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/wp-includes/ -> ms-site.php (source)

   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 array|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  function get_sites( $args = array() ) {
 446      $query = new WP_Site_Query();
 447  
 448      return $query->query( $args );
 449  }
 450  
 451  /**
 452   * Prepares site data for insertion or update in the database.
 453   *
 454   * @since 5.1.0
 455   *
 456   * @param array        $data     Associative array of site data passed to the respective function.
 457   *                               See {@see wp_insert_site()} for the possibly included data.
 458   * @param array        $defaults Site data defaults to parse $data against.
 459   * @param WP_Site|null $old_site Optional. Old site object if an update, or null if an insertion.
 460   *                               Default null.
 461   * @return array|WP_Error Site data ready for a database transaction, or WP_Error in case a validation
 462   *                        error occurred.
 463   */
 464  function wp_prepare_site_data( $data, $defaults, $old_site = null ) {
 465  
 466      // Maintain backward-compatibility with `$site_id` as network ID.
 467      if ( isset( $data['site_id'] ) ) {
 468          if ( ! empty( $data['site_id'] ) && empty( $data['network_id'] ) ) {
 469              $data['network_id'] = $data['site_id'];
 470          }
 471          unset( $data['site_id'] );
 472      }
 473  
 474      /**
 475       * Filters passed site data in order to normalize it.
 476       *
 477       * @since 5.1.0
 478       *
 479       * @param array $data Associative array of site data passed to the respective function.
 480       *                    See {@see wp_insert_site()} for the possibly included data.
 481       */
 482      $data = apply_filters( 'wp_normalize_site_data', $data );
 483  
 484      $allowed_data_fields = array( 'domain', 'path', 'network_id', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' );
 485      $data                = array_intersect_key( wp_parse_args( $data, $defaults ), array_flip( $allowed_data_fields ) );
 486  
 487      $errors = new WP_Error();
 488  
 489      /**
 490       * Fires when data should be validated for a site prior to inserting or updating in the database.
 491       *
 492       * Plugins should amend the `$errors` object via its `WP_Error::add()` method.
 493       *
 494       * @since 5.1.0
 495       *
 496       * @param WP_Error     $errors   Error object to add validation errors to.
 497       * @param array        $data     Associative array of complete site data. See {@see wp_insert_site()}
 498       *                               for the included data.
 499       * @param WP_Site|null $old_site The old site object if the data belongs to a site being updated,
 500       *                               or null if it is a new site being inserted.
 501       */
 502      do_action( 'wp_validate_site_data', $errors, $data, $old_site );
 503  
 504      if ( ! empty( $errors->errors ) ) {
 505          return $errors;
 506      }
 507  
 508      // Prepare for database.
 509      $data['site_id'] = $data['network_id'];
 510      unset( $data['network_id'] );
 511  
 512      return $data;
 513  }
 514  
 515  /**
 516   * Normalizes data for a site prior to inserting or updating in the database.
 517   *
 518   * @since 5.1.0
 519   *
 520   * @param array $data Associative array of site data passed to the respective function.
 521   *                    See {@see wp_insert_site()} for the possibly included data.
 522   * @return array Normalized site data.
 523   */
 524  function wp_normalize_site_data( $data ) {
 525      // Sanitize domain if passed.
 526      if ( array_key_exists( 'domain', $data ) ) {
 527          $data['domain'] = preg_replace( '/[^a-z0-9\-.:]+/i', '', $data['domain'] );
 528      }
 529  
 530      // Sanitize path if passed.
 531      if ( array_key_exists( 'path', $data ) ) {
 532          $data['path'] = trailingslashit( '/' . trim( $data['path'], '/' ) );
 533      }
 534  
 535      // Sanitize network ID if passed.
 536      if ( array_key_exists( 'network_id', $data ) ) {
 537          $data['network_id'] = (int) $data['network_id'];
 538      }
 539  
 540      // Sanitize status fields if passed.
 541      $status_fields = array( 'public', 'archived', 'mature', 'spam', 'deleted' );
 542      foreach ( $status_fields as $status_field ) {
 543          if ( array_key_exists( $status_field, $data ) ) {
 544              $data[ $status_field ] = (int) $data[ $status_field ];
 545          }
 546      }
 547  
 548      // Strip date fields if empty.
