477 líneas
12 KiB
PHP
477 líneas
12 KiB
PHP
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<?php
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/**
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* Network API: WP_Network class
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*
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* @package WordPress
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* @subpackage Multisite
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* @since 4.4.0
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*/
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/**
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* Core class used for interacting with a multisite network.
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*
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* This class is used during load to populate the `$current_site` global and
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* setup the current network.
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*
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* This class is most useful in WordPress multi-network installations where the
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* ability to interact with any network of sites is required.
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*
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* @since 4.4.0
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*
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* @property int $id
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* @property int $site_id
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*/
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#[AllowDynamicProperties]
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class WP_Network {
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/**
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* Network ID.
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*
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* @since 4.4.0
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* @since 4.6.0 Converted from public to private to explicitly enable more intuitive
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* access via magic methods. As part of the access change, the type was
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* also changed from `string` to `int`.
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* @var int
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*/
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private $id;
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/**
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* Domain of the network.
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*
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* @since 4.4.0
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* @var string
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*/
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public $domain = '';
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/**
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* Path of the network.
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*
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* @since 4.4.0
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* @var string
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*/
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public $path = '';
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/**
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* The ID of the network's main site.
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*
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* Named "blog" vs. "site" for legacy reasons. A main site is mapped to
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* the network when the network is created.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 4.4.0
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* @var string
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*/
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private $blog_id = '0';
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/**
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* Domain used to set cookies for this network.
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*
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* @since 4.4.0
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* @var string
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*/
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public $cookie_domain = '';
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/**
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* Name of this network.
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*
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* Named "site" vs. "network" for legacy reasons.
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*
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* @since 4.4.0
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* @var string
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*/
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public $site_name = '';
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/**
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* Retrieves a network from the database by its ID.
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*
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* @since 4.4.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param int $network_id The ID of the network to retrieve.
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* @return WP_Network|false The network's object if found. False if not.
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*/
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public static function get_instance( $network_id ) {
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global $wpdb;
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$network_id = (int) $network_id;
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if ( ! $network_id ) {
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return false;
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}
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$_network = wp_cache_get( $network_id, 'networks' );
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if ( false === $_network ) {
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$_network = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->site} WHERE id = %d LIMIT 1", $network_id ) );
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if ( empty( $_network ) || is_wp_error( $_network ) ) {
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$_network = -1;
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}
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wp_cache_add( $network_id, $_network, 'networks' );
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}
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if ( is_numeric( $_network ) ) {
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return false;
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}
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return new WP_Network( $_network );
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}
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/**
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* Creates a new WP_Network object.
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*
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* Will populate object properties from the object provided and assign other
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* default properties based on that information.
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*
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* @since 4.4.0
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*
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* @param WP_Network|object $network A network object.
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*/
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public function __construct( $network ) {
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foreach ( get_object_vars( $network ) as $key => $value ) {
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$this->$key = $value;
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}
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$this->_set_site_name();
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$this->_set_cookie_domain();
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}
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/**
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* Getter.
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*
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* Allows current multisite naming conventions when getting properties.
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*
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* @since 4.6.0
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*
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* @param string $key Property to get.
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* @return mixed Value of the property. Null if not available.
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*/
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public function __get( $key ) {
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switch ( $key ) {
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case 'id':
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return (int) $this->id;
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case 'blog_id':
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return (string) $this->get_main_site_id();
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case 'site_id':
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return $this->get_main_site_id();
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}
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return null;
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}
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/**
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* Isset-er.
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*
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* Allows current multisite naming conventions when checking for properties.
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*
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* @since 4.6.0
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*
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* @param string $key Property to check if set.
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* @return bool Whether the property is set.
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*/
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public function __isset( $key ) {
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switch ( $key ) {
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case 'id':
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case 'blog_id':
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case 'site_id':
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return true;
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}
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return false;
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}
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/**
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* Setter.
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*
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* Allows current multisite naming conventions while setting properties.
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*
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* @since 4.6.0
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*
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* @param string $key Property to set.
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* @param mixed $value Value to assign to the property.
