if (isset($_GET["uxBtnPay"]) && $_GET["uxBtnPay"] != "") {
$transmissionTime = $_GET["uxTransmissionTime"] = isset($_GET["uxTransmissionTime"]) && $_GET["uxTransmissionTime"] != '' ? $_GET["uxTransmissionTime"] : gmdate("Y-m-d H:i:s");
$merchantOrderId = $_GET["uxMerchantOrderId"];
$amount = $_GET["uxAmount"];
$vat = $_GET["uxVat"];
$vatFormat = $_GET["uxVatFormat"];
$currency = $_GET["uxCurrency"];
$msisdn = $_GET["uxMSISDN"] = isset($_GET["uxMSISDN"]) && $_GET["uxMSISDN"] != '' ? $_GET["uxMSISDN"] : '';
$description = $_GET["uxDescription"];
$isImmediate = $_GET["uxImmediate"];
$useDeliveryAddress = $_GET["uxUseDeliveryAddress"] = isset($_GET["uxUseDeliveryAddress"]) && $_GET["uxUseDeliveryAddress"] != '' ? $_GET["uxUseDeliveryAddress"] : '';
$returnUrl = $_GET["uxReturnUrl"];
$cancelUrl = $_GET["uxCancelUrl"];
$postbackUrl = $_GET["uxpostbackUrl"];
$client = new Client();
$responseObject = $client->createPayment($merchantId, $transmissionTime, $amount, $vat, $vatFormat, $currency, $description, $merchantOrderId, $isImmediate, $environment, $secretKey, $msisdn, $useDeliveryAddress, $returnUrl, $cancelUrl, $postbackUrl);
if (is_object($responseObject) && !empty($responseObject->body->transaction) && $responseObject->body->transaction->merchantOrderId == $merchantOrderId) {
$height = 375;
//$_GET["iframewidth"] >= 485 ? 252 : 340;
$width = $_GET["iframewidth"] >= 300 ? $_GET["iframewidth"] : 300;
$standAloneLogoHeightMargin = 110;
if ($_GET["uxMode"] == "Window") {
$link = '';
foreach ($responseObject->body->links as $value) {
if ($value->rel == 'cashier-standalone') {
$link = $value->href;
break;
}
}
$standAloneSnippet = 'window.open("' . $link . '", "WyWallet-Kassan", "width=' . $width . ', height=' . ($height + $standAloneLogoHeightMargin) . '");';
$standAloneLink = $link;