 549      $date_fields = array( 'registered', 'last_updated' );
 550      foreach ( $date_fields as $date_field ) {
 551          if ( ! array_key_exists( $date_field, $data ) ) {
 552              continue;
 553          }
 554  
 555          if ( empty( $data[ $date_field ] ) || '0000-00-00 00:00:00' === $data[ $date_field ] ) {
 556              unset( $data[ $date_field ] );
 557          }
 558      }
 559  
 560      return $data;
 561  }
 562  
 563  /**
 564   * Validates data for a site prior to inserting or updating in the database.
 565   *
 566   * @since 5.1.0
 567   *
 568   * @param WP_Error     $errors   Error object, passed by reference. Will contain validation errors if
 569   *                               any occurred.
 570   * @param array        $data     Associative array of complete site data. See {@see wp_insert_site()}
 571   *                               for the included data.
 572   * @param WP_Site|null $old_site The old site object if the data belongs to a site being updated,
 573   *                               or null if it is a new site being inserted.
 574   */
 575  function wp_validate_site_data( $errors, $data, $old_site = null ) {
 576      // A domain must always be present.
 577      if ( empty( $data['domain'] ) ) {
 578          $errors->add( 'site_empty_domain', __( 'Site domain must not be empty.' ) );
 579      }
 580  
 581      // A path must always be present.
 582      if ( empty( $data['path'] ) ) {
 583          $errors->add( 'site_empty_path', __( 'Site path must not be empty.' ) );
 584      }
 585  
 586      // A network ID must always be present.
 587      if ( empty( $data['network_id'] ) ) {
 588          $errors->add( 'site_empty_network_id', __( 'Site network ID must be provided.' ) );
 589      }
 590  
 591      // Both registration and last updated dates must always be present and valid.
 592      $date_fields = array( 'registered', 'last_updated' );
 593      foreach ( $date_fields as $date_field ) {
 594          if ( empty( $data[ $date_field ] ) ) {
 595              $errors->add( 'site_empty_' . $date_field, __( 'Both registration and last updated dates must be provided.' ) );
 596              break;
 597          }
 598  
 599          // Allow '0000-00-00 00:00:00', although it be stripped out at this point.
 600          if ( '0000-00-00 00:00:00' !== $data[ $date_field ] ) {
 601              $month      = substr( $data[ $date_field ], 5, 2 );
 602              $day        = substr( $data[ $date_field ], 8, 2 );
 603              $year       = substr( $data[ $date_field ], 0, 4 );
 604              $valid_date = wp_checkdate( $month, $day, $year, $data[ $date_field ] );
 605              if ( ! $valid_date ) {
 606                  $errors->add( 'site_invalid_' . $date_field, __( 'Both registration and last updated dates must be valid dates.' ) );
 607                  break;
 608              }
 609          }
 610      }
 611  
 612      if ( ! empty( $errors->errors ) ) {
 613          return;
 614      }
 615  
 616      // If a new site, or domain/path/network ID have changed, ensure uniqueness.
 617      if ( ! $old_site
 618          || $data['domain'] !== $old_site->domain
 619          || $data['path'] !== $old_site->path
 620          || $data['network_id'] !== $old_site->network_id
 621      ) {
 622          if ( domain_exists( $data['domain'], $data['path'], $data['network_id'] ) ) {
 623              $errors->add( 'site_taken', __( 'Sorry, that site already exists!' ) );
 624          }
 625      }
 626  }
 627  
 628  /**
 629   * Runs the initialization routine for a given site.
 630   *
 631   * This process includes creating the site's database tables and
 632   * populating them with defaults.
 633   *
 634   * @since 5.1.0
 635   *
 636   * @global wpdb     $wpdb     WordPress database abstraction object.
 637   * @global WP_Roles $wp_roles WordPress role management object.
 638   *
 639   * @param int|WP_Site $site_id Site ID or object.
 640   * @param array       $args    {
 641   *     Optional. Arguments to modify the initialization behavior.
