { 520 $comment_post_ids[] = $_comment->comment_post_ID; 521 } 522 523 _prime_post_caches( $comment_post_ids, false, false ); 524 } 525 526 /** 527 * Filters the comment query results. 528 * 529 * @since 3.1.0 530 * 531 * @param WP_Comment[] $_comments An array of comments. 532 * @param WP_Comment_Query $query Current instance of WP_Comment_Query (passed by reference). 533 */ 534 $_comments = apply_filters_ref_array( 'the_comments', array( $_comments, &$this ) ); 535 536 // Convert to WP_Comment instances. 537 $comments = array_map( 'get_comment', $_comments ); 538 539 if ( $this->query_vars['hierarchical'] ) { 540 $comments = $this->fill_descendants( $comments ); 541 } 542 543 $this->comments = $comments; 544 return $this->comments; 545 } 546 547 /** 548 * Used internally to get a list of comment IDs matching the query vars. 549 * 550 * @since 4.4.0 551 * @since 6.9.0 Excludes the 'note' comment type, unless 'all' or the 'note' types are requested. 552 * 553 * @global wpdb $wpdb WordPress database abstraction object. 554 * 555 * @return int|array A single count of comment IDs if a count query. An array of comment IDs if a full query. 556 * @phpstan-return non-negative-int|list<non-negative-int> 557 */ 558 protected function get_comment_ids() { 559 global $wpdb; 560 561 // Assemble clauses related to 'comment_approved'. 562 $approved_clauses = array(); 563 564 // 'status' accepts an array or a comma-separated string. 565 $status_clauses = array(); 566 $statuses = wp_parse_list( $this->query_vars['status'] ); 567 568 // Empty 'status' should be interpreted as 'all'. 569 if ( empty( $statuses ) ) { 570 $statuses = array( 'all' ); 571 } 572 573 // 'any' overrides other statuses. 574 if ( ! in_array( 'any', $statuses, true ) ) { 575 foreach ( $statuses as $status ) { 576 switch ( $status ) { 577 case 'hold': 578 $status_clauses[] = "comment_approved = '0'"; 579 break; 580 581 case 'approve': 582 $status_clauses[] = "comment_approved = '1'"; 583 break; 584 585 case 'all': 586 case '': 587 $status_clauses[] = "( comment_approved = '0' OR comment_approved = '1' )"; 588 break; 589 590 default: 591 $status_clauses[] = $wpdb->prepare( 'comment_approved = %s', $status ); 592 break; 593 } 594 } 595 596 $approved_clauses[] = '( ' . implode( ' OR ', $status_clauses ) . ' )'; 597 } 598 599 // User IDs or emails whose unapproved comments are included, regardless of $status. 600 if ( ! empty( $this->query_vars['include_unapproved'] ) ) { 601 $include_unapproved = wp_parse_list( $this->query_vars['include_unapproved'] ); 602 603 foreach ( $include_unapproved as $unapproved_identifier ) { 604 // Numeric values are assumed to be user IDs. 605 if ( is_numeric( $unapproved_identifier ) ) { 606 $approved_clauses[] = $wpdb->prepare( "( user_id = %d AND comment_approved = '0' )", $unapproved_identifier ); 607 } else { 608 // Otherwise we match against email addresses. 609 if ( ! empty( $_GET['unapproved'] ) && ! empty( $_GET['moderation-hash'] ) ) { 610 // Only include requested comment. 611 $approved_clauses[] = $wpdb->prepare( "( comment_author_email = %s AND comment_approved = '0' AND {$wpdb->comments}.comment_ID = %d )", $unapproved_identifier, (int) $_GET['unapproved'] ); 612 } else { 613 // Include all of the author's unapproved comments. 614 $approved_clauses[] = $wpdb->prepare( "( comment_author_email = %s AND comment_approved = '0' )", $unapproved_identifier ); 615 } 616 } 617 } 618 } 619 620 // Collapse comment_approved clauses into a single OR-separated clause. 