src/FactoryGallery.php
private static function validateUrl(string $string): string
    {
        if (filter_var($string, FILTER_VALIDATE_URL) === false) {
            throw new \Exception("Invalid url : ${string}");
        }
        return $string;
    }
private static function validateUrl(string $string): string
    {
        if (filter_var($string, FILTER_VALIDATE_URL) === false) {
            throw new \Exception("Invalid url : ${string}");
        }
        return $string;
    }
Make Sure Url in string with correct url format
@throws \Exception