 642   *
 643   *     @type int    $user_id Required. User ID for the site administrator.
 644   *     @type string $title   Site title. Default is 'Site %d' where %d is the
 645   *                           site ID.
 646   *     @type array  $options Custom option $key => $value pairs to use. Default
 647   *                           empty array.
 648   *     @type array  $meta    Custom site metadata $key => $value pairs to use.
 649   *                           Default empty array.
 650   * }
 651   * @return true|WP_Error True on success, or error object on failure.
 652   */
 653  function wp_initialize_site( $site_id, array $args = array() ) {
 654      global $wpdb, $wp_roles;
 655  
 656      if ( empty( $site_id ) ) {
 657          return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) );
 658      }
 659  
 660      $site = get_site( $site_id );
 661      if ( ! $site ) {
 662          return new WP_Error( 'site_invalid_id', __( 'Site with the ID does not exist.' ) );
 663      }
 664  
 665      if ( wp_is_site_initialized( $site ) ) {
 666          return new WP_Error( 'site_already_initialized', __( 'The site appears to be already initialized.' ) );
 667      }
 668  
 669      $network = get_network( $site->network_id );
 670      if ( ! $network ) {
 671          $network = get_network();
 672      }
 673  
 674      $args = wp_parse_args(
 675          $args,
 676          array(
 677              'user_id' => 0,
 678              /* translators: %d: Site ID. */
 679              'title'   => sprintf( __( 'Site %d' ), $site->id ),
 680              'options' => array(),
 681              'meta'    => array(),
 682          )
 683      );
 684  
 685      /**
 686       * Filters the arguments for initializing a site.
 687       *
 688       * @since 5.1.0
 689       *
 690       * @param array      $args    Arguments to modify the initialization behavior.
 691       * @param WP_Site    $site    Site that is being initialized.
 692       * @param WP_Network $network Network that the site belongs to.
 693       */
 694      $args = apply_filters( 'wp_initialize_site_args', $args, $site, $network );
 695  
 696      $orig_installing = wp_installing();
 697      if ( ! $orig_installing ) {
 698          wp_installing( true );
 699      }
 700  
 701      $switch = false;
 702      if ( get_current_blog_id() !== $site->id ) {
 703          $switch = true;
 704          switch_to_blog( $site->id );
 705      }
 706  
 707      require_once  ABSPATH . 'wp-admin/includes/upgrade.php';
 708  
 709      // Set up the database tables.
 710      make_db_current_silent( 'blog' );
 711  
 712      $home_scheme    = 'http';
 713      $siteurl_scheme = 'http';
 714      if ( ! is_subdomain_install() ) {
 715          if ( 'https' === parse_url( get_home_url( $network->site_id ), PHP_URL_SCHEME ) ) {
 716              $home_scheme = 'https';
 717          }
 718          if ( 'https' === parse_url( get_network_option( $network->id, 'siteurl' ), PHP_URL_SCHEME ) ) {
 719              $siteurl_scheme = 'https';
 720          }
 721      }
 722  
 723      // Populate the site's options.
 724      populate_options(
 725          array_merge(
 726              array(
 727                  'home'        => untrailingslashit( $home_scheme . '://' . $site->domain . $site->path ),
 728                  'siteurl'     => untrailingslashit( $siteurl_scheme . '://' . $site->domain . $site->path ),
 729                  'blogname'    => wp_unslash( $args['title'] ),
 730                  'admin_email' => '',
 731                  'upload_path' => get_network_option( $network->id, 'ms_files_rewriting' ) ? UPLOADBLOGSDIR . "/{$site->id}/files" : get_blog_option( $network->site_id, 'upload_path' ),
 732                  'blog_public' => (int) $site->public,
 733                  'WPLANG'      => get_network_option( $network->id, 'WPLANG' ),
 734              ),
 735              $args['options']
 736          )
 737      );
 738  
 739      // Clean blog cache after populating options.
 740      clean_blog_cache( $site );
 741  
 742      // Populate the site's roles.
 743      populate_roles();
 744      $wp_roles = new WP_Roles();
 745  
 746      // Populate metadata for the site.