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*/
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public function __set( $key, $value ) {
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switch ( $key ) {
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case 'id':
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$this->id = (int) $value;
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break;
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case 'blog_id':
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case 'site_id':
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$this->blog_id = (string) $value;
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break;
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default:
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$this->$key = $value;
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}
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}
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/**
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* Returns the main site ID for the network.
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*
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* Internal method used by the magic getter for the 'blog_id' and 'site_id'
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* properties.
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*
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* @since 4.9.0
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*
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* @return int The ID of the main site.
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*/
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private function get_main_site_id() {
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/**
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* Filters the main site ID.
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*
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* Returning a positive integer will effectively short-circuit the function.
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*
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* @since 4.9.0
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*
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* @param int|null $main_site_id If a positive integer is returned, it is interpreted as the main site ID.
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* @param WP_Network $network The network object for which the main site was detected.
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*/
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$main_site_id = (int) apply_filters( 'pre_get_main_site_id', null, $this );
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if ( 0 < $main_site_id ) {
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return $main_site_id;
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}
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if ( 0 < (int) $this->blog_id ) {
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return (int) $this->blog_id;
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}
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if ( ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' )
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&& DOMAIN_CURRENT_SITE === $this->domain && PATH_CURRENT_SITE === $this->path )
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|| ( defined( 'SITE_ID_CURRENT_SITE' ) && (int) SITE_ID_CURRENT_SITE === $this->id )
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) {
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if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) {
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$this->blog_id = (string) BLOG_ID_CURRENT_SITE;
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return (int) $this->blog_id;
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}
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if ( defined( 'BLOGID_CURRENT_SITE' ) ) { // Deprecated.
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$this->blog_id = (string) BLOGID_CURRENT_SITE;
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return (int) $this->blog_id;
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}
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}
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$site = get_site();
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if ( $site->domain === $this->domain && $site->path === $this->path ) {
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$main_site_id = (int) $site->id;
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} else {
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$main_site_id = get_network_option( $this->id, 'main_site' );
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if ( false === $main_site_id ) {
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$_sites = get_sites(
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array(
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'fields' => 'ids',
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'number' => 1,
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'domain' => $this->domain,
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'path' => $this->path,
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'network_id' => $this->id,
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)
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);
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$main_site_id = ! empty( $_sites ) ? array_shift( $_sites ) : 0;
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update_network_option( $this->id, 'main_site', $main_site_id );
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}
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}
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$this->blog_id = (string) $main_site_id;
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return (int) $this->blog_id;
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}
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/**
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* Sets the site name assigned to the network if one has not been populated.
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*
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* @since 4.4.0
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*/
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private function _set_site_name() {
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if ( ! empty( $this->site_name ) ) {
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return;
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}
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$default = ucfirst( $this->domain );
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$this->site_name = get_network_option( $this->id, 'site_name', $default );
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}
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/**
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* Sets the cookie domain based on the network domain if one has
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* not been populated.
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*
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* @todo What if the domain of the network doesn't match the current site?
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*
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* @since 4.4.0
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*/
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private function _set_cookie_domain() {
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if ( ! empty( $this->cookie_domain ) ) {
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return;
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}
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$this->cookie_domain = $this->domain;
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if ( str_starts_with( $this->cookie_domain, 'www.' ) ) {
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$this->cookie_domain = substr( $this->cookie_domain, 4 );
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}
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}
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/**
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* Retrieves the closest matching network for a domain and path.
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*
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* This will not necessarily return an exact match for a domain and path. Instead, it
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* breaks the domain and path into pieces that are then used to match the closest
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* possibility from a query.
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*
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* The intent of this method is to match a network during bootstrap for a
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* requested site address.
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*
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* @since 4.4.0
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*
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* @param string $domain Domain to check.
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* @param string $path Path to check.
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* @param int|null $segments Path segments to use. Defaults to null, or the full path.
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* @return WP_Network|false Network object if successful. False when no network is found.
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*/
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public static function get_by_path( $domain = '', $path = '', $segments = null ) {
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$domains = array( $domain );
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$pieces = explode( '.', $domain );
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/*
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* It's possible one domain to search is 'com', but it might as well
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* be 'localhost' or some other locally mapped domain.
