public static function _get($key, $subkey = null) { if (null === self::$_data) { if (!empty($_MIDGARD)) { self::$_data = $_MIDGARD; } else { self::$_data = self::$_defaults; } } if (null === $subkey && isset(self::$_data[$key])) { return self::$_data[$key]; } if (null !== $subkey && isset(self::$_data[$key][$subkey])) { return self::$_data[$key][$subkey]; } return null; }