 747      populate_site_meta( $site->id, $args['meta'] );
 748  
 749      // Remove all permissions that may exist for the site.
 750      $table_prefix = $wpdb->get_blog_prefix();
 751      delete_metadata( 'user', 0, $table_prefix . 'user_level', null, true );   // Delete all.
 752      delete_metadata( 'user', 0, $table_prefix . 'capabilities', null, true ); // Delete all.
 753  
 754      // Install default site content.
 755      wp_install_defaults( $args['user_id'] );
 756  
 757      // Set the site administrator.
 758      add_user_to_blog( $site->id, $args['user_id'], 'administrator' );
 759      if ( ! user_can( $args['user_id'], 'manage_network' ) && ! get_user_meta( $args['user_id'], 'primary_blog', true ) ) {
 760          update_user_meta( $args['user_id'], 'primary_blog', $site->id );
 761      }
 762  
 763      if ( $switch ) {
 764          restore_current_blog();
 765      }
 766  
 767      wp_installing( $orig_installing );
 768  
 769      return true;
 770  }
 771  
 772  /**
 773   * Runs the uninitialization routine for a given site.
 774   *
 775   * This process includes dropping the site's database tables and deleting its uploads directory.
 776   *
 777   * @since 5.1.0
 778   *
 779   * @global wpdb $wpdb WordPress database abstraction object.
 780   *
 781   * @param int|WP_Site $site_id Site ID or object.
 782   * @return true|WP_Error True on success, or error object on failure.
 783   */
 784  function wp_uninitialize_site( $site_id ) {
 785      global $wpdb;
 786  
 787      if ( empty( $site_id ) ) {
 788          return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) );
 789      }
 790  
 791      $site = get_site( $site_id );
 792      if ( ! $site ) {
 793          return new WP_Error( 'site_invalid_id', __( 'Site with the ID does not exist.' ) );
 794      }
 795  
 796      if ( ! wp_is_site_initialized( $site ) ) {
 797          return new WP_Error( 'site_already_uninitialized', __( 'The site appears to be already uninitialized.' ) );
 798      }
 799  
 800      $users = get_users(
 801          array(
 802              'blog_id' => $site->id,
 803              'fields'  => 'ids',
 804          )
 805      );
 806  
 807      // Remove users from the site.
 808      if ( ! empty( $users ) ) {
 809          foreach ( $users as $user_id ) {
 810              remove_user_from_blog( $user_id, $site->id );
 811          }
 812      }
 813  
 814      $switch = false;
 815      if ( get_current_blog_id() !== $site->id ) {
 816          $switch = true;
 817          switch_to_blog( $site->id );
 818      }
 819  
 820      $uploads = wp_get_upload_dir();
 821  
 822      $tables = $wpdb->tables( 'blog' );
 823  
 824      /**
 825       * Filters the tables to drop when the site is deleted.
 826       *
 827       * @since MU (3.0.0)
 828       *
 829       * @param string[] $tables  Array of names of the site tables to be dropped.
 830       * @param int      $site_id The ID of the site to drop tables for.
 831       */
 832      $drop_tables = apply_filters( 'wpmu_drop_tables', $tables, $site->id );
 833  
 834      foreach ( (array) $drop_tables as $table ) {
 835          $wpdb->query( "DROP TABLE IF EXISTS `$table`" ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
 836      }
 837  
 838      /**
 839       * Filters the upload base directory to delete when the site is deleted.
 840       *
 841       * @since MU (3.0.0)
 842       *
 843       * @param string $basedir Uploads path without subdirectory. See {@see wp_upload_dir()}.
 844       * @param int    $site_id The site ID.
 845       */
 846      $dir     = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $site->id );
 847      $dir     = rtrim( $dir, DIRECTORY_SEPARATOR );
 848      $top_dir = $dir;
 849      $stack   = array( $dir );
 850      $index   = 0;
 851  
 852      while ( $index < count( $stack ) ) {
 853          // Get indexed directory from stack.
