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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * Site API 4 * 5 * @package WordPress 6 * @subpackage Multisite 7 * @since 5.1.0 8 */ 9 10 /** 11 * Inserts a new site into the database. 12 * 13 * @since 5.1.0 14 * 15 * @global wpdb $wpdb WordPress database abstraction object. 16 * 17 * @param array $data { 18 * Data for the new site that should be inserted. 19 * 20 * @type string $domain Site domain. Default empty string. 21 * @type string $path Site path. Default '/'. 22 * @type int $network_id The site's network ID. Default is the current network ID. 23 * @type string $registered When the site was registered, in SQL datetime format. Default is 24 * the current time. 25 * @type string $last_updated When the site was last updated, in SQL datetime format. Default is 26 * the value of $registered. 27 * @type int $public Whether the site is public. Default 1. 28 * @type int $archived Whether the site is archived. Default 0. 29 * @type int $mature Whether the site is mature. Default 0. 30 * @type int $spam Whether the site is spam. Default 0. 31 * @type int $deleted Whether the site is deleted. Default 0. 32 * @type int $lang_id The site's language ID. Currently unused. Default 0. 33 * @type int $user_id User ID for the site administrator. Passed to the 34 * `wp_initialize_site` hook. 35 * @type string $title Site title. Default is 'Site %d' where %d is the site ID. Passed 36 * to the `wp_initialize_site` hook. 37 * @type array $options Custom option $key => $value pairs to use. Default empty array. Passed 38 * to the `wp_initialize_site` hook. 39 * @type array $meta Custom site metadata $key => $value pairs to use. Default empty array. 40 * Passed to the `wp_initialize_site` hook. 41 * } 42 * @return int|WP_Error The new site's ID on success, or error object on failure. 43 */ 44 function wp_insert_site( array $data ) { 45 global $wpdb; 46 47 $now = current_time( 'mysql', true ); 48 49 $defaults = array( 50 'domain' => '', 51 'path' => '/', 52 'network_id' => get_current_network_id(), 53 'registered' => $now, 54 'last_updated' => $now, 55 'public' => 1, 56 'archived' => 0, 57 'mature' => 0, 58 'spam' => 0, 59 'deleted' => 0, 60 'lang_id' => 0, 61 ); 62 63 $prepared_data = wp_prepare_site_data( $data, $defaults ); 64 if ( is_wp_error( $prepared_data ) ) { 65 return $prepared_data; 66 } 67 68 if ( false === $wpdb->insert( $wpdb->blogs, $prepared_data ) ) { 69 return new WP_Error( 'db_insert_error', __( 'Could not insert site into the database.' ), $wpdb->last_error ); 70 } 71 72 $site_id = (int) $wpdb->insert_id; 73 74 clean_blog_cache( $site_id ); 75 76 $new_site = get_site( $site_id ); 77 78 if ( ! $new_site ) { 79 return new WP_Error( 'get_site_error', __( 'Could not retrieve site data.' ) ); 80 } 81 82 /** 83 * Fires once a site has been inserted into the database. 84 * 85 * @since 5.1.0 86 * 87 * @param WP_Site $new_site New site object. 88 */ 89 do_action( 'wp_insert_site', $new_site ); 90 91 // Extract the passed arguments that may be relevant for site initialization. 92 $args = array_diff_key( $data, $defaults ); 93 if ( isset( $args['site_id'] ) ) { 94 unset( $args['site_id'] ); 95 } 96 97 /** 98 * Fires when a site's initialization routine should be executed. 99 * 100 * @since 5.1.0 101 * 102 * @param WP_Site $new_site New site object. 103 * @param array $args Arguments for the initialization. 104 */ 105 do_action( 'wp_initialize_site', $new_site, $args ); 106 107 // Only compute extra hook parameters if the deprecated hook is actually in use. 108 if ( has_action( 'wpmu_new_blog' ) ) { 109 $user_id = ! empty( $args['user_id'] ) ? $args['user_id'] : 0; 110 $meta = ! empty( $args['options'] ) ? $args['options'] : array(); 111 112 // WPLANG was passed with `$meta` to the `wpmu_new_blog` hook prior to 5.1.0. 113 if ( ! array_key_exists( 'WPLANG', $meta ) ) { 114 $meta['WPLANG'] = get_network_option( $new_site->network_id, 'WPLANG' ); 115 } 116 117 /* 118 * Rebuild the data expected by the `wpmu_new_blog` hook prior to 5.1.0 using allowed keys. 119 * The `$allowed_data_fields` matches the one used in `wpmu_create_blog()`. 120 */ 121 $allowed_data_fields = array( 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ); 122 $meta = array_merge( array_intersect_key( $data, array_flip( $allowed_data_fields ) ), $meta ); 123 124 /** 125 * Fires immediately after a new site is created. 126 * 127 * @since MU (3.0.0) 128 * @deprecated 5.1.0 Use {@see 'wp_initialize_site'} instead. 129 * 130 * @param int $site_id Site ID. 131 * @param int $user_id User ID. 132 * @param string $domain Site domain. 133 * @param string $path Site path. 134 * @param int $network_id Network ID. Only relevant on multi-network installations. 135 * @param array $meta Meta data. Used to set initial site options. 136 */ 137 do_action_deprecated( 138 'wpmu_new_blog', 139 array( $new_site->id, $user_id, $new_site->domain, $new_site->path, $new_site->network_id, $meta ), 140 '5.1.0', 141 'wp_initialize_site' 142 ); 143 } 144 145 return (int) $new_site->id; 146 } 147 148 /** 149 * Updates a site in the database. 150 * 151 * @since 5.1.0 152 * 153 * @global wpdb $wpdb WordPress database abstraction object. 154 * 155 * @param int $site_id ID of the site that should be updated. 156 * @param array $data Site data to update. See {@see wp_insert_site()} for the list of supported keys. 157 * @return int|WP_Error The updated site's ID on success, or error object on failure. 