Goose\Images\ImageUtils::getFileExtensionName PHP 메소드

    private static function getFileExtensionName($imageDetails)
    {
        $extensions = ['image/gif' => '.gif', 'image/jpeg' => '.jpg', 'image/png' => '.png'];
        return isset($extensions[$imageDetails->mime]) ? $extensions[$imageDetails->mime] : 'NA';
    }