621 if ( ! empty( $approved_clauses ) ) { 622 if ( 1 === count( $approved_clauses ) ) { 623 $this->sql_clauses['where']['approved'] = $approved_clauses[0]; 624 } else { 625 $this->sql_clauses['where']['approved'] = '( ' . implode( ' OR ', $approved_clauses ) . ' )'; 626 } 627 } 628 629 $order = ( 'ASC' === strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC'; 630 631 // Disable ORDER BY with 'none', an empty array, or boolean false. 632 if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) { 633 $orderby = ''; 634 } elseif ( ! empty( $this->query_vars['orderby'] ) ) { 635 $ordersby = is_array( $this->query_vars['orderby'] ) ? 636 $this->query_vars['orderby'] : 637 preg_split( '/[,\s]/', $this->query_vars['orderby'] ); 638 639 $orderby_array = array(); 640 $found_orderby_comment_id = false; 641 foreach ( $ordersby as $_key => $_value ) { 642 if ( ! $_value ) { 643 continue; 644 } 645 646 if ( is_int( $_key ) ) { 647 $_orderby = $_value; 648 $_order = $order; 649 } else { 650 $_orderby = $_key; 651 $_order = $_value; 652 } 653 654 if ( ! $found_orderby_comment_id && in_array( $_orderby, array( 'comment_ID', 'comment__in' ), true ) ) { 655 $found_orderby_comment_id = true; 656 } 657 658 $parsed = $this->parse_orderby( $_orderby ); 659 660 if ( ! $parsed ) { 661 continue; 662 } 663 664 if ( 'comment__in' === $_orderby ) { 665 $orderby_array[] = $parsed; 666 continue; 667 } 668 669 $orderby_array[] = $parsed . ' ' . $this->parse_order( $_order ); 670 } 671 672 // If no valid clauses were found, order by comment_date_gmt. 673 if ( empty( $orderby_array ) ) { 674 $orderby_array[] = "$wpdb->comments.comment_date_gmt $order"; 675 } 676 677 // To ensure determinate sorting, always include a comment_ID clause. 678 if ( ! $found_orderby_comment_id ) { 679 $comment_id_order = ''; 680 681 // Inherit order from comment_date or comment_date_gmt, if available. 682 foreach ( $orderby_array as $orderby_clause ) { 683 if ( preg_match( '/comment_date(?:_gmt)*\ (ASC|DESC)/', $orderby_clause, $match ) ) { 684 $comment_id_order = $match[1]; 685 break; 686 } 687 } 688 689 // If no date-related order is available, use the date from the first available clause. 690 if ( ! $comment_id_order ) { 691 foreach ( $orderby_array as $orderby_clause ) { 692 if ( str_contains( 'ASC', $orderby_clause ) ) { 693 $comment_id_order = 'ASC'; 694 } else { 695 $comment_id_order = 'DESC'; 696 } 697 698 break; 699 } 700 } 701 702 // Default to DESC. 703 if ( ! $comment_id_order ) { 704 $comment_id_order = 'DESC'; 705 } 706 707 $orderby_array[] = "$wpdb->comments.comment_ID $comment_id_order"; 708 } 709 710 $orderby = implode( ', ', $orderby_array ); 711 } else { 712 $orderby = "$wpdb->comments.comment_date_gmt $order"; 713 } 714 715 $number = absint( $this->query_vars['number'] ); 716 $offset = absint( $this->query_vars['offset'] ); 717 $paged = absint( $this->query_vars['paged'] ); 718 $limits = ''; 719 720 if ( ! empty( $number ) ) { 721 if ( $offset ) { 722 $limits = 'LIMIT ' . $offset . ',' . $number; 723 } else { 724 $limits = 'LIMIT ' . ( $number * ( $paged - 1 ) ) . ',' . $number; 725 } 726 } 727 728 if ( $this->query_vars['count'] ) { 729 $fields = 'COUNT(*)'; 730 } else { 731 $fields = "$wpdb->comments.comment_ID"; 732 } 733 734 $post_id = absint( $this->query_vars['post_id'] ); 735 if ( ! empty( $post_id ) ) { 736 $this->sql_clauses['where']['post_id'] = $wpdb->prepare( 'comment_post_ID = %d', $post_id ); 737 } 738 739 // Parse comment IDs for an IN clause. 740 if ( ! empty( $this->query_vars['comment__in'] ) ) { 741 $this->sql_clauses['where']['comment__in'] = "$wpdb->comments.comment_ID IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__in'] ) ) . ' )'; 742 } 743 744 // Parse comment IDs for a NOT IN clause. 745 if ( ! empty( $this->query_vars['comment__not_in'] ) ) { 746 $this->sql_clauses['where']['comment__not_in'] = "$wpdb->comments.comment_ID NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__not_in'] ) ) . ' )'; 747 } 748 749 // Parse comment parent IDs for an IN clause. 