public static function runCallable(array &$u) {
		self::$actionParams = [ ];
		if (\sizeof ( $u ) > 1) {
			self::$actionParams = array_slice ( $u, 1 );
		}
		if (isset ( self::$config ['di'] )) {
			$di = self::$config ['di'];
			if (\is_array ( $di )) {
				self::$actionParams = array_merge ( self::$actionParams, $di );
			}
		}
		call_user_func_array ( $u [0], self::$actionParams );
	}