158 */ 159 function wp_update_site( $site_id, array $data ) { 160 global $wpdb; 161 162 if ( empty( $site_id ) ) { 163 return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); 164 } 165 166 $old_site = get_site( $site_id ); 167 if ( ! $old_site ) { 168 return new WP_Error( 'site_not_exist', __( 'Site does not exist.' ) ); 169 } 170 171 $defaults = $old_site->to_array(); 172 $defaults['network_id'] = (int) $defaults['site_id']; 173 $defaults['last_updated'] = current_time( 'mysql', true ); 174 unset( $defaults['blog_id'], $defaults['site_id'] ); 175 176 $data = wp_prepare_site_data( $data, $defaults, $old_site ); 177 if ( is_wp_error( $data ) ) { 178 return $data; 179 } 180 181 if ( false === $wpdb->update( $wpdb->blogs, $data, array( 'blog_id' => $old_site->id ) ) ) { 182 return new WP_Error( 'db_update_error', __( 'Could not update site in the database.' ), $wpdb->last_error ); 183 } 184 185 clean_blog_cache( $old_site ); 186 187 $new_site = get_site( $old_site->id ); 188 189 /** 190 * Fires once a site has been updated in the database. 191 * 192 * @since 5.1.0 193 * 194 * @param WP_Site $new_site New site object. 195 * @param WP_Site $old_site Old site object. 196 */ 197 do_action( 'wp_update_site', $new_site, $old_site ); 198 199 return (int) $new_site->id; 200 } 201 202 /** 203 * Deletes a site from the database. 204 * 205 * @since 5.1.0 206 * 207 * @global wpdb $wpdb WordPress database abstraction object. 208 * 209 * @param int $site_id ID of the site that should be deleted. 210 * @return WP_Site|WP_Error The deleted site object on success, or error object on failure. 211 */ 212 function wp_delete_site( $site_id ) { 213 global $wpdb; 214 215 if ( empty( $site_id ) ) { 216 return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); 217 } 218 219 $old_site = get_site( $site_id ); 220 if ( ! $old_site ) { 221 return new WP_Error( 'site_not_exist', __( 'Site does not exist.' ) ); 222 } 223 224 $errors = new WP_Error(); 225 226 /** 227 * Fires before a site should be deleted from the database. 228 * 229 * Plugins should amend the `$errors` object via its `WP_Error::add()` method. If any errors 230 * are present, the site will not be deleted. 231 * 232 * @since 5.1.0 233 * 234 * @param WP_Error $errors Error object to add validation errors to. 235 * @param WP_Site $old_site The site object to be deleted. 236 */ 237 do_action( 'wp_validate_site_deletion', $errors, $old_site ); 238 239 if ( ! empty( $errors->errors ) ) { 240 return $errors; 241 } 242 243 /** 244 * Fires before a site is deleted. 245 * 246 * @since MU (3.0.0) 247 * @deprecated 5.1.0 248 * 249 * @param int $site_id The site ID. 250 * @param bool $drop True if site's table should be dropped. Default false. 251 */ 252 do_action_deprecated( 'delete_blog', array( $old_site->id, true ), '5.1.0' ); 253 254 /** 255 * Fires when a site's uninitialization routine should be executed. 256 * 257 * @since 5.1.0 258 * 259 * @param WP_Site $old_site Deleted site object. 260 */ 261 do_action( 'wp_uninitialize_site', $old_site ); 262 263 if ( is_site_meta_supported() ) { 264 $blog_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->blogmeta WHERE blog_id = %d ", $old_site->id ) ); 265 foreach ( $blog_meta_ids as $mid ) { 266 delete_metadata_by_mid( 'blog', $mid ); 267 } 268 } 269 270 if ( false === $wpdb->delete( $wpdb->blogs, array( 'blog_id' => $old_site->id ) ) ) { 271 return new WP_Error( 'db_delete_error', __( 'Could not delete site from the database.' ), $wpdb->last_error ); 272 } 273 274 clean_blog_cache( $old_site ); 275 276 /** 277 * Fires once a site has been deleted from the database. 278 * 279 * @since 5.1.0 280 * 281 * @param WP_Site $old_site Deleted site object. 282 */ 283 do_action( 'wp_delete_site', $old_site ); 284 285 /** 286 * Fires after the site is deleted from the network. 287 * 288 * @since 4.8.0 289 * @deprecated 5.1.0 290 * 291 * @param int $site_id The site ID. 292 * @param bool $drop True if site's tables should be dropped. Default false. 293 */ 294 do_action_deprecated( 'deleted_blog', array( $old_site->id, true ), '5.1.0' ); 295 296 return $old_site; 297 } 298 299 /** 300 * Retrieves site data given a site ID or site object. 301 * 302 * Site data will be cached and returned after being passed through a filter. 303 * If the provided site is empty, the current site global will be used. 304 * 305 * @since 4.6.0 306 * 307 * @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site. 308 * @return WP_Site|null The site object or null if not found. 309 */ 310 function get_site( $site = null ) { 311 if ( empty( $site ) ) { 312 $site = get_current_blog_id(); 313 } 314 315 if ( $site instanceof WP_Site ) { 316 $_site = $site; 317 } elseif ( is_object( $site ) ) { 318 $_site = new WP_Site( $site ); 319 } else { 320 $_site = WP_Site::get_instance( $site ); 321 } 322 323 if ( ! $_site ) { 324 return null; 325 } 326 327 /** 328 * Fires after a site is retrieved. 329 * 330 * @since 4.6.0 331 * 332 * @param WP_Site $_site Site data. 333 */ 334 $_site = apply_filters( 'get_site', $_site ); 335 336 return $_site; 337 } 338 339 /** 340 * Adds any sites from the given IDs to the cache that do not already exist in cache. 341 * 342 * @since 4.6.0 343 * @since 5.1.0 Introduced the `$update_meta_cache` parameter. 344 * @since 6.1.0 This function is no longer marked as "private". 345 * @since 6.3.0 Use wp_lazyload_site_meta() for lazy-loading of site meta. 346 * 347 * @see update_site_cache() 348 * @global wpdb $wpdb WordPress database abstraction object. 349 * 350 * @param array $ids ID list. 351 * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. 