PayU\Client::sendRequest PHP Method

    private function sendRequest(RequestAbstract $request, $endpointUrl)
    {
        $client = new HttpClient();
        $client->setConfig(array('curl.options' => array(CURLOPT_SSL_VERIFYPEER => false, CURLOPT_SSL_VERIFYHOST => false)));
        $httpRequest = $client->post($endpointUrl, null, $request->getRawData());
        try {
            return $httpRequest->send()->getBody();
        } catch (RequestException $e) {
            throw new ConnectionError($e->getMessage());
        }
    }