 854          $dir = $stack[ $index ];
 855  
 856          // phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged
 857          $dh = @opendir( $dir );
 858          if ( $dh ) {
 859              $file = @readdir( $dh );
 860              while ( false !== $file ) {
 861                  if ( '.' === $file || '..' === $file ) {
 862                      $file = @readdir( $dh );
 863                      continue;
 864                  }
 865  
 866                  if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) ) {
 867                      $stack[] = $dir . DIRECTORY_SEPARATOR . $file;
 868                  } elseif ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) ) {
 869                      @unlink( $dir . DIRECTORY_SEPARATOR . $file );
 870                  }
 871  
 872                  $file = @readdir( $dh );
 873              }
 874              @closedir( $dh );
 875          }
 876          ++$index;
 877      }
 878  
 879      $stack = array_reverse( $stack ); // Last added directories are deepest.
 880      foreach ( (array) $stack as $dir ) {
 881          if ( $dir !== $top_dir ) {
 882              @rmdir( $dir );
 883          }
 884      }
 885  
 886      // phpcs:enable WordPress.PHP.NoSilencedErrors.Discouraged
 887      if ( $switch ) {
 888          restore_current_blog();
 889      }
 890  
 891      return true;
 892  }
 893  
 894  /**
 895   * Checks whether a site is initialized.
 896   *
 897   * A site is considered initialized when its database tables are present.
 898   *
 899   * @since 5.1.0
 900   *
 901   * @global wpdb $wpdb WordPress database abstraction object.
 902   *
 903   * @param int|WP_Site $site_id Site ID or object.
 904   * @return bool True if the site is initialized, false otherwise.
 905   */
 906  function wp_is_site_initialized( $site_id ) {
 907      global $wpdb;
 908  
 909      if ( is_object( $site_id ) ) {
 910          $site_id = $site_id->blog_id;
 911      }
 912      $site_id = (int) $site_id;
 913  
 914      /**
 915       * Filters the check for whether a site is initialized before the database is accessed.
 916       *
 917       * Returning a non-null value will effectively short-circuit the function, returning
 918       * that value instead.
 919       *
 920       * @since 5.1.0
 921       *
 922       * @param bool|null $pre     The value to return instead. Default null
 923       *                           to continue with the check.
 924       * @param int       $site_id The site ID that is being checked.
 925       */
 926      $pre = apply_filters( 'pre_wp_is_site_initialized', null, $site_id );
 927      if ( null !== $pre ) {
 928          return (bool) $pre;
 929      }
 930  
 931      $switch = false;
 932      if ( get_current_blog_id() !== $site_id ) {
 933          $switch = true;
 934          remove_action( 'switch_blog', 'wp_switch_roles_and_user', 1 );
 935          switch_to_blog( $site_id );
 936      }
 937  
 938      $suppress = $wpdb->suppress_errors();
 939      $result   = (bool) $wpdb->get_results( "DESCRIBE {$wpdb->posts}" );
 940      $wpdb->suppress_errors( $suppress );
 941  
 942      if ( $switch ) {
 943          restore_current_blog();
 944          add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 );
 945      }
 946  
 947      return $result;
 948  }
 949  
 950  /**
 951   * Clean the blog cache
 952   *
 953   * @since 3.5.0
 954   *
 955   * @global bool $_wp_suspend_cache_invalidation
 956   *
 957   * @param WP_Site|int $blog The site object or ID to be cleared from cache.
 958   */
 959  function clean_blog_cache( $blog ) {
 960      global $_wp_suspend_cache_invalidation;
 961  
 962      if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
 963          return;
 964      }
 965  
 966      if ( empty( $blog ) ) {
 967          return;
 968      }
 969  
 970      $blog_id = $blog;
 971      $blog    = get_site( $blog_id );
 972      if ( ! $blog ) {
 973          if ( ! is_numeric( $blog_id ) ) {
 974              return;
 975          }
 976  
 977          // Make sure a WP_Site object exists even when the site has been deleted.
