function paywith_credit_card() {
//    print_r($_POST);
//    exit;
    if ($_POST) {

        $is_sandbox = 0;
        $total_order_price_final = $_POST["total"];
        $localized_currency = $_POST["currency"];
        $item_name = $_POST["item_name"];
        $ccnumber = trim($_POST["ccnumber"]);
        $return_url = $_POST["return"];
        $full_name = $_POST["username"];
        //$cc_type = trim($_POST["cc_type"]);
        $expiration_month = trim($_POST["expiration_month"]);
        $expiration_year = trim($_POST["expiration_year"]);
        $monthyear = $expiration_month . $expiration_year;
        $cvv = trim($_POST["cvv"]);
       
        $curl = curl_init();

        curl_setopt_array($curl, array(
            CURLOPT_URL => "https://api.worldpay.com/v1/tokens",
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_ENCODING => "",
            CURLOPT_MAXREDIRS => 10,
            CURLOPT_TIMEOUT => 30,
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
            CURLOPT_CUSTOMREQUEST => "POST",
            CURLOPT_POSTFIELDS => "{\"reusable\":false,\"paymentMethod\":{\"type\":\"Card\",\"expiryMonth\":\"$expiration_month\",\"name\":\"$full_name\",\"expiryYear\":\"$expiration_year\",\"cardNumber\":\"$ccnumber\",\"cvc\":\"$cvv\"},\"clientKey\":\"T_C_dadb0812-3066-490f-9c02-e09f03657b1e\",\"shopperLanguageCode\":\"EN\"}",
            CURLOPT_HTTPHEADER => array(
                'Content-Type: application/json',
                "Postman-Token: 0dcc35eb-bc57-4686-9705-3ef0aa2cae01",
                "cache-control: no-cache"
            ),
        ));

        $curl_response = json_decode(curl_exec($curl));
        $err = curl_error($curl);
       
        curl_close($curl);
        if ($err) {
            $response["result"] = "0";
            $response["text"] = $err;
        } else {
            $total_order_price_final = $total_order_price_final * 100;
            $curl = curl_init();

            curl_setopt_array($curl, array(
                CURLOPT_URL => "https://api.worldpay.com/v1/orders",
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_ENCODING => "",
                CURLOPT_MAXREDIRS => 10,
                CURLOPT_TIMEOUT => 30,
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                CURLOPT_CUSTOMREQUEST => "POST",
                CURLOPT_POSTFIELDS => "{\n    \"token\" : \"$curl_response->token\",\n    \"orderDescription\" : \"$item_name\",\"customerOrderCode\":\"$tracking_code\",\"name\":\"$full_name\",\n    \"amount\" : $total_order_price_final,\n    \"currencyCode\" : \"$localized_currency\"\n}",
                CURLOPT_HTTPHEADER => array(
                    "Authorization: T_S_82c9052e-3590-4a62-90b6-b56ac06f3633",
                    "Content-type: application/json",
                    "Postman-Token: 4db09bbb-8d4f-4d67-a61b-589895f8caf0",
                    "cache-control: no-cache"
                ),
            ));

            $curl_response = curl_exec($curl);
            $err = curl_error($curl);             
            curl_close($curl);

            if ($err) {
                $response["result"] = "0";
                $response["text"] = $err;
            } else {
                $order_response = json_decode($curl_response);               
                $response["result"] = "1";
                $response["text"] = '<h1>Thank You very much.</h1><p>we have received your payment!</p>';
            }
        }
        echo json_encode($response);
    }
    exit;
}