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*/
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while ( array_shift( $pieces ) ) {
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if ( ! empty( $pieces ) ) {
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$domains[] = implode( '.', $pieces );
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}
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}
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/*
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* If we've gotten to this function during normal execution, there is
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* more than one network installed. At this point, who knows how many
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* we have. Attempt to optimize for the situation where networks are
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* only domains, thus meaning paths never need to be considered.
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*
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* This is a very basic optimization; anything further could have
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* drawbacks depending on the setup, so this is best done per-installation.
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*/
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$using_paths = true;
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if ( wp_using_ext_object_cache() ) {
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$using_paths = get_networks(
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array(
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'number' => 1,
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'count' => true,
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'path__not_in' => '/',
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)
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);
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}
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$paths = array();
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if ( $using_paths ) {
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$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
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/**
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* Filters the number of path segments to consider when searching for a site.
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*
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||
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* @since 3.9.0
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*
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||
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* @param int|null $segments The number of path segments to consider. WordPress by default looks at
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* one path segment. The function default of null only makes sense when you
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* know the requested path should match a network.
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* @param string $domain The requested domain.
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* @param string $path The requested path, in full.
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||
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*/
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$segments = apply_filters( 'network_by_path_segments_count', $segments, $domain, $path );
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if ( ( null !== $segments ) && count( $path_segments ) > $segments ) {
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$path_segments = array_slice( $path_segments, 0, $segments );
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}
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while ( count( $path_segments ) ) {
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$paths[] = '/' . implode( '/', $path_segments ) . '/';
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array_pop( $path_segments );
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}
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$paths[] = '/';
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}
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||
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/**
|
||
|
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* Determines a network by its domain and path.
|
||
|
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*
|
||
|
|
* This allows one to short-circuit the default logic, perhaps by
|
||
|
|
* replacing it with a routine that is more optimal for your setup.
|
||
|
|
*
|
||
|
|
* Return null to avoid the short-circuit. Return false if no network
|
||
|
|
* can be found at the requested domain and path. Otherwise, return
|
||
|
|
* an object from wp_get_network().
|
||
|
|
*
|
||
|
|
* @since 3.9.0
|
||
|
|
*
|
||
|
|
* @param null|false|WP_Network $network Network value to return by path. Default null
|
||
|
|
* to continue retrieving the network.
|
||
|
|
* @param string $domain The requested domain.
|
||
|
|
* @param string $path The requested path, in full.
|
||
|
|
* @param int|null $segments The suggested number of paths to consult.
|
||
|
|
* Default null, meaning the entire path was to be consulted.
|
||
|
|
* @param string[] $paths Array of paths to search for, based on `$path` and `$segments`.
|
||
|
|
*/
|
||
|
|
$pre = apply_filters( 'pre_get_network_by_path', null, $domain, $path, $segments, $paths );
|
||
|
|
if ( null !== $pre ) {
|
||
|
|
return $pre;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! $using_paths ) {
|
||
|
|
$networks = get_networks(
|
||
|
|
array(
|
||
|
|
'number' => 1,
|
||
|
|
'orderby' => array(
|
||
|
|
'domain_length' => 'DESC',
|
||
|
|
),
|
||
|
|
'domain__in' => $domains,
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
if ( ! empty( $networks ) ) {
|
||
|
|
return array_shift( $networks );
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$networks = get_networks(
|
||
|
|
array(
|
||
|
|
'orderby' => array(
|
||
|
|
'domain_length' => 'DESC',
|
||
|
|
'path_length' => 'DESC',
|
||
|
|
),
|
||
|
|
'domain__in' => $domains,
|
||
|
|
'path__in' => $paths,
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Domains are sorted by length of domain, then by length of path.
|
||
|
|
* The domain must match for the path to be considered. Otherwise,
|
||
|
|
* a network with the path of / will suffice.
|
||
|
|
*/
|
||
|
|
$found = false;
|
||
|
|
foreach ( $networks as $network ) {
|
||
|
|
if ( ( $network->domain === $domain ) || ( "www.{$network->domain}" === $domain ) ) {
|
||
|
|
if ( in_array( $network->path, $paths, true ) ) {
|
||
|
|
$found = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ( '/' === $network->path ) {
|
||
|
|
$found = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( true === $found ) {
|
||
|
|
return $network;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|