 978          $blog = new WP_Site(
 979              (object) array(
 980                  'blog_id' => $blog_id,
 981                  'domain'  => null,
 982                  'path'    => null,
 983              )
 984          );
 985      }
 986  
 987      $blog_id         = $blog->blog_id;
 988      $domain_path_key = md5( $blog->domain . $blog->path );
 989  
 990      wp_cache_delete( $blog_id, 'sites' );
 991      wp_cache_delete( $blog_id, 'site-details' );
 992      wp_cache_delete( $blog_id, 'blog-details' );
 993      wp_cache_delete( $blog_id . 'short', 'blog-details' );
 994      wp_cache_delete( $domain_path_key, 'blog-lookup' );
 995      wp_cache_delete( $domain_path_key, 'blog-id-cache' );
 996      wp_cache_delete( $blog_id, 'blog_meta' );
 997  
 998      /**
 999       * Fires immediately after a site has been removed from the object cache.
1000       *
1001       * @since 4.6.0
1002       *
1003       * @param string  $id              Site ID as a numeric string.
1004       * @param WP_Site $blog            Site object.
1005       * @param string  $domain_path_key md5 hash of domain and path.
1006       */
1007      do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key );
1008  
1009      wp_cache_set_sites_last_changed();
1010  
1011      /**
1012       * Fires after the blog details cache is cleared.
1013       *
1014       * @since 3.4.0
1015       * @deprecated 4.9.0 Use {@see 'clean_site_cache'} instead.
1016       *
1017       * @param int $blog_id Blog ID.
1018       */
1019      do_action_deprecated( 'refresh_blog_details', array( $blog_id ), '4.9.0', 'clean_site_cache' );
1020  }
1021  
1022  /**
1023   * Adds metadata to a site.
1024   *
1025   * @since 5.1.0
1026   *
1027   * @param int    $site_id    Site ID.
1028   * @param string $meta_key   Metadata name.
1029   * @param mixed  $meta_value Metadata value. Must be serializable if non-scalar.
1030   * @param bool   $unique     Optional. Whether the same key should not be added.
1031   *                           Default false.
1032   * @return int|false Meta ID on success, false on failure.
1033   */
1034  function add_site_meta( $site_id, $meta_key, $meta_value, $unique = false ) {
1035      return add_metadata( 'blog', $site_id, $meta_key, $meta_value, $unique );
1036  }
1037  
1038  /**
1039   * Removes metadata matching criteria from a site.
1040   *
1041   * You can match based on the key, or key and value. Removing based on key and
1042   * value, will keep from removing duplicate metadata with the same key. It also
1043   * allows removing all metadata matching key, if needed.
1044   *
1045   * @since 5.1.0
1046   *
1047   * @param int    $site_id    Site ID.
1048   * @param string $meta_key   Metadata name.
1049   * @param mixed  $meta_value Optional. Metadata value. If provided,
1050   *                           rows will only be removed that match the value.
1051   *                           Must be serializable if non-scalar. Default empty.
1052   * @return bool True on success, false on failure.
1053   */
1054  function delete_site_meta( $site_id, $meta_key, $meta_value = '' ) {
1055      return delete_metadata( 'blog', $site_id, $meta_key, $meta_value );
1056  }
1057  
1058  /**
1059   * Retrieves metadata for a site.
1060   *
1061   * @since 5.1.0
1062   *
1063   * @param int    $site_id Site ID.
1064   * @param string $key     Optional. The meta key to retrieve. By default,
1065   *                        returns data for all keys. Default empty.
1066   * @param bool   $single  Optional. Whether to return a single value.
1067   *                        This parameter has no effect if `$key` is not specified.
1068   *                        Default false.
1069   * @return mixed An array of values if `$single` is false.
1070   *               The value of meta data field if `$single` is true.
1071   *               False for an invalid `$site_id` (non-numeric, zero, or negative value).
1072   *               An empty string if a valid but non-existing site ID is passed.
1073   */
1074  function get_site_meta( $site_id, $key = '', $single = false ) {
1075      return get_metadata( 'blog', $site_id, $key, $single );
1076  }
1077  
1078  /**
1079   * Updates metadata for a site.
1080   *
1081   * Use the $prev_value parameter to differentiate between meta fields with the
1082   * same key and site ID.
1083   *
1084   * If the meta field for the site does not exist, it will be added.
1085   *
1086   * @since 5.1.0
1087   *
1088   * @param int    $site_id    Site ID.
1089   * @param string $meta_key   Metadata key.
