Omnipay\Alipay\Requests\AbstractAopRequest::getRequestUrl PHP Метод

    protected function getRequestUrl($data)
    {
        $queryParams = $data;
        unset($queryParams['biz_content']);
        ksort($queryParams);
        $url = sprintf('%s?%s', $this->getEndpoint(), http_build_query($queryParams));
        return $url;
    }