352 */ 353 function _prime_site_caches( $ids, $update_meta_cache = true ) { 354 global $wpdb; 355 356 $non_cached_ids = _get_non_cached_ids( $ids, 'sites' ); 357 if ( ! empty( $non_cached_ids ) ) { 358 $fresh_sites = $wpdb->get_results( sprintf( "SELECT * FROM $wpdb->blogs WHERE blog_id IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared 359 360 update_site_cache( $fresh_sites, false ); 361 } 362 363 if ( $update_meta_cache ) { 364 wp_lazyload_site_meta( $ids ); 365 } 366 } 367 368 /** 369 * Queue site meta for lazy-loading. 370 * 371 * @since 6.3.0 372 * 373 * @param array $site_ids List of site IDs. 374 */ 375 function wp_lazyload_site_meta( array $site_ids ) { 376 if ( empty( $site_ids ) ) { 377 return; 378 } 379 $lazyloader = wp_metadata_lazyloader(); 380 $lazyloader->queue_objects( 'blog', $site_ids ); 381 } 382 383 /** 384 * Updates sites in cache. 385 * 386 * @since 4.6.0 387 * @since 5.1.0 Introduced the `$update_meta_cache` parameter. 388 * 389 * @param array $sites Array of site objects. 390 * @param bool $update_meta_cache Whether to update site meta cache. Default true. 391 */ 392 function update_site_cache( $sites, $update_meta_cache = true ) { 393 if ( ! $sites ) { 394 return; 395 } 396 $site_ids = array(); 397 $site_data = array(); 398 $blog_details_data = array(); 399 foreach ( $sites as $site ) { 400 $site_ids[] = $site->blog_id; 401 $site_data[ $site->blog_id ] = $site; 402 $blog_details_data[ $site->blog_id . 'short' ] = $site; 403 404 } 405 wp_cache_add_multiple( $site_data, 'sites' ); 406 wp_cache_add_multiple( $blog_details_data, 'blog-details' ); 407 408 if ( $update_meta_cache ) { 409 update_sitemeta_cache( $site_ids ); 410 } 411 } 412 413 /** 414 * Updates metadata cache for list of site IDs. 415 * 416 * Performs SQL query to retrieve all metadata for the sites matching `$site_ids` and stores them in the cache. 417 * Subsequent calls to `get_site_meta()` will not need to query the database. 418 * 419 * @since 5.1.0 420 * 421 * @param array $site_ids List of site IDs. 422 * @return array|false An array of metadata on success, false if there is nothing to update. 423 */ 424 function update_sitemeta_cache( $site_ids ) { 425 // Ensure this filter is hooked in even if the function is called early. 426 if ( ! has_filter( 'update_blog_metadata_cache', 'wp_check_site_meta_support_prefilter' ) ) { 427 add_filter( 'update_blog_metadata_cache', 'wp_check_site_meta_support_prefilter' ); 428 } 429 return update_meta_cache( 'blog', $site_ids ); 430 } 431 432 /** 433 * Retrieves a list of sites matching requested arguments. 434 * 435 * @since 4.6.0 436 * @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters. 437 * 438 * @see WP_Site_Query::parse_query() 439 * 440 * @param string|array $args Optional. Array or string of arguments. See WP_Site_Query::__construct() 441 * for information on accepted arguments. Default empty array. 442 * @return WP_Site[]|int[]|int List of WP_Site objects, a list of site IDs when 'fields' is set to 'ids', 443 * or the number of sites when 'count' is passed as a query var. 444 * 445 * @phpstan-return ( 446 * $args is array{ count: true, ... } ? int : ( 447 * $args is array{ fields: 'ids', ... } ? int[] : array<int, WP_Site> 448 * ) 449 * ) 450 */ 451 function get_sites( $args = array() ) { 452 $query = new WP_Site_Query(); 453 454 return $query->query( $args ); 455 } 456 457 /** 458 * Prepares site data for insertion or update in the database. 459 * 460 * @since 5.1.0 461 * 462 * @param array $data Associative array of site data passed to the respective function. 463 * See {@see wp_insert_site()} for the possibly included data. 464 * @param array $defaults Site data defaults to parse $data against. 465 * @param WP_Site|null $old_site Optional. Old site object if an update, or null if an insertion. 466 * Default null. 467 * @return array|WP_Error Site data ready for a database transaction, or WP_Error in case a validation 468 * error occurred. 469 */ 470 function wp_prepare_site_data( $data, $defaults, $old_site = null ) { 471 472 // Maintain backward-compatibility with `$site_id` as network ID. 473 if ( isset( $data['site_id'] ) ) { 474 if ( ! empty( $data['site_id'] ) && empty( $data['network_id'] ) ) { 475 $data['network_id'] = $data['site_id']; 476 } 477 unset( $data['site_id'] ); 478 } 479 480 /** 481 * Filters passed site data in order to normalize it. 482 * 483 * @since 5.1.0 484 * 485 * @param array $data Associative array of site data passed to the respective function. 486 * See {@see wp_insert_site()} for the possibly included data. 487 */ 488 $data = apply_filters( 'wp_normalize_site_data', $data ); 489 490 $allowed_data_fields = array( 'domain', 'path', 'network_id', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ); 491 $data = array_intersect_key( wp_parse_args( $data, $defaults ), array_flip( $allowed_data_fields ) ); 492 493 $errors = new WP_Error(); 494 495 /** 496 * Fires when data should be validated for a site prior to inserting or updating in the database. 497 * 498 * Plugins should amend the `$errors` object via its `WP_Error::add()` method. 499 * 500 * @since 5.1.0 501 * 502 * @param WP_Error $errors Error object to add validation errors to. 503 * @param array $data Associative array of complete site data. See {@see wp_insert_site()} 504 * for the included data. 505 * @param WP_Site|null $old_site The old site object if the data belongs to a site being updated, 506 * or null if it is a new site being inserted. 507 */ 508 do_action( 'wp_validate_site_data', $errors, $data, $old_site ); 509 510 if ( ! empty( $errors->errors ) ) { 511 return $errors; 512 } 513 514 // Prepare for database. 