750 if ( ! empty( $this->query_vars['parent__in'] ) ) { 751 $this->sql_clauses['where']['parent__in'] = 'comment_parent IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['parent__in'] ) ) . ' )'; 752 } 753 754 // Parse comment parent IDs for a NOT IN clause. 755 if ( ! empty( $this->query_vars['parent__not_in'] ) ) { 756 $this->sql_clauses['where']['parent__not_in'] = 'comment_parent NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['parent__not_in'] ) ) . ' )'; 757 } 758 759 // Parse comment post IDs for an IN clause. 760 if ( ! empty( $this->query_vars['post__in'] ) ) { 761 $this->sql_clauses['where']['post__in'] = 'comment_post_ID IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__in'] ) ) . ' )'; 762 } 763 764 // Parse comment post IDs for a NOT IN clause. 765 if ( ! empty( $this->query_vars['post__not_in'] ) ) { 766 $this->sql_clauses['where']['post__not_in'] = 'comment_post_ID NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__not_in'] ) ) . ' )'; 767 } 768 769 if ( '' !== $this->query_vars['author_email'] ) { 770 $this->sql_clauses['where']['author_email'] = $wpdb->prepare( 'comment_author_email = %s', $this->query_vars['author_email'] ); 771 } 772 773 if ( '' !== $this->query_vars['author_url'] ) { 774 $this->sql_clauses['where']['author_url'] = $wpdb->prepare( 'comment_author_url = %s', $this->query_vars['author_url'] ); 775 } 776 777 if ( '' !== $this->query_vars['karma'] ) { 778 $this->sql_clauses['where']['karma'] = $wpdb->prepare( 'comment_karma = %d', $this->query_vars['karma'] ); 779 } 780 781 // Filtering by comment_type: 'type', 'type__in', 'type__not_in'. 782 $raw_types = array( 783 'IN' => array_merge( (array) $this->query_vars['type'], (array) $this->query_vars['type__in'] ), 784 'NOT IN' => (array) $this->query_vars['type__not_in'], 785 ); 786 787 // Exclude the 'note' comment type, unless 'all' types or the 'note' type explicitly are requested. 788 if ( 789 ! in_array( 'all', $raw_types['IN'], true ) && 790 ! in_array( 'note', $raw_types['IN'], true ) && 791 ! in_array( 'note', $raw_types['NOT IN'], true ) 792 ) { 793 $raw_types['NOT IN'][] = 'note'; 794 } 795 796 $comment_types = array(); 797 foreach ( $raw_types as $operator => $_raw_types ) { 798 $_raw_types = array_unique( $_raw_types ); 799 800 foreach ( $_raw_types as $type ) { 801 switch ( $type ) { 802 // An empty translates to 'all', for backward compatibility. 803 case '': 804 case 'all': 805 break; 806 807 case 'comment': 808 case 'comments': 809 $comment_types[ $operator ][] = "''"; 810 $comment_types[ $operator ][] = "'comment'"; 811 break; 812 813 case 'pings': 814 $comment_types[ $operator ][] = "'pingback'"; 815 $comment_types[ $operator ][] = "'trackback'"; 816 break; 817 818 default: 819 $comment_types[ $operator ][] = $wpdb->prepare( '%s', $type ); 820 break; 821 } 822 } 823 824 if ( ! empty( $comment_types[ $operator ] ) ) { 825 $types_sql = implode( ', ', $comment_types[ $operator ] ); 826 $this->sql_clauses['where'][ 'comment_type__' . strtolower( str_replace( ' ', '_', $operator ) ) ] = "comment_type $operator ($types_sql)"; 827 } 828 } 829 830 $parent = $this->query_vars['parent']; 831 if ( $this->query_vars['hierarchical'] && ! $parent ) { 832 $parent = 0; 833 } 834 835 if ( '' !== $parent ) { 836 $this->sql_clauses['where']['parent'] = $wpdb->prepare( 'comment_parent = %d', $parent ); 837 } 838 839 if ( is_array( $this->query_vars['user_id'] ) ) { 840 $this->sql_clauses['where']['user_id'] = 'user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')'; 841 } elseif ( '' !