WP_Network::get_instance( int $network_id ): WP_Network|false
Retrieves a network from the database by its ID.
Parameters
-
$network_id
int Required -
The ID of the network to retrieve.
Return
WP_Network|false The network's object if found. False if not.
Source
File: wp-includes/class-wp-network.php
.
View all references
public static function get_instance( $network_id ) {
global $wpdb;
$network_id = (int) $network_id;
if ( ! $network_id ) {
return false;
}
$_network = wp_cache_get( $network_id, 'networks' );
if ( false === $_network ) {
$_network = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->site} WHERE id = %d LIMIT 1", $network_id ) );
if ( empty( $_network ) || is_wp_error( $_network ) ) {
$_network = -1;
}
wp_cache_add( $network_id, $_network, 'networks' );
}
if ( is_numeric( $_network ) ) {
return false;
}
return new WP_Network( $_network );
}
Changelog
Version | Description |
---|---|
4.4.0 | Introduced. |