/** * Makes a ping request * @param string $lang language of request see SupportedLanguages class * @throws PayUException * @return The response to the ping request sent */ static function doPing($lang = null) { $payUHttpRequestInfo = new PayUHttpRequestInfo(Environment::PAYMENTS_API, RequestMethod::POST); return PayUApiServiceUtil::sendRequest(RequestPaymentsUtil::buildPingRequest($lang), $payUHttpRequestInfo); }