JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3RbrsetLocale(\Iyzipay\Model\Locale::TR); $request->setConversationId("123456789"); $request->setPaymentId("1"); # make request $apmRetrieve = \Iyzipay\Model\Apm::retrieve($request, Config::options()); # print result print_r($apmRetrieve); #verify signature $currency = $apmRetrieve->getCurrency(); $basketId = $apmRetrieve->getBasketId(); $conversationId = $apmRetrieve->getConversationId(); $paidPrice = $apmRetrieve->getPaidPrice(); $price = $apmRetrieve->getPrice(); $paymentId = $apmRetrieve->getPaymentId(); $redirectUrl = $apmRetrieve->getRedirectUrl(); $signature = $apmRetrieve->getSignature(); $calculatedSignature = calculateHmacSHA256Signature(array($currency, $basketId, $conversationId, $paidPrice, $price, $paymentId, $redirectUrl)); $verified = $signature == $calculatedSignature; echo "Signature verified: $verified";