/**
* Provides access to an instance of Jetpack_Network
*
* This is how the Jetpack_Network object should *always* be accessed
*
* @since 2.9
* @return Jetpack_Network
*/
public static function init()
{
if (!self::$instance || !is_a(self::$instance, 'Jetpack_Network')) {
self::$instance = new Jetpack_Network();
}
return self::$instance;
}
