app\models\Event::stringMode PHP Method

    public function stringMode($mode)
    {
        switch ($mode) {
            case 'osu!mania':
                return 'mania';
            case 'Taiko':
                return 'taiko';
            case 'osu!':
                return 'osu';
            case 'Catch the Beat':
                return 'fruits';
        }
    }