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

   1  <?php
   2  /**
   3   * Site API: WP_Site class
   4   *
   5   * @package WordPress
   6   * @subpackage Multisite
   7   * @since 4.5.0
   8   */
   9  
  10  /**
  11   * Core class used for interacting with a multisite site.
  12   *
  13   * This class is used during load to populate the `$current_blog` global and
  14   * setup the current site.
  15   *
  16   * @since 4.5.0
  17   *
  18   * @property int    $id
  19   * @property int    $network_id
  20   * @property string $blogname
  21   * @property string $siteurl
  22   * @property int    $post_count
  23   * @property string $home
  24   */
  25  final class WP_Site {
  26  
  27      /**
  28       * Site ID.
  29       *
  30       * Named "blog" vs. "site" for legacy reasons.
  31       *
  32       * A numeric string, for compatibility reasons.
  33       *
  34       * @since 4.5.0
  35       * @var string
  36       */
  37      public $blog_id;
  38  
  39      /**
  40       * Domain of the site.
  41       *
  42       * @since 4.5.0
  43       * @var string
  44       */
  45      public $domain = '';
  46  
  47      /**
  48       * Path of the site.
  49       *
  50       * @since 4.5.0
  51       * @var string
  52       */
  53      public $path = '';
  54  
  55      /**
  56       * The ID of the site's parent network.
  57       *
  58       * Named "site" vs. "network" for legacy reasons. An individual site's "site" is
  59       * its network.
  60       *
  61       * A numeric string, for compatibility reasons.
  62       *
  63       * @since 4.5.0
  64       * @var string
  65       */
  66      public $site_id = '0';
  67  
  68      /**
  69       * The date and time on which the site was created or registered.
  70       *
  71       * @since 4.5.0
  72       * @var string Date in MySQL's datetime format.
  73       */
  74      public $registered = '0000-00-00 00:00:00';
  75  
  76      /**
  77       * The date and time on which site settings were last updated.
  78       *
  79       * @since 4.5.0
  80       * @var string Date in MySQL's datetime format.
  81       */
  82      public $last_updated = '0000-00-00 00:00:00';
  83  
  84      /**
  85       * Whether the site should be treated as public.
  86       *
  87       * A numeric string, for compatibility reasons.
  88       *
  89       * @since 4.5.0
  90       * @var string
  91       */
  92      public $public = '1';
  93  
  94      /**
  95       * Whether the site should be treated as archived.
  96       *
  97       * A numeric string, for compatibility reasons.
  98       *
  99       * @since 4.5.0
 100       * @var string
 101       */
 102      public $archived = '0';
 103  
 104      /**
 105       * Whether the site should be treated as mature.
 106       *
 107       * Handling for this does not exist throughout WordPress core, but custom
 108       * implementations exist that require the property to be present.
 109       *
 110       * A numeric string, for compatibility reasons.
 111       *
 112       * @since 4.5.0
 113       * @var string
 114       */
 115      public $mature = '0';
 116  
 117      /**
 118       * Whether the site should be treated as spam.
 119       *
 120       * A numeric string, for compatibility reasons.
 121       *
 122       * @since 4.5.0
 123       * @var string
 124       */
 125      public $spam = '0';
 126  
 127      /**
 128       * Whether the site should be treated as deleted.
 129       *
 130       * A numeric string, for compatibility reasons.
 131       *
 132       * @since 4.5.0
 133       * @var string
 134       */
 135      public $deleted = '0';
 136  
 137      /**
 138       * The language pack associated with this site.
 139       *
 140       * A numeric string, for compatibility reasons.
 141       *
 142       * @since 4.5.0
 143       * @var string
 144       */
 145      public $lang_id = '0';
 146  
 147      /**
 148       * Retrieves a site from the database by its ID.
 149       *
 150       * @since 4.5.0
 151       *
 152       * @global wpdb $wpdb WordPress database abstraction object.
 153       *
 154       * @param int $site_id The ID of the site to retrieve.
 155       * @return WP_Site|false The site's object if found. False if not.
 156       */
 157  	public static function get_instance( $site_id ) {
 158          global $wpdb;
 159  
 160          $site_id = (int) $site_id;
 161          if ( ! $site_id ) {
 162              return false;
 163          }
 164  
 165          $_site = wp_cache_get( $site_id, 'sites' );
 166  
 167          if ( false === $_site ) {
 168              $_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->blogs} WHERE blog_id = %d LIMIT 1", $site_id ) );
 169  
 170              if ( empty( $_site ) || is_wp_error( $_site ) ) {
 171                  $_site = -1;
 172              }
 173  
 174              wp_cache_add( $site_id, $_site, 'sites' );
 175          }
 176  
 177          if ( is_numeric( $_site ) ) {
 178              return false;
 179          }
 180  
 181          return new WP_Site( $_site );
 182      }
 183  
 184      /**
 185       * Creates a new WP_Site object.