515 $data['site_id'] = $data['network_id']; 516 unset( $data['network_id'] ); 517 518 return $data; 519 } 520 521 /** 522 * Normalizes data for a site prior to inserting or updating in the database. 523 * 524 * @since 5.1.0 525 * 526 * @param array $data Associative array of site data passed to the respective function. 527 * See {@see wp_insert_site()} for the possibly included data. 528 * @return array Normalized site data. 529 */ 530 function wp_normalize_site_data( $data ) { 531 // Sanitize domain if passed. 532 if ( array_key_exists( 'domain', $data ) ) { 533 $data['domain'] = preg_replace( '/[^a-z0-9\-.:]+/i', '', $data['domain'] ); 534 } 535 536 // Sanitize path if passed. 537 if ( array_key_exists( 'path', $data ) ) { 538 $data['path'] = trailingslashit( '/' . trim( $data['path'], '/' ) ); 539 } 540 541 // Sanitize network ID if passed. 542 if ( array_key_exists( 'network_id', $data ) ) { 543 $data['network_id'] = (int) $data['network_id']; 544 } 545 546 // Sanitize status fields if passed. 547 $status_fields = array( 'public', 'archived', 'mature', 'spam', 'deleted' ); 548 foreach ( $status_fields as $status_field ) { 549 if ( array_key_exists( $status_field, $data ) ) { 550 $data[ $status_field ] = (int) $data[ $status_field ]; 551 } 552 } 553 554 // Strip date fields if empty. 555 $date_fields = array( 'registered', 'last_updated' ); 556 foreach ( $date_fields as $date_field ) { 557 if ( ! array_key_exists( $date_field, $data ) ) { 558 continue; 559 } 560 561 if ( empty( $data[ $date_field ] ) || '0000-00-00 00:00:00' === $data[ $date_field ] ) { 562 unset( $data[ $date_field ] ); 563 } 564 } 565 566 return $data; 567 } 568 569 /** 570 * Validates data for a site prior to inserting or updating in the database. 571 * 572 * @since 5.1.0 573 * 574 * @param WP_Error $errors Error object, passed by reference. Will contain validation errors if 575 * any occurred. 576 * @param array $data Associative array of complete site data. See {@see wp_insert_site()} 577 * for the included data. 578 * @param WP_Site|null $old_site The old site object if the data belongs to a site being updated, 579 * or null if it is a new site being inserted. 580 */ 581 function wp_validate_site_data( $errors, $data, $old_site = null ) { 582 // A domain must always be present. 583 if ( empty( $data['domain'] ) ) { 584 $errors->add( 'site_empty_domain', __( 'Site domain must not be empty.' ) ); 585 } 586 587 // A path must always be present. 588 if ( empty( $data['path'] ) ) { 589 $errors->add( 'site_empty_path', __( 'Site path must not be empty.' ) ); 590 } 591 592 // A network ID must always be present. 593 if ( empty( $data['network_id'] ) ) { 594 $errors->add( 'site_empty_network_id', __( 'Site network ID must be provided.' ) ); 595 } 596 597 // Both registration and last updated dates must always be present and valid. 598 $date_fields = array( 'registered', 'last_updated' ); 599 foreach ( $date_fields as $date_field ) { 600 if ( empty( $data[ $date_field ] ) ) { 601 $errors->add( 'site_empty_' . $date_field, __( 'Both registration and last updated dates must be provided.' ) ); 602 break; 603 } 604 605 // Allow '0000-00-00 00:00:00', although it be stripped out at this point. 606 if ( '0000-00-00 00:00:00' !== $data[ $date_field ] ) { 607 $month = substr( $data[ $date_field ], 5, 2 ); 608 $day = substr( $data[ $date_field ], 8, 2 ); 609 $year = substr( $data[ $date_field ], 0, 4 ); 610 $valid_date = wp_checkdate( $month, $day, $year, $data[ $date_field ] ); 611 if ( ! $valid_date ) { 612 $errors->add( 'site_invalid_' . $date_field, __( 'Both registration and last updated dates must be valid dates.' ) ); 613 break; 614 } 615 } 616 } 617 618 if ( ! empty( $errors->errors ) ) { 619 return; 620 } 621 622 // If a new site, or domain/path/network ID have changed, ensure uniqueness. 623 if ( ! $old_site 624 || $data['domain'] !== $old_site->domain 625 || $data['path'] !== $old_site->path 626 || $data['network_id'] !== $old_site->network_id 627 ) { 628 if ( domain_exists( $data['domain'], $data['path'], $data['network_id'] ) ) { 629 $errors->add( 'site_taken', __( 'Sorry, that site already exists!' ) ); 630 } 631 } 632 } 633 634 /** 635 * Runs the initialization routine for a given site. 636 * 637 * This process includes creating the site's database tables and 638 * populating them with defaults. 639 * 640 * @since 5.1.0 641 * 642 * @global wpdb $wpdb WordPress database abstraction object. 643 * @global WP_Roles $wp_roles WordPress role management object. 644 * 645 * @param int|WP_Site $site_id Site ID or object. 646 * @param array $args { 647 * Optional. Arguments to modify the initialization behavior. 648 * 649 * @type int $user_id User ID for the site administrator. Default 0, in which 650 * case the site is created without an administrator 651 * and with an empty admin email address. 652 * @type string $title Site title. Default is 'Site %d' where %d is the 653 * site ID. 654 * @type array $options Custom option $key => $value pairs to use. Default 655 * empty array. 656 * @type array $meta Custom site metadata $key => $value pairs to use. 657 * Default empty array. 658 * } 659 * @return true|WP_Error True on success, or error object on failure. 