== $this->query_vars['user_id'] ) { 842 $this->sql_clauses['where']['user_id'] = $wpdb->prepare( 'user_id = %d', $this->query_vars['user_id'] ); 843 } 844 845 // Falsey search strings are ignored. 846 if ( isset( $this->query_vars['search'] ) && strlen( $this->query_vars['search'] ) ) { 847 $search_sql = $this->get_search_sql( 848 $this->query_vars['search'], 849 array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' ) 850 ); 851 852 // Strip leading 'AND'. 853 $this->sql_clauses['where']['search'] = preg_replace( '/^\s*AND\s*/', '', $search_sql ); 854 } 855 856 // If any post-related query vars are passed, join the posts table. 857 $join_posts_table = false; 858 $plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent' ) ); 859 $post_fields = array_filter( $plucked ); 860 861 if ( ! empty( $post_fields ) ) { 862 $join_posts_table = true; 863 foreach ( $post_fields as $field_name => $field_value ) { 864 // $field_value may be an array. 865 $esses = array_fill( 0, count( (array) $field_value ), '%s' ); 866 867 // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare 868 $this->sql_clauses['where'][ $field_name ] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ')', $field_value ); 869 } 870 } 871 872 // 'post_status' and 'post_type' are handled separately, due to the specialized behavior of 'any'. 873 foreach ( array( 'post_status', 'post_type' ) as $field_name ) { 874 $q_values = array(); 875 if ( ! empty( $this->query_vars[ $field_name ] ) ) { 876 $q_values = $this->query_vars[ $field_name ]; 877 if ( ! is_array( $q_values ) ) { 878 $q_values = explode( ',', $q_values ); 879 } 880 881 // 'any' will cause the query var to be ignored. 882 if ( in_array( 'any', $q_values, true ) || empty( $q_values ) ) { 883 continue; 884 } 885 886 $join_posts_table = true; 887 888 $esses = array_fill( 0, count( $q_values ), '%s' ); 889 890 // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare 891 $this->sql_clauses['where'][ $field_name ] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ')', $q_values ); 892 } 893 } 894 895 // Comment author IDs for an IN clause. 896 if ( ! empty( $this->query_vars['author__in'] ) ) { 897 $this->sql_clauses['where']['author__in'] = 'user_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )'; 898 } 899 900 // Comment author IDs for a NOT IN clause. 901 if ( ! empty( $this->query_vars['author__not_in'] ) ) { 902 $this->sql_clauses['where']['author__not_in'] = 'user_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__not_in'] ) ) . ' )'; 903 } 904 905 // Post author IDs for an IN clause. 906 if ( ! empty( $this->query_vars['post_author__in'] ) ) { 907 $join_posts_table = true; 908 $this->sql_clauses['where']['post_author__in'] = 'post_author IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__in'] ) ) . ' )'; 909 } 910 911 // Post author IDs for a NOT IN clause. 912 if ( ! empty( $this->query_vars['post_author__not_in'] ) ) { 913 $join_posts_table = true; 914 $this->sql_clauses['where']['post_author__not_in'] = 'post_author NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__not_in'] ) ) . ' )'; 915 } 916 917 $join = ''; 918 $groupby = ''; 919 920 if ( $join_posts_table ) { 921 $join .= "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID"; 922 } 923 924 if ( ! empty( $this->meta_query_clauses ) ) { 925 $join .= $this->meta_query_clauses['join']; 926 927 // Strip leading 'AND'. 928 $this->sql_clauses['where']['meta_query'] = preg_replace( '/^\s*AND\s*/', '', $this->meta_query_clauses['where'] ); 929 930 if ( ! $this->query_vars['count'] ) { 931 $groupby = "{$wpdb->comments}.comment_ID"; 932 } 933 } 934 935 if ( ! empty( $this->query_vars['date_query'] ) && is_array( $this->query_vars['date_query'] ) ) { 936 $this->date_query = new WP_Date_Query( $this->query_vars['date_query'], 'comment_date' ); 937 938 // Strip leading 'AND'. 