/**
* Instanciator for the singleton.
*
* @param string $routes_file
* @return Router
*/
public static function getInstance($routes_file = null)
{
if (!self::$_instance) {
self::$_instance = new Router();
if ($routes_file) {
self::$_instance->load($routes_file);
}
}
return self::$_instance;
}