1090   * @param mixed  $meta_value Metadata value. Must be serializable if non-scalar.
1091   * @param mixed  $prev_value Optional. Previous value to check before updating.
1092   *                           If specified, only update existing metadata entries with
1093   *                           this value. Otherwise, update all entries. Default empty.
1094   * @return int|bool Meta ID if the key didn't exist, true on successful update,
1095   *                  false on failure or if the value passed to the function
1096   *                  is the same as the one that is already in the database.
1097   */
1098  function update_site_meta( $site_id, $meta_key, $meta_value, $prev_value = '' ) {
1099      return update_metadata( 'blog', $site_id, $meta_key, $meta_value, $prev_value );
1100  }
1101  
1102  /**
1103   * Deletes everything from site meta matching meta key.
1104   *
1105   * @since 5.1.0
1106   *
1107   * @param string $meta_key Metadata key to search for when deleting.
1108   * @return bool Whether the site meta key was deleted from the database.
1109   */
1110  function delete_site_meta_by_key( $meta_key ) {
1111      return delete_metadata( 'blog', null, $meta_key, '', true );
1112  }
1113  
1114  /**
1115   * Updates the count of sites for a network based on a changed site.
1116   *
1117   * @since 5.1.0
1118   *
1119   * @param WP_Site      $new_site The site object that has been inserted, updated or deleted.
1120   * @param WP_Site|null $old_site Optional. If $new_site has been updated, this must be the previous
1121   *                               state of that site. Default null.
1122   */
1123  function wp_maybe_update_network_site_counts_on_update( $new_site, $old_site = null ) {
1124      if ( null === $old_site ) {
1125          wp_maybe_update_network_site_counts( $new_site->network_id );
1126          return;
1127      }
1128  
1129      if ( $new_site->network_id !== $old_site->network_id ) {
1130          wp_maybe_update_network_site_counts( $new_site->network_id );
1131          wp_maybe_update_network_site_counts( $old_site->network_id );
1132      }
1133  }
1134  
1135  /**
1136   * Triggers actions on site status updates.
1137   *
1138   * @since 5.1.0
1139   *
1140   * @param WP_Site      $new_site The site object after the update.
1141   * @param WP_Site|null $old_site Optional. If $new_site has been updated, this must be the previous
1142   *                               state of that site. Default null.
1143   */
1144  function wp_maybe_transition_site_statuses_on_update( $new_site, $old_site = null ) {
1145      $site_id = $new_site->id;
1146  
1147      // Use the default values for a site if no previous state is given.
1148      if ( ! $old_site ) {
1149          $old_site = new WP_Site( new stdClass() );
1150      }
1151  
1152      if ( $new_site->spam !== $old_site->spam ) {
1153          if ( '1' === $new_site->spam ) {
1154  
1155              /**
1156               * Fires when the 'spam' status is added to a site.
1157               *
1158               * @since MU (3.0.0)
1159               *
1160               * @param int $site_id Site ID.
1161               */
1162              do_action( 'make_spam_blog', $site_id );
1163          } else {
1164  
1165              /**
1166               * Fires when the 'spam' status is removed from a site.
1167               *
1168               * @since MU (3.0.0)
1169               *
1170               * @param int $site_id Site ID.
1171               */
1172              do_action( 'make_ham_blog', $site_id );
1173          }
1174      }
1175  
1176      if ( $new_site->mature !== $old_site->mature ) {
1177          if ( '1' === $new_site->mature ) {
1178  
1179              /**
1180               * Fires when the 'mature' status is added to a site.
1181               *
1182               * @since 3.1.0
1183               *
1184               * @param int $site_id Site ID.
1185               */
1186              do_action( 'mature_blog', $site_id );
1187          } else {
1188  
1189              /**
1190               * Fires when the 'mature' status is removed from a site.
1191               *
1192               * @since 3.1.0
1193               *
1194               * @param int $site_id Site ID.
1195               */
1196              do_action( 'unmature_blog', $site_id );
1197          }
1198      }
1199  
1200      if ( $new_site->archived !== $old_site->archived ) {
1201          if ( '1' === $new_site->archived ) {
1202  
1203              /**
1204               * Fires when the 'archived' status is added to a site.
