155 lines
3.1 KiB
PHP
155 lines
3.1 KiB
PHP
<?php
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/**
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* Network API: WP_Network object 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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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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* @access public
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* @var int
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*/
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public $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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* @access public
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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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* @access public
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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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* @since 4.4.0
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* @access public
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* @var int
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*/
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public $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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* @access public
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* @var int
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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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* @access public
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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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* Retrieve a network from the database by its ID.
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*
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* @since 4.4.0
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* @access public
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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|bool 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 ( ! $_network ) {
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$_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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return false;
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}
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wp_cache_add( $network_id, $_network, 'networks' );
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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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* Create 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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* @access public
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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_cookie_domain();
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}
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/**
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* Set 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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* @access private
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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 ( 'www.' === substr( $this->cookie_domain, 0, 4 ) ) {
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$this->cookie_domain = substr( $this->cookie_domain, 4 );
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}
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}
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}
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