939 $this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() ); 940 } 941 942 $where = implode( ' AND ', $this->sql_clauses['where'] ); 943 944 $pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' ); 945 946 /** 947 * Filters the comment query clauses. 948 * 949 * @since 3.1.0 950 * 951 * @param string[] $clauses { 952 * Associative array of the clauses for the query. 953 * 954 * @type string $fields The SELECT clause of the query. 955 * @type string $join The JOIN clause of the query. 956 * @type string $where The WHERE clause of the query. 957 * @type string $orderby The ORDER BY clause of the query. 958 * @type string $limits The LIMIT clause of the query. 959 * @type string $groupby The GROUP BY clause of the query. 960 * } 961 * @param WP_Comment_Query $query Current instance of WP_Comment_Query (passed by reference). 962 */ 963 $clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) ); 964 965 $fields = $clauses['fields'] ?? ''; 966 $join = $clauses['join'] ?? ''; 967 $where = $clauses['where'] ?? ''; 968 $orderby = $clauses['orderby'] ?? ''; 969 $limits = $clauses['limits'] ?? ''; 970 $groupby = $clauses['groupby'] ?? ''; 971 972 $this->filtered_where_clause = $where; 973 974 if ( $where ) { 975 $where = 'WHERE ' . $where; 976 } 977 978 if ( $groupby ) { 979 $groupby = 'GROUP BY ' . $groupby; 980 } 981 982 if ( $orderby ) { 983 $orderby = "ORDER BY $orderby"; 984 } 985 986 $found_rows = ''; 987 if ( ! $this->query_vars['no_found_rows'] ) { 988 $found_rows = 'SQL_CALC_FOUND_ROWS'; 989 } 990 991 $this->sql_clauses['select'] = "SELECT $found_rows $fields"; 992 $this->sql_clauses['from'] = "FROM $wpdb->comments $join"; 993 $this->sql_clauses['groupby'] = $groupby; 994 $this->sql_clauses['orderby'] = $orderby; 995 $this->sql_clauses['limits'] = $limits; 996 997 // Beginning of the string is on a new line to prevent leading whitespace. See https://core.trac.wordpress.org/ticket/56841. 998 $this->request = 999 "{$this->sql_clauses['select']} 1000 {$this->sql_clauses['from']} 1001 {$where} 1002 {$this->sql_clauses['groupby']} 1003 {$this->sql_clauses['orderby']} 1004 {$this->sql_clauses['limits']}"; 1005 1006 if ( $this->query_vars['count'] ) { 1007 return (int) $wpdb->get_var( $this->request ); 1008 } else { 1009 $comment_ids = $wpdb->get_col( $this->request ); 1010 return array_map( 'intval', $comment_ids ); 1011 } 1012 } 1013 1014 /** 1015 * Populates found_comments and max_num_pages properties for the current 1016 * query if the limit clause was used. 1017 * 1018 * @since 4.6.0 1019 * 1020 * @global wpdb $wpdb WordPress database abstraction object. 1021 */ 1022 private function set_found_comments() { 1023 global $wpdb; 1024 1025 if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) { 1026 /** 1027 * Filters the query used to retrieve found comment count. 1028 * 1029 * @since 4.4.0 1030 * 1031 * @param string $found_comments_query SQL query. Default 'SELECT FOUND_ROWS()'. 1032 * @param WP_Comment_Query $comment_query The `WP_Comment_Query` instance. 1033 */ 1034 $found_comments_query = apply_filters( 'found_comments_query', 'SELECT FOUND_ROWS()', $this ); 1035 1036 $this->found_comments = (int) $wpdb->get_var( $found_comments_query ); 1037 } 1038 } 1039 1040 /** 1041 * Fetch descendants for located comments. 1042 * 1043 * Instead of calling `get_children()` separately on each child comment, we do a single set of queries to fetch 1044 * the descendant trees for all matched top-level comments. 