1205               *
1206               * @since MU (3.0.0)
1207               *
1208               * @param int $site_id Site ID.
1209               */
1210              do_action( 'archive_blog', $site_id );
1211          } else {
1212  
1213              /**
1214               * Fires when the 'archived' status is removed from a site.
1215               *
1216               * @since MU (3.0.0)
1217               *
1218               * @param int $site_id Site ID.
1219               */
1220              do_action( 'unarchive_blog', $site_id );
1221          }
1222      }
1223  
1224      if ( $new_site->deleted !== $old_site->deleted ) {
1225          if ( '1' === $new_site->deleted ) {
1226  
1227              /**
1228               * Fires when the 'deleted' status is added to a site.
1229               *
1230               * @since 3.5.0
1231               *
1232               * @param int $site_id Site ID.
1233               */
1234              do_action( 'make_delete_blog', $site_id );
1235          } else {
1236  
1237              /**
1238               * Fires when the 'deleted' status is removed from a site.
1239               *
1240               * @since 3.5.0
1241               *
1242               * @param int $site_id Site ID.
1243               */
1244              do_action( 'make_undelete_blog', $site_id );
1245          }
1246      }
1247  
1248      if ( $new_site->public !== $old_site->public ) {
1249  
1250          /**
1251           * Fires after the current blog's 'public' setting is updated.
1252           *
1253           * @since MU (3.0.0)
1254           *
1255           * @param int    $site_id   Site ID.
1256           * @param string $is_public Whether the site is public. A numeric string,
1257           *                          for compatibility reasons. Accepts '1' or '0'.
1258           */
1259          do_action( 'update_blog_public', $site_id, $new_site->public );
1260      }
1261  }
1262  
1263  /**
1264   * Cleans the necessary caches after specific site data has been updated.
1265   *
1266   * @since 5.1.0
1267   *
1268   * @param WP_Site $new_site The site object after the update.
1269   * @param WP_Site $old_site The site object prior to the update.
1270   */
1271  function wp_maybe_clean_new_site_cache_on_update( $new_site, $old_site ) {
1272      if ( $old_site->domain !== $new_site->domain || $old_site->path !== $new_site->path ) {
1273          clean_blog_cache( $new_site );
1274      }
1275  }
1276  
1277  /**
1278   * Updates the `blog_public` option for a given site ID.
1279   *
1280   * @since 5.1.0
1281   *
1282   * @param int    $site_id   Site ID.
1283   * @param string $is_public Whether the site is public. A numeric string,
1284   *                          for compatibility reasons. Accepts '1' or '0'.
1285   */
1286  function wp_update_blog_public_option_on_site_update( $site_id, $is_public ) {
1287  
1288      // Bail if the site's database tables do not exist (yet).
1289      if ( ! wp_is_site_initialized( $site_id ) ) {
1290          return;
1291      }
1292  
1293      update_blog_option( $site_id, 'blog_public', $is_public );
1294  }
1295  
1296  /**
1297   * Sets the last changed time for the 'sites' cache group.
1298   *
1299   * @since 5.1.0
1300   */
1301  function wp_cache_set_sites_last_changed() {
1302      wp_cache_set_last_changed( 'sites' );
1303  }
1304  
1305  /**
1306   * Aborts calls to site meta if it is not supported.
1307   *
1308   * @since 5.1.0
1309   *
1310   * @global wpdb $wpdb WordPress database abstraction object.
1311   *
1312   * @param mixed $check Skip-value for whether to proceed site meta function execution.
1313   * @return mixed Original value of $check, or false if site meta is not supported.
1314   */
1315  function wp_check_site_meta_support_prefilter( $check ) {
1316      if ( ! is_site_meta_supported() ) {
1317          /* translators: %s: Database table name. */
1318          _doing_it_wrong( __FUNCTION__, sprintf( __( 'The %s table is not installed. Please run the network database upgrade.' ), $GLOBALS['wpdb']->blogmeta ), '5.1.0' );
1319          return false;
1320      }
1321  
1322      return $check;
1323  }


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