660 */ 661 function wp_initialize_site( $site_id, array $args = array() ) { 662 global $wpdb, $wp_roles; 663 664 if ( empty( $site_id ) ) { 665 return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); 666 } 667 668 $site = get_site( $site_id ); 669 if ( ! $site ) { 670 return new WP_Error( 'site_invalid_id', __( 'Site with the ID does not exist.' ) ); 671 } 672 673 if ( wp_is_site_initialized( $site ) ) { 674 return new WP_Error( 'site_already_initialized', __( 'The site appears to be already initialized.' ) ); 675 } 676 677 $network = get_network( $site->network_id ); 678 if ( ! $network ) { 679 $network = get_network(); 680 } 681 682 $args = wp_parse_args( 683 $args, 684 array( 685 'user_id' => 0, 686 /* translators: %d: Site ID. */ 687 'title' => sprintf( __( 'Site %d' ), $site->id ), 688 'options' => array(), 689 'meta' => array(), 690 ) 691 ); 692 693 /** 694 * Filters the arguments for initializing a site. 695 * 696 * @since 5.1.0 697 * 698 * @param array $args Arguments to modify the initialization behavior. 699 * @param WP_Site $site Site that is being initialized. 700 * @param WP_Network $network Network that the site belongs to. 701 */ 702 $args = apply_filters( 'wp_initialize_site_args', $args, $site, $network ); 703 704 $orig_installing = wp_installing(); 705 if ( ! $orig_installing ) { 706 wp_installing( true ); 707 } 708 709 $switch = false; 710 if ( get_current_blog_id() !== $site->id ) { 711 $switch = true; 712 switch_to_blog( $site->id ); 713 } 714 715 require_once ABSPATH . 'wp-admin/includes/upgrade.php'; 716 717 // Set up the database tables. 718 make_db_current_silent( 'blog' ); 719 720 $home_scheme = 'http'; 721 $siteurl_scheme = 'http'; 722 if ( ! is_subdomain_install() ) { 723 if ( 'https' === parse_url( get_home_url( $network->site_id ), PHP_URL_SCHEME ) ) { 724 $home_scheme = 'https'; 725 } 726 if ( 'https' === parse_url( get_network_option( $network->id, 'siteurl' ), PHP_URL_SCHEME ) ) { 727 $siteurl_scheme = 'https'; 728 } 729 } 730 731 // Populate the site's options. 732 populate_options( 733 array_merge( 734 array( 735 'home' => untrailingslashit( $home_scheme . '://' . $site->domain . $site->path ), 736 'siteurl' => untrailingslashit( $siteurl_scheme . '://' . $site->domain . $site->path ), 737 'blogname' => wp_unslash( $args['title'] ), 738 'admin_email' => '', 739 'upload_path' => get_network_option( $network->id, 'ms_files_rewriting' ) ? UPLOADBLOGSDIR . "/{$site->id}/files" : get_blog_option( $network->site_id, 'upload_path' ), 740 'blog_public' => (int) $site->public, 741 'WPLANG' => get_network_option( $network->id, 'WPLANG' ), 742 ), 743 $args['options'] 744 ) 745 ); 746 747 // Clean blog cache after populating options. 748 clean_blog_cache( $site ); 749 750 // Populate the site's roles. 751 populate_roles(); 752 $wp_roles = new WP_Roles(); 753 754 // Populate metadata for the site. 755 populate_site_meta( $site->id, $args['meta'] ); 756 757 // Remove all permissions that may exist for the site. 758 $table_prefix = $wpdb->get_blog_prefix(); 759 delete_metadata( 'user', 0, $table_prefix . 'user_level', null, true ); // Delete all. 760 delete_metadata( 'user', 0, $table_prefix . 'capabilities', null, true ); // Delete all. 761 762 // Install default site content. 763 wp_install_defaults( $args['user_id'] ); 764 765 // Set the site administrator. 766 add_user_to_blog( $site->id, $args['user_id'], 'administrator' ); 767 if ( ! user_can( $args['user_id'], 'manage_network' ) && ! get_user_meta( $args['user_id'], 'primary_blog', true ) ) { 768 update_user_meta( $args['user_id'], 'primary_blog', $site->id ); 769 } 770 771 if ( $switch ) { 772 restore_current_blog(); 773 } 774 775 wp_installing( $orig_installing ); 776 777 return true; 778 } 779 780 /** 781 * Runs the uninitialization routine for a given site. 782 * 783 * This process includes dropping the site's database tables and deleting its uploads directory. 784 * 785 * @since 5.1.0 786 * 787 * @global wpdb $wpdb WordPress database abstraction object. 788 * 789 * @param int|WP_Site $site_id Site ID or object. 790 * @return true|WP_Error True on success, or error object on failure. 791 */ 792 function wp_uninitialize_site( $site_id ) { 793 global $wpdb; 794 795 if ( empty( $site_id ) ) { 796 return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); 797 } 798 799 $site = get_site( $site_id ); 800 if ( ! $site ) { 801 return new WP_Error( 'site_invalid_id', __( 'Site with the ID does not exist.' ) ); 802 } 803 804 if ( ! wp_is_site_initialized( $site ) ) { 805 return new WP_Error( 'site_already_uninitialized', __( 'The site appears to be already uninitialized.' ) ); 806 } 807 808 $users = get_users( 809 array( 810 'blog_id' => $site->id, 811 'fields' => 'ids', 812 ) 813 ); 814 815 // Remove users from the site. 816 if ( ! empty( $users ) ) { 817 foreach ( $users as $user_id ) { 818 remove_user_from_blog( $user_id, $site->id ); 819 } 820 } 821 822 $switch = false; 823 if ( get_current_blog_id() !== $site->id ) { 824 $switch = true; 825 switch_to_blog( $site->id ); 826 } 827 828 $uploads = wp_get_upload_dir(); 829 830 $tables = $wpdb->tables( 'blog' ); 831 832 /** 833 * Filters the tables to drop when the site is deleted. 834 * 835 * @since MU (3.0.0) 836 * 837 * @param string[] $tables Array of names of the site tables to be dropped. 838 * @param int $site_id The ID of the site to drop tables for. 839 */ 840 $drop_tables = apply_filters( 'wpmu_drop_tables', $tables, $site->id ); 841 842 foreach ( (array) $drop_tables as $table ) { 843 $wpdb->query( "DROP TABLE IF EXISTS `$table`" ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared 844 } 845 846 /** 847 * Filters the upload base directory to delete when the site is deleted. 848 * 849 * @since MU (3.0.0) 850 * 851 * @param string $basedir Uploads path without subdirectory. See {@see wp_upload_dir()}. 852 * @param int $site_id The site ID. 853 */ 854 $dir = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $site->id ); 855 $dir = rtrim( $dir, DIRECTORY_SEPARATOR ); 856 $top_dir = $dir; 857 $stack = array( $dir ); 858 $index = 0; 859 860 while ( $index < count( $stack ) ) { 861 // Get indexed directory from stack. 