1045 * 1046 * @since 4.4.0 1047 * 1048 * @param WP_Comment[] $comments Array of top-level comments whose descendants should be filled in. 1049 * @return array 1050 */ 1051 protected function fill_descendants( $comments ) { 1052 $levels = array( 1053 0 => wp_list_pluck( $comments, 'comment_ID' ), 1054 ); 1055 1056 $key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) ) ) ); 1057 $last_changed = wp_cache_get_last_changed( 'comment' ); 1058 1059 // Fetch an entire level of the descendant tree at a time. 1060 $level = 0; 1061 $exclude_keys = array( 'parent', 'parent__in', 'parent__not_in' ); 1062 do { 1063 // Parent-child relationships may be cached. Only query for those that are not. 1064 $child_ids = array(); 1065 $uncached_parent_ids = array(); 1066 $_parent_ids = $levels[ $level ]; 1067 if ( $_parent_ids ) { 1068 $cache_keys = array(); 1069 foreach ( $_parent_ids as $parent_id ) { 1070 $cache_keys[ $parent_id ] = "get_comment_child_ids:$parent_id:$key"; 1071 } 1072 $cache_data = wp_cache_get_multiple_salted( array_values( $cache_keys ), 'comment-queries', $last_changed ); 1073 foreach ( $_parent_ids as $parent_id ) { 1074 $parent_child_ids = $cache_data[ $cache_keys[ $parent_id ] ]; 1075 if ( false !== $parent_child_ids ) { 1076 $child_ids = array_merge( $child_ids, $parent_child_ids ); 1077 } else { 1078 $uncached_parent_ids[] = $parent_id; 1079 } 1080 } 1081 } 1082 1083 if ( $uncached_parent_ids ) { 1084 // Fetch this level of comments. 1085 $parent_query_args = $this->query_vars; 1086 foreach ( $exclude_keys as $exclude_key ) { 1087 $parent_query_args[ $exclude_key ] = ''; 1088 } 1089 $parent_query_args['parent__in'] = $uncached_parent_ids; 1090 $parent_query_args['no_found_rows'] = true; 1091 $parent_query_args['hierarchical'] = false; 1092 $parent_query_args['offset'] = 0; 1093 $parent_query_args['number'] = 0; 1094 1095 $level_comments = get_comments( $parent_query_args ); 1096 1097 // Cache parent-child relationships. 1098 $parent_map = array_fill_keys( $uncached_parent_ids, array() ); 1099 foreach ( $level_comments as $level_comment ) { 1100 $parent_map[ $level_comment->comment_parent ][] = $level_comment->comment_ID; 1101 $child_ids[] = $level_comment->comment_ID; 1102 } 1103 1104 $data = array(); 1105 foreach ( $parent_map as $parent_id => $children ) { 1106 $cache_key = "get_comment_child_ids:$parent_id:$key"; 1107 $data[ $cache_key ] = $children; 1108 } 1109 wp_cache_set_multiple_salted( $data, 'comment-queries', $last_changed ); 1110 } 1111 1112 ++$level; 1113 $levels[ $level ] = $child_ids; 1114 } while ( $child_ids ); 1115 1116 // Prime comment caches for non-top-level comments. 1117 $descendant_ids = array(); 1118 for ( $i = 1, $c = count( $levels ); $i < $c; $i++ ) { 1119 $descendant_ids = array_merge( $descendant_ids, $levels[ $i ] ); 1120 } 1121 1122 _prime_comment_caches( $descendant_ids, $this->query_vars['update_comment_meta_cache'] ); 1123 1124 // Assemble a flat array of all comments + descendants. 1125 $all_comments = $comments; 1126 foreach ( $descendant_ids as $descendant_id ) { 1127 $descendant = get_comment( $descendant_id ); 1128 if ( $descendant instanceof WP_Comment ) { 1129 $all_comments[] = $descendant; 1130 } 1131 } 1132 1133 // If a threaded representation was requested, build the tree. 1134 if ( 'threaded' === $this->query_vars['hierarchical'] ) { 1135 $threaded_comments = array(); 1136 $ref = array(); 1137 foreach ( $all_comments as $k => $c ) { 1138 $_c = get_comment( $c->comment_ID ); 1139 1140 // If the comment isn't in the reference array, it goes in the top level of the thread. 1141 if ( ! isset( $ref[ $c->comment_parent ] ) ) { 1142 $threaded_comments[ $_c->comment_ID ] = $_c; 1143 $ref[ $_c->comment_ID ] = $threaded_comments[ $_c->comment_ID ]; 1144 1145 // Otherwise, set it as a child of its parent. 