<?php
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;
}