862 $dir = $stack[ $index ]; 863 864 // phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged 865 $dh = @opendir( $dir ); 866 if ( $dh ) { 867 $file = @readdir( $dh ); 868 while ( false !== $file ) { 869 if ( '.' === $file || '..' === $file ) { 870 $file = @readdir( $dh ); 871 continue; 872 } 873 874 if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) ) { 875 $stack[] = $dir . DIRECTORY_SEPARATOR . $file; 876 } elseif ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) ) { 877 @unlink( $dir . DIRECTORY_SEPARATOR . $file ); 878 } 879 880 $file = @readdir( $dh ); 881 } 882 @closedir( $dh ); 883 } 884 ++$index; 885 } 886 887 $stack = array_reverse( $stack ); // Last added directories are deepest. 888 foreach ( (array) $stack as $dir ) { 889 if ( $dir !== $top_dir ) { 890 @rmdir( $dir ); 891 } 892 } 893 894 // phpcs:enable WordPress.PHP.NoSilencedErrors.Discouraged 895 if ( $switch ) { 896 restore_current_blog(); 897 } 898 899 return true; 900 } 901 902 /** 903 * Checks whether a site is initialized. 904 * 905 * A site is considered initialized when its database tables are present. 906 * 907 * @since 5.1.0 908 * 909 * @global wpdb $wpdb WordPress database abstraction object. 910 * 911 * @param int|WP_Site $site_id Site ID or object. 912 * @return bool True if the site is initialized, false otherwise. 913 */ 914 function wp_is_site_initialized( $site_id ) { 915 global $wpdb; 916 917 if ( is_object( $site_id ) ) { 918 $site_id = $site_id->blog_id; 919 } 920 $site_id = (int) $site_id; 921 922 /** 923 * Filters the check for whether a site is initialized before the database is accessed. 924 * 925 * Returning a non-null value will effectively short-circuit the function, returning 926 * that value instead. 927 * 928 * @since 5.1.0 929 * 930 * @param bool|null $pre The value to return instead. Default null 931 * to continue with the check. 932 * @param int $site_id The site ID that is being checked. 933 */ 934 $pre = apply_filters( 'pre_wp_is_site_initialized', null, $site_id ); 935 if ( null !== $pre ) { 936 return (bool) $pre; 937 } 938 939 $switch = false; 940 if ( get_current_blog_id() !== $site_id ) { 941 $switch = true; 942 remove_action( 'switch_blog', 'wp_switch_roles_and_user', 1 ); 943 switch_to_blog( $site_id ); 944 } 945 946 $suppress = $wpdb->suppress_errors(); 947 $result = (bool) $wpdb->get_results( "DESCRIBE {$wpdb->posts}" ); 948 $wpdb->suppress_errors( $suppress ); 949 950 if ( $switch ) { 951 restore_current_blog(); 952 add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 ); 953 } 954 955 return $result; 956 } 957 958 /** 959 * Clean the blog cache 960 * 961 * @since 3.5.0 962 * 963 * @global bool $_wp_suspend_cache_invalidation 964 * 965 * @param WP_Site|int $blog The site object or ID to be cleared from cache. 966 */ 967 function clean_blog_cache( $blog ) { 968 global $_wp_suspend_cache_invalidation; 969 970 if ( ! empty( $_wp_suspend_cache_invalidation ) ) { 971 return; 972 } 973 974 if ( empty( $blog ) ) { 975 return; 976 } 977 978 $blog_id = $blog; 979 $blog = get_site( $blog_id ); 980 if ( ! $blog ) { 981 if ( ! is_numeric( $blog_id ) ) { 982 return; 983 } 984 985 // Make sure a WP_Site object exists even when the site has been deleted. 986 $blog = new WP_Site( 987 (object) array( 988 'blog_id' => $blog_id, 989 'domain' => null, 990 'path' => null, 991 ) 992 ); 993 } 994 995 $blog_id = $blog->blog_id; 996 $domain_path_key = md5( $blog->domain . $blog->path ); 997 998 wp_cache_delete( $blog_id, 'sites' ); 999 wp_cache_delete( $blog_id, 'site-details' ); 1000 wp_cache_delete( $blog_id, 'blog-details' ); 1001 wp_cache_delete( $blog_id . 'short', 'blog-details' ); 1002 wp_cache_delete( $domain_path_key, 'blog-lookup' ); 1003 wp_cache_delete( $domain_path_key, 'blog-id-cache' ); 1004 wp_cache_delete( $blog_id, 'blog_meta' ); 1005 1006 /** 1007 * Fires immediately after a site has been removed from the object cache. 1008 * 1009 * @since 4.6.0 1010 * 1011 * @param string $id Site ID as a numeric string. 1012 * @param WP_Site $blog Site object. 1013 * @param string $domain_path_key md5 hash of domain and path. 1014 */ 1015 do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key ); 1016 1017 wp_cache_set_sites_last_changed(); 1018 1019 /** 1020 * Fires after the blog details cache is cleared. 1021 * 1022 * @since 3.4.0 1023 * @deprecated 4.9.0 Use {@see 'clean_site_cache'} instead. 1024 * 1025 * @param int $blog_id Blog ID. 1026 */ 1027 do_action_deprecated( 'refresh_blog_details', array( $blog_id ), '4.9.0', 'clean_site_cache' ); 1028 } 1029 1030 /** 1031 * Adds metadata to a site. 1032 * 1033 * For historical reasons both the meta key and the meta value are expected to be "slashed" (slashes escaped) on input. 1034 * 1035 * @since 5.1.0 1036 * 1037 * @param int $site_id Site ID. 1038 * @param string $meta_key Metadata name. 1039 * @param mixed $meta_value Metadata value. Arrays and objects are stored as serialized data and 1040 * will be returned as the same type when retrieved. Other data types will 1041 * be stored as strings in the database: 1042 * - false is stored and retrieved as an empty string ('') 1043 * - true is stored and retrieved as '1' 1044 * - numbers (both integer and float) are stored and retrieved as strings 1045 * Must be serializable if non-scalar. 1046 * @param bool $unique Optional. Whether the same key should not be added. 1047 * Default false. 1048 * @return int|false Meta ID on success, false on failure. 