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<?php /** * Network API * * @package WordPress * @subpackage Multisite * @since 5.1.0 */ /** * Retrieves network data given a network ID or network object. * * Network data will be cached and returned after being passed through a filter. * If the provided network is empty, the current network global will be used. * * @since 4.6.0 * * @global WP_Network $current_site * * @param WP_Network|int|null $network Optional. Network to retrieve. Default is the current network. * @return WP_Network|null The network object or null if not found. */ function get_network( $network = null ) { global $current_site; if ( empty( $network ) && isset( $current_site ) ) { $network = $current_site; } if ( $network instanceof WP_Network ) { $_network = $network; } elseif ( is_object( $network ) ) { $_network = new WP_Network( $network ); } else { $_network = WP_Network::get_instance( $network ); } if ( ! $_network ) { return null; } /** * Fires after a network is retrieved. * * @since 4.6.0 * * @param WP_Network $_network Network data. */ $_network = apply_filters( 'get_network', $_network ); return $_network; } /** * Retrieves a list of networks. * * @since 4.6.0 * * @param string|array $args Optional. Array or string of arguments. See WP_Network_Query::parse_query() * for information on accepted arguments. Default empty array. * @return array|int List of WP_Network objects, a list of network IDs when 'fields' is set to 'ids', * or the number of networks when 'count' is passed as a query var. */ function get_networks( $args = array() ) { $query = new WP_Network_Query(); return $query->query( $args ); } /** * Removes a network from the object cache. * * @since 4.6.0 * * @global bool $_wp_suspend_cache_invalidation * * @param int|array $ids Network ID or an array of network IDs to remove from cache. */ function clean_network_cache( $ids ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } $network_ids = (array) $ids; wp_cache_delete_multiple( $network_ids, 'networks' ); foreach ( $network_ids as $id ) { /** * Fires immediately after a network has been removed from the object cache. * * @since 4.6.0 * * @param int $id Network ID. */ do_action( 'clean_network_cache', $id ); } wp_cache_set_last_changed( 'networks' ); } /** * Updates the network cache of given networks. * * Will add the networks in $networks to the cache. If network ID already exists * in the network cache then it will not be updated. The network is added to the * cache using the network group with the key using the ID of the networks. * * @since 4.6.0 * * @param array $networks Array of network row objects. */ function update_network_cache( $networks ) { $data = array(); foreach ( (array) $networks as $network ) { $data[ $network->id ] = $network; } wp_cache_add_multiple( $data, 'networks' ); } /** * Adds any networks from the given IDs to the cache that do not already exist in cache. * * @since 4.6.0 * @since 6.1.0 This function is no longer marked as "private". * * @see update_network_cache() * @global wpdb $wpdb WordPress database abstraction object. * * @param array $network_ids Array of network IDs. */ function _prime_network_caches( $network_ids ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $network_ids, 'networks' ); if ( ! empty( $non_cached_ids ) ) { $fresh_networks = $wpdb->get_results( sprintf( "SELECT $wpdb->site.* FROM $wpdb->site WHERE id IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared update_network_cache( $fresh_networks ); } }
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