function sofort_process_payment($purchase_data)
{
    global $edd_options;
    // check there is a gateway name
    if (!isset($purchase_data['post_data']['edd-gateway'])) {
        return;
    }
    // collect payment data
    $payment_data = array('price' => $purchase_data['price'], 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => $edd_options['currency'], 'downloads' => $purchase_data['downloads'], 'user_info' => $purchase_data['user_info'], 'cart_details' => $purchase_data['cart_details'], 'status' => 'pending');
    $errors = edd_get_errors();
    if ($errors) {
        // problems? send back
        edd_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['edd-gateway']);
    } else {
        $payment = edd_insert_payment($payment_data);
        // check payment
        if (!$payment) {
            edd_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['edd-gateway']);
        } else {
            if (!class_exists('SofortLib')) {
                require_once 'library/sofortLib.php';
            }
            $return_url = add_query_arg('payment-confirmation', 'paypal', get_permalink($edd_options['success_page']));
            $Sofort = new SofortLib_Multipay(trim($edd_options['sofort_config_id']));
            $Sofort->setSofortueberweisung();
            $Sofort->setAmount($purchase_data['price']);
            $Sofort->setReason('CartId ' . $payment, $purchase_data['post_data']['edd_first'] . ' ' . $purchase_data['post_data']['edd_last']);
            $Sofort->addUserVariable($payment);
            $Sofort->setSuccessUrl($return_url);
            $Sofort->setAbortUrl(edd_get_failed_transaction_uri());
            $Sofort->setTimeoutUrl(edd_get_failed_transaction_uri());
            $Sofort->setNotificationUrl(home_url('/?sofort=ipn'));
            $Sofort->sendRequest();
            if ($Sofort->isError()) {
                //PNAG-API didn't accept the data
                wp_die($Sofort->getError(), 'Error');
            } else {
                //buyer must be redirected to $paymentUrl else payment cannot be successfully completed!
                $paymentUrl = $Sofort->getPaymentUrl();
                edd_empty_cart();
                wp_redirect($paymentUrl);
                exit;
            }
        }
    }
}
 function onAfterOrderConfirm(&$order, &$methods, $method_id)
 {
     parent::onAfterOrderConfirm($order, $methods, $method_id);
     require_once dirname(__FILE__) . '/library/sofortLib.php';
     $viewType = 'end';
     if (empty($this->payment_params->return_url)) {
         $return_url = HIKASHOP_LIVE . 'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id=' . $order->order_id . $this->url_itemid;
     } else {
         $return_url = $this->payment_params->return_url;
     }
     $notify_url = HIKASHOP_LIVE . 'index.php?option=com_hikashop&ctrl=checkout&task=notify&notif_payment=' . $this->name . '&tmpl=component&lang=nl';
     if (empty($this->payment_params->cancel_url)) {
         $cancel_url = HIKASHOP_LIVE . 'index.php?option=com_hikashop&ctrl=order&task=cancel_order';
     } else {
         $cancel_url = $this->payment_params->cancel_url;
     }
     $configkey = $this->payment_params->user_id . ':' . $this->payment_params->project_id . ':' . $this->payment_params->token;
     $amount = round($order->cart->full_total->prices[0]->price_value_with_tax, (int) $this->currency->currency_locale['int_frac_digits']);
     $order_text = "\r\n" . JText::sprintf('betaling Feeen en ridders: order ', $order->order_id);
     $transactionId = 0;
     $Sofort = new SofortLib_Multipay($configkey);
     $Sofort->setSofortueberweisung();
     $Sofort->setAmount($amount, $this->currency->currency_code);
     $Sofort->setReason($order_text);
     $Sofort->addUserVariable($order->order_id);
     //$Sofort->setSofortrechnungOrderId($order->order_id);
     $Sofort->addUserVariable($method_id);
     $Sofort->setSuccessUrl($return_url);
     $Sofort->setAbortUrl($cancel_url);
     $Sofort->setTimeoutUrl($cancel_url);
     $Sofort->setNotificationUrl($notify_url);
     $Sofort->sendRequest();
     if ($Sofort->isError()) {
         //PNAG-API didn't accept the data
         echo $Sofort->getError();
         return false;
     } else {
         //buyer must be redirected to $paymentUrl else payment cannot be successfully completed!
         $this->redirect_url = $Sofort->getPaymentUrl();
         //header('Location: '.$this->redirect_url);
     }
     return $this->showPage('end');
 }
 * Copyright (c) 2012 SOFORT AG
 * 
 * Released under the GNU General Public License (Version 2)
 * [http://www.gnu.org/licenses/gpl-2.0.html]
 *
 * $Date: 2012-11-21 12:02:12 +0100 (Wed, 21 Nov 2012) $
 * @version SofortLib 1.5.0rc  $Id: example_sofortvorkasse.php 5724 2012-11-21 11:02:12Z rotsch $
 * @author SOFORT AG http://www.sofort.com (integration@sofort.com)
 *
 */
require_once '../../library/sofortLib.php';
define('CONFIGKEY', '1111:2222:1f7d368b64eb8d3e69500885f1c13e7c');
//your configkey or userid:projektid:apikey
$Sofort = new SofortLib_Multipay(CONFIGKEY);
$Sofort->setSofortvorkasse();
$Sofort->setAmount(10);
$Sofort->setReason('testueberweisung', 'verwendungszweck 2');
$Sofort->setSenderAccount('88888888', '12345678', 'Max Mustermann');
$Sofort->setSuccessUrl('https://{website}/');
$Sofort->setAbortUrl('https://{website}/');
$Sofort->setTimeoutUrl('https://{website}/');
$Sofort->setNotificationUrl('https://{website}/');
$Sofort->sendRequest();
if ($Sofort->isError()) {
    //PNAG-API didn't accept the data
    echo $Sofort->getError();
} else {
    //buyer must be redirected to $paymentUrl else payment cannot be successfully completed!
    $paymentUrl = $Sofort->getPaymentUrl();
    header('Location: ' . $paymentUrl);
}