Payment: paymentSetDecodedValue is empty aldığım hata bu.



Bir değeri boş gönderiyor diyor.

    add_action("init", "d3Yonlendir");
    function d3Yonlendir()
    {
        if (!empty($_REQUEST['Reason']) && empty($_REQUEST['payment_method'])) {
            wc_add_notice(base64_decode($_REQUEST['Reason']), 'error');
        }
        if (isset($_REQUEST['d3Yonlendir'])) {
            $order_id = $_REQUEST['d3Yonlendir'];
            $paynkolay = new paynkolay();
            $options = get_option("woocommerce_paynkolay_settings");
            $order = wc_get_order($order_id);
            $sx = $options['sx'];
            $okUrl = get_site_url() . "/wc-api/paynkolay";
            $failUrl = $order->get_checkout_payment_url(true);
            $merchant_secret_key = $options['merchant_secret_key'];
            $rnd = time();
            $uniq_code = md5($rnd);
            $amount = $_REQUEST['odenecek_tutar'];
            $clientRefCode = time() . md5($order_id);
            update_post_meta($order_id, "client_reference_code", $clientRefCode);
            $hashstr = $sx . $clientRefCode . $amount . $okUrl . $failUrl . $rnd . $merchant_secret_key;
            $hashData = base64_encode(pack('H*', sha1($hashstr)));
            if ($options['3d_secure'] == "3d") {
                $use3D = "true";
            } else {
                $use3D = "false";
            }
            $vars = [
                'sx' => $sx,
                'clientRefCode' => $clientRefCode,
                'successUrl' => $okUrl,
                'failUrl' => $failUrl,
                'amount' => $amount,
                'installmentNo' => $_REQUEST['secilen_taksit'],
                'cardHolderName' => $_REQUEST['cardHolderName'],
                'month' => $_REQUEST['ay'],
                'year' => $_REQUEST['yil'],
                'cvv' => $_REQUEST['cvv'],
                'cardNumber' => $_REQUEST['cardNumber'],
                'EncodedValue' => $_REQUEST['tsx' . $_REQUEST['secilen_taksit']],
                'use3D' => $use3D,
                'transactionType' => 'SALES',
                'hosturl' => get_site_url(),
                'rnd' => $rnd,
                'hashData' => $hashData,
                'environment' => 'API',
            ];

            $result = json_decode($paynkolay->start3d($vars));
            if ($result->USE_3D == "false") {
                /*
                 * İşlem 3d değilse bu kısımdan işlem yapar.
                 */
                if ($result->RESPONSE_CODE != 2) {
                    wc_add_notice($result->RESPONSE_DATA, 'notice');
                } else {
                    global $wpdb;
                    $read = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->prefix}postmeta WHERE meta_key = 'client_reference_code' AND meta_value = '%s'", $clientRefCode));
                    if (isset($read->post_id)) {
                        update_post_meta($read->post_id, "reference_code", $_REQUEST['REFERENCE_CODE']);
                        global $woocommerce;
                        $order = wc_get_order($read->post_id);
                        if ($result->RESPONSE_CODE == 2) {
                            $order->payment_complete();
                            $woocommerce->cart->empty_cart();
                            header("Location: " . $order->get_checkout_order_received_url());
                        } else {
                            header("Location: " . $order->get_checkout_payment_url() . "&Reason=" . base64_encode($sonuc->RESPONSE_DATA));
                        }
                    } else {
                        esc_html__('Geçersiz istek', 'paynkolay');
                    }
                    exit;
                }
            } else {
                /*
                 * İşlem 3d ise bu kısımdan işlem yapar
                 */
                if ($result->RESPONSE_CODE != 2) {
                    header("Location: " . $order->get_checkout_payment_url() . "&Reason=" . base64_encode($result->RESPONSE_DATA));
                } else {
                    print_r($result->BANK_REQUEST_MESSAGE);
                    exit;
                }
            }
        }
    }

bakıyorm ama boş gönderilen değer de yok. anlmadım gitti.