/** * Cancels a subscription * @param parameters The parameters to be sent to the server * @param string $lang language of request see SupportedLanguages class * @return The response to the request sent * @throws PayUException * @throws InvalidArgumentException */ public static function cancel($parameters, $lang = null) { $required = array(PayUParameters::SUBSCRIPTION_ID); CommonRequestUtil::validateParameters($parameters, $required); $request = PayUSubscriptionsRequestUtil::buildSubscription($parameters); $urlSegment = PayUSubscriptionsUrlResolver::getInstance()->getUrlSegment(PayUSubscriptionsUrlResolver::SUBSCRIPTIONS_ENTITY, PayUSubscriptionsUrlResolver::DELETE_OPERATION, array($parameters[PayUParameters::SUBSCRIPTION_ID])); $payUHttpRequestInfo = PayUSubscriptionsRequestUtil::buildHttpRequestInfo($urlSegment, $lang, RequestMethod::DELETE); return PayUApiServiceUtil::sendRequest($request, $payUHttpRequestInfo); }