1146 } else { 1147 1148 $ref[ $_c->comment_parent ]->add_child( $_c ); 1149 $ref[ $_c->comment_ID ] = $ref[ $_c->comment_parent ]->get_child( $_c->comment_ID ); 1150 } 1151 } 1152 1153 // Set the 'populated_children' flag, to ensure additional database queries aren't run. 1154 foreach ( $ref as $_ref ) { 1155 $_ref->populated_children( true ); 1156 } 1157 1158 $comments = $threaded_comments; 1159 } else { 1160 $comments = $all_comments; 1161 } 1162 1163 return $comments; 1164 } 1165 1166 /** 1167 * Used internally to generate an SQL string for searching across multiple columns. 1168 * 1169 * @since 3.1.0 1170 * 1171 * @global wpdb $wpdb WordPress database abstraction object. 1172 * 1173 * @param string $search Search string. 1174 * @param string[] $columns Array of columns to search. 1175 * @return string Search SQL. 1176 */ 1177 protected function get_search_sql( $search, $columns ) { 1178 global $wpdb; 1179 1180 $like = '%' . $wpdb->esc_like( $search ) . '%'; 1181 1182 $searches = array(); 1183 foreach ( $columns as $column ) { 1184 $searches[] = $wpdb->prepare( "$column LIKE %s", $like ); 1185 } 1186 1187 return ' AND (' . implode( ' OR ', $searches ) . ')'; 1188 } 1189 1190 /** 1191 * Parse and sanitize 'orderby' keys passed to the comment query. 1192 * 1193 * @since 4.2.0 1194 * 1195 * @global wpdb $wpdb WordPress database abstraction object. 1196 * 1197 * @param string $orderby Alias for the field to order by. 1198 * @return string|false Value to used in the ORDER clause. False otherwise. 1199 */ 1200 protected function parse_orderby( $orderby ) { 1201 global $wpdb; 1202 1203 $allowed_keys = array( 1204 'comment_agent', 1205 'comment_approved', 1206 'comment_author', 1207 'comment_author_email', 1208 'comment_author_IP', 1209 'comment_author_url', 1210 'comment_content', 1211 'comment_date', 1212 'comment_date_gmt', 1213 'comment_ID', 1214 'comment_karma', 1215 'comment_parent', 1216 'comment_post_ID', 1217 'comment_type', 1218 'user_id', 1219 ); 1220 1221 if ( ! empty( $this->query_vars['meta_key'] ) ) { 1222 $allowed_keys[] = $this->query_vars['meta_key']; 1223 $allowed_keys[] = 'meta_value'; 1224 $allowed_keys[] = 'meta_value_num'; 1225 } 1226 1227 $meta_query_clauses = $this->meta_query->get_clauses(); 1228 if ( $meta_query_clauses ) { 1229 $allowed_keys = array_merge( $allowed_keys, array_keys( $meta_query_clauses ) ); 1230 } 1231 1232 $parsed = false; 1233 if ( $this->query_vars['meta_key'] === $orderby || 'meta_value' === $orderby ) { 1234 $parsed = "$wpdb->commentmeta.meta_value"; 1235 } elseif ( 'meta_value_num' === $orderby ) { 1236 $parsed = "$wpdb->commentmeta.meta_value+0"; 1237 } elseif ( 'comment__in' === $orderby ) { 1238 $comment__in = implode( ',', array_map( 'absint', $this->query_vars['comment__in'] ) ); 1239 $parsed = "FIELD( {$wpdb->comments}.comment_ID, $comment__in )"; 1240 } elseif ( in_array( $orderby, $allowed_keys, true ) ) { 1241 1242 if ( isset( $meta_query_clauses[ $orderby ] ) ) { 1243 $meta_clause = $meta_query_clauses[ $orderby ]; 1244 $parsed = sprintf( 'CAST(%s.meta_value AS %s)', esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) ); 1245 } else { 1246 $parsed = "$wpdb->comments.$orderby"; 1247 } 1248 } 1249 1250 return $parsed; 1251 } 1252 1253 /** 1254 * Parse an 'order' query variable and cast it to ASC or DESC as necessary. 1255 * 1256 * @since 4.2.0 1257 * 1258 * @param string $order The 'order' query variable. 1259 * @return string The sanitized 'order' query variable. 1260 */ 1261 protected function parse_order( $order ) { 1262 if ( ! is_string( $order ) || empty( $order ) ) { 1263 return 'DESC'; 1264 } 1265 1266 if ( 'ASC' === strtoupper( $order ) ) { 1267 return 'ASC'; 1268 } else { 1269 return 'DESC'; 1270 } 1271 } 1272 }
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| Generated : Mon Oct 5 08:20:36 2026 | Cross-referenced by PHPXref |