 186       *
 187       * Will populate object properties from the object provided and assign other
 188       * default properties based on that information.
 189       *
 190       * @since 4.5.0
 191       *
 192       * @param WP_Site|object $site A site object.
 193       */
 194  	public function __construct( $site ) {
 195          foreach ( get_object_vars( $site ) as $key => $value ) {
 196              $this->$key = $value;
 197          }
 198      }
 199  
 200      /**
 201       * Converts an object to array.
 202       *
 203       * @since 4.6.0
 204       *
 205       * @return array Object as array.
 206       */
 207  	public function to_array() {
 208          return get_object_vars( $this );
 209      }
 210  
 211      /**
 212       * Getter.
 213       *
 214       * Allows current multisite naming conventions when getting properties.
 215       * Allows access to extended site properties.
 216       *
 217       * @since 4.6.0
 218       *
 219       * @param string $key Property to get.
 220       * @return mixed Value of the property. Null if not available.
 221       */
 222  	public function __get( $key ) {
 223          switch ( $key ) {
 224              case 'id':
 225                  return (int) $this->blog_id;
 226              case 'network_id':
 227                  return (int) $this->site_id;
 228              case 'blogname':
 229              case 'siteurl':
 230              case 'post_count':
 231              case 'home':
 232              default: // Custom properties added by 'site_details' filter.
 233                  if ( ! did_action( 'ms_loaded' ) ) {
 234                      return null;
 235                  }
 236  
 237                  $details = $this->get_details();
 238                  if ( isset( $details->$key ) ) {
 239                      return $details->$key;
 240                  }
 241          }
 242  
 243          return null;
 244      }
 245  
 246      /**
 247       * Isset-er.
 248       *
 249       * Allows current multisite naming conventions when checking for properties.
 250       * Checks for extended site properties.
 251       *
 252       * @since 4.6.0
 253       *
 254       * @param string $key Property to check if set.
 255       * @return bool Whether the property is set.
 256       */
 257  	public function __isset( $key ) {
 258          switch ( $key ) {
 259              case 'id':
 260              case 'network_id':
 261                  return true;
 262              case 'blogname':
 263              case 'siteurl':
 264              case 'post_count':
 265              case 'home':
 266                  if ( ! did_action( 'ms_loaded' ) ) {
 267                      return false;
 268                  }
 269                  return true;
 270              default: // Custom properties added by 'site_details' filter.
 271                  if ( ! did_action( 'ms_loaded' ) ) {
 272                      return false;
 273                  }
 274  
 275                  $details = $this->get_details();
 276                  if ( isset( $details->$key ) ) {
 277                      return true;
 278                  }
 279          }
 280  
 281          return false;
 282      }
 283  
 284      /**
 285       * Setter.
 286       *
 287       * Allows current multisite naming conventions while setting properties.
 288       *
 289       * @since 4.6.0
 290       *
 291       * @param string $key   Property to set.
 292       * @param mixed  $value Value to assign to the property.
 293       */
 294  	public function __set( $key, $value ) {
 295          switch ( $key ) {
 296              case 'id':
 297                  $this->blog_id = (string) $value;
 298                  break;
 299              case 'network_id':
 300                  $this->site_id = (string) $value;
 301                  break;
 302              default:
 303                  $this->$key = $value;
 304          }
 305      }
 306  
 307      /**
 308       * Retrieves the details for this site.
 309       *
 310       * This method is used internally to lazy-load the extended properties of a site.
 311       *
 312       * @since 4.6.0
 313       *
 314       * @see WP_Site::__get()
 315       *
 316       * @return stdClass A raw site object with all details included.
 317       */
 318  	private function get_details() {
 319          $details = wp_cache_get( $this->blog_id, 'site-details' );
 320  
 321          if ( false === $details ) {
 322  
 323              switch_to_blog( $this->blog_id );
 324              // Create a raw copy of the object for backward compatibility with the filter below.
 325              $details = new stdClass();
 326              foreach ( get_object_vars( $this ) as $key => $value ) {
 327                  $details->$key = $value;
 328              }
 329              $details->blogname   = get_option( 'blogname' );
 330              $details->siteurl    = get_option( 'siteurl' );
 331              $details->post_count = get_option( 'post_count' );
 332              $details->home       = get_option( 'home' );
 333              restore_current_blog();
 334  
 335              wp_cache_set( $this->blog_id, $details, 'site-details' );
 336          }
 337  
 338          /** This filter is documented in wp-includes/ms-blogs.php */
 339          $details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' );
 340  
 341          /**
 342           * Filters a site's extended properties.
 343           *
 344           * @since 4.6.0
 345           *
 346           * @param stdClass $details The site details.
 347           */
 348          $details = apply_filters( 'site_details', $details );
 349  
 350          return $details;
 351      }
 352  }


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