1049 */ 1050 function add_site_meta( $site_id, $meta_key, $meta_value, $unique = false ) { 1051 return add_metadata( 'blog', $site_id, $meta_key, $meta_value, $unique ); 1052 } 1053 1054 /** 1055 * Removes metadata matching criteria from a site. 1056 * 1057 * You can match based on the key, or key and value. Removing based on key and 1058 * value, will keep from removing duplicate metadata with the same key. It also 1059 * allows removing all metadata matching key, if needed. 1060 * 1061 * For historical reasons both the meta key and the meta value are expected to be "slashed" (slashes escaped) on input. 1062 * 1063 * @since 5.1.0 1064 * 1065 * @param int $site_id Site ID. 1066 * @param string $meta_key Metadata name. 1067 * @param mixed $meta_value Optional. Metadata value. If provided, 1068 * rows will only be removed that match the value. 1069 * Must be serializable if non-scalar. Default empty. 1070 * @return bool True on success, false on failure. 1071 * 1072 * @phpstan-param positive-int $site_id 1073 */ 1074 function delete_site_meta( $site_id, $meta_key, $meta_value = '' ) { 1075 return delete_metadata( 'blog', $site_id, $meta_key, $meta_value ); 1076 } 1077 1078 /** 1079 * Retrieves metadata for a site. 1080 * 1081 * @since 5.1.0 1082 * 1083 * @param int $site_id Site ID. 1084 * @param string $key Optional. The meta key to retrieve. By default, 1085 * returns data for all keys. Default empty. 1086 * @param bool $single Optional. Whether to return a single value. 1087 * This parameter has no effect if `$key` is not specified. 1088 * Default false. 1089 * @return mixed An array of values if `$single` is false. 1090 * The value of meta data field if `$single` is true. 1091 * False for an invalid `$site_id` (non-numeric, zero, or negative value). 1092 * An empty array if a valid but non-existing site ID is passed and `$single` is false. 1093 * An empty string if a valid but non-existing site ID is passed and `$single` is true. 1094 * Note: Non-serialized values are returned as strings: 1095 * - false values are returned as empty strings ('') 1096 * - true values are returned as '1' 1097 * - numbers (both integer and float) are returned as strings 1098 * Arrays and objects retain their original type. 1099 * These conversions apply to stored values. A default value registered 1100 * with {@see register_meta()} is never stored, so it is returned with 1101 * the type it was registered with, which may be an integer, float, or 1102 * boolean. 1103 * 1104 * @phpstan-return ( 1105 * $key is ''|'0' 1106 * ? array<array-key, list<string>>|false 1107 * : ( $single is true 1108 * ? mixed 1109 * : list<mixed>|false ) 1110 * ) 1111 */ 1112 function get_site_meta( $site_id, $key = '', $single = false ) { 1113 return get_metadata( 'blog', $site_id, $key, $single ); 1114 } 1115 1116 /** 1117 * Updates metadata for a site. 1118 * 1119 * Use the `$prev_value` parameter to differentiate between meta fields with the 1120 * same key and site ID. 1121 * 1122 * If the meta field for the site does not exist, it will be added. 1123 * 1124 * For historical reasons both the meta key and the meta value are expected to be "slashed" (slashes escaped) on input. 1125 * 1126 * @since 5.1.0 1127 * 1128 * @param int $site_id Site ID. 1129 * @param string $meta_key Metadata key. 1130 * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. 1131 * @param mixed $prev_value Optional. Previous value to check before updating. 1132 * If specified, only update existing metadata entries with 1133 * this value. Otherwise, update all entries. Default empty. 1134 * @return int|bool Meta ID if the key didn't exist, true on successful update, 1135 * false on failure or if the value passed to the function 1136 * is the same as the one that is already in the database. 1137 */ 1138 function update_site_meta( $site_id, $meta_key, $meta_value, $prev_value = '' ) { 1139 return update_metadata( 'blog', $site_id, $meta_key, $meta_value, $prev_value ); 1140 } 1141 1142 /** 1143 * Deletes everything from site meta matching meta key. 1144 * 1145 * @since 5.1.0 1146 * 1147 * @param string $meta_key Metadata key to search for when deleting. 1148 * @return bool Whether the site meta key was deleted from the database. 1149 */ 1150 function delete_site_meta_by_key( $meta_key ) { 1151 return delete_metadata( 'blog', 0, $meta_key, '', true ); 1152 } 1153 1154 /** 1155 * Registers a meta key for sites. 1156 * 1157 * @since 7.2.0 1158 * 1159 * @param string $meta_key The meta key to register. 1160 * @param array $args Data used to describe the meta key when registered. See 1161 * {@see register_meta()} for a list of supported arguments. 1162 * @return bool True if the meta key was successfully registered, false if not. 1163 */ 1164 function register_site_meta( $meta_key, array $args ) { 1165 return register_meta( 'blog', $meta_key, $args ); 1166 } 1167 1168 /** 1169 * Unregisters a meta key for sites. 1170 * 1171 * @since 7.2.0 1172 * 1173 * @param string $meta_key The meta key to unregister. 1174 * @return bool True on success, false if the meta key was not previously registered. 1175 */ 1176 function unregister_site_meta( $meta_key ) { 1177 return unregister_meta_key( 'blog', $meta_key ); 1178 } 1179 1180 /** 1181 * Updates the count of sites for a network based on a changed site. 1182 * 1183 * @since 5.1.0 1184 * 1185 * @param WP_Site $new_site The site object that has been inserted, updated or deleted. 1186 * @param WP_Site|null $old_site Optional. If $new_site has been updated, this must be the previous 1187 * state of that site. Default null. 1188 */ 1189 function wp_maybe_update_network_site_counts_on_update( $new_site, $old_site = null ) { 1190 if ( null === $old_site ) { 1191 wp_maybe_update_network_site_counts( $new_site->network_id ); 1192 return; 1193 } 1194 1195 if ( $new_site->network_id !