OpenCart 🇺🇦

$this->load->model('checkout/order');

$order_info = $this->model_checkout_order->getOrder($this->session->data['order_id']);

$url = 'https://www.sagepayments.net/cgi-bin/eftbankcard.dll?transaction';

$data  = 'm_id=' . $this->config->get('sagepay_us_merchant_id');
$data .= '&m_key=' . $this->config->get('sagepay_us_merchant_key');
$data .= '&T_amt=' . urlencode($this->currency->format($order_info['total'], $order_info['currency_code'], 1.00000, false));
$data .= '&T_ordernum=' . $this->session->data['order_id'];
$data .= '&C_name=' . urlencode($this->request->post['cc_owner']);
$data .= '&C_address=' . urlencode($order_info['payment_address_1']);
$data .= '&C_state=' . urlencode($order_info['payment_zone']);
$data .= '&C_city=' . urlencode($order_info['payment_city']);
$data .= '&C_cardnumber=' . urlencode($this->request->post['cc_number']);
$data .= '&C_exp=' . urlencode($this->request->post['cc_expire_date_month'] . substr($this->request->post['cc_expire_date_year'], '2'));
$data .= '&C_cvv=' . urlencode($this->request->post['cc_cvv2']);
$data .= '&C_zip=' . urlencode($order_info['payment_postcode']);
$data .= '&C_email=' . urlencode($order_info['email']);
$data .= '&T_code=02';

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

$response = curl_exec($ch);

curl_close($ch);

$json = array();

if ($response[1] == 'A') {
	$this->model_checkout_order->confirm($this->session->data['order_id'], $this->config->get('config_order_status_id'));

	$message  = 'Approval Indicator: ' . $response[1] . "\n";
	$message .= 'Approval/Error Code: ' . substr($response, 2, 6) . "\n";
	$message .= 'Approval/Error Message: ' . substr($response, 8, 32) . "\n";
	$message .= 'Front-End Indicator: ' . substr($response, 40, 2) . "\n";
	$message .= 'CVV Indicator: ' . $response[42] . "\n";
	$message .= 'AVS Indicator: ' . $response[43] . "\n";
	$message .= 'Risk Indicator: ' . substr($response, 44, 2) . "\n";
	$message .= 'Reference: ' . substr($response, 46, 10) . "\n";
	$message .= 'Order Number: ' . substr($response, strpos($response, chr(28)) + 1, strrpos($response, chr(28) - 1)) . "\n";

	$this->model_checkout_order->update($this->session->data['order_id'], $this->config->get('sagepay_us_order_status_id'), $message, false);

	$json['success'] = $this->url->link('checkout/success');
} else {
	$json['error'] = substr($response, 8, 32);
}

$this->response->setOutput(json_encode($json));