== $old_site->network_id ) { 1196 wp_maybe_update_network_site_counts( $new_site->network_id ); 1197 wp_maybe_update_network_site_counts( $old_site->network_id ); 1198 } 1199 } 1200 1201 /** 1202 * Triggers actions on site status updates. 1203 * 1204 * @since 5.1.0 1205 * 1206 * @param WP_Site $new_site The site object after the update. 1207 * @param WP_Site|null $old_site Optional. If $new_site has been updated, this must be the previous 1208 * state of that site. Default null. 1209 */ 1210 function wp_maybe_transition_site_statuses_on_update( $new_site, $old_site = null ) { 1211 $site_id = $new_site->id; 1212 1213 // Use the default values for a site if no previous state is given. 1214 if ( ! $old_site ) { 1215 $old_site = new WP_Site( new stdClass() ); 1216 } 1217 1218 if ( $new_site->spam !== $old_site->spam ) { 1219 if ( '1' === $new_site->spam ) { 1220 1221 /** 1222 * Fires when the 'spam' status is added to a site. 1223 * 1224 * @since MU (3.0.0) 1225 * 1226 * @param int $site_id Site ID. 1227 */ 1228 do_action( 'make_spam_blog', $site_id ); 1229 } else { 1230 1231 /** 1232 * Fires when the 'spam' status is removed from a site. 1233 * 1234 * @since MU (3.0.0) 1235 * 1236 * @param int $site_id Site ID. 1237 */ 1238 do_action( 'make_ham_blog', $site_id ); 1239 } 1240 } 1241 1242 if ( $new_site->mature !== $old_site->mature ) { 1243 if ( '1' === $new_site->mature ) { 1244 1245 /** 1246 * Fires when the 'mature' status is added to a site. 1247 * 1248 * @since 3.1.0 1249 * 1250 * @param int $site_id Site ID. 1251 */ 1252 do_action( 'mature_blog', $site_id ); 1253 } else { 1254 1255 /** 1256 * Fires when the 'mature' status is removed from a site. 1257 * 1258 * @since 3.1.0 1259 * 1260 * @param int $site_id Site ID. 1261 */ 1262 do_action( 'unmature_blog', $site_id ); 1263 } 1264 } 1265 1266 if ( $new_site->archived !== $old_site->archived ) { 1267 if ( '1' === $new_site->archived ) { 1268 1269 /** 1270 * Fires when the 'archived' status is added to a site. 1271 * 1272 * @since MU (3.0.0) 1273 * 1274 * @param int $site_id Site ID. 1275 */ 1276 do_action( 'archive_blog', $site_id ); 1277 } else { 1278 1279 /** 1280 * Fires when the 'archived' status is removed from a site. 1281 * 1282 * @since MU (3.0.0) 1283 * 1284 * @param int $site_id Site ID. 1285 */ 1286 do_action( 'unarchive_blog', $site_id ); 1287 } 1288 } 1289 1290 if ( $new_site->deleted !== $old_site->deleted ) { 1291 if ( '1' === $new_site->deleted ) { 1292 1293 /** 1294 * Fires when the 'flagged for deletion' status is added to a site. 1295 * 1296 * @since 3.5.0 1297 * 1298 * @param int $site_id Site ID. 1299 */ 1300 do_action( 'make_delete_blog', $site_id ); 1301 } else { 1302 1303 /** 1304 * Fires when the 'flagged for deletion' status is removed from a site. 1305 * 1306 * @since 3.5.0 1307 * 1308 * @param int $site_id Site ID. 1309 */ 1310 do_action( 'make_undelete_blog', $site_id ); 1311 } 1312 } 1313 1314 if ( $new_site->public !== $old_site->public ) { 1315 1316 /** 1317 * Fires after the current blog's 'public' setting is updated. 1318 * 1319 * @since MU (3.0.0) 1320 * 1321 * @param int $site_id Site ID. 1322 * @param string $is_public Whether the site is public. A numeric string, 1323 * for compatibility reasons. Accepts '1' or '0'. 1324 */ 1325 do_action( 'update_blog_public', $site_id, $new_site->public ); 1326 } 1327 } 1328 1329 /** 1330 * Cleans the necessary caches after specific site data has been updated. 1331 * 1332 * @since 5.1.0 1333 * 1334 * @param WP_Site $new_site The site object after the update. 1335 * @param WP_Site $old_site The site object prior to the update. 1336 */ 1337 function wp_maybe_clean_new_site_cache_on_update( $new_site, $old_site ) { 1338 if ( $old_site->domain !== $new_site->domain || $old_site->path !== $new_site->path ) { 1339 clean_blog_cache( $new_site ); 1340 } 1341 } 1342 1343 /** 1344 * Updates the `blog_public` option for a given site ID. 1345 * 1346 * @since 5.1.0 1347 * 1348 * @param int $site_id Site ID. 1349 * @param string $is_public Whether the site is public. A numeric string, 1350 * for compatibility reasons. Accepts '1' or '0'. 1351 */ 1352 function wp_update_blog_public_option_on_site_update( $site_id, $is_public ) { 1353 1354 // Bail if the site's database tables do not exist (yet). 1355 if ( ! wp_is_site_initialized( $site_id ) ) { 1356 return; 1357 } 1358 1359 update_blog_option( $site_id, 'blog_public', $is_public ); 1360 } 1361 1362 /** 1363 * Sets the last changed time for the 'sites' cache group. 1364 * 1365 * @since 5.1.0 1366 */ 1367 function wp_cache_set_sites_last_changed() { 1368 wp_cache_set_last_changed( 'sites' ); 1369 } 1370 1371 /** 1372 * Aborts calls to site meta if it is not supported. 1373 * 1374 * @since 5.1.0 1375 * 1376 * @global wpdb $wpdb WordPress database abstraction object. 1377 * 1378 * @param mixed $check Skip-value for whether to proceed site meta function execution. 1379 * @return mixed Original value of $check, or false if site meta is not supported. 1380 */ 1381 function wp_check_site_meta_support_prefilter( $check ) { 1382 if ( ! is_site_meta_supported() ) { 1383 /* translators: %s: Database table name. */ 1384 _doing_it_wrong( __FUNCTION__, sprintf( __( 'The %s table is not installed. Please run the network database upgrade.' ), $GLOBALS['wpdb']->blogmeta ), '5.1.0' ); 1385 return false; 1386 } 1387 1388 return $check; 1389 }
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