OpenCart 🇺🇦

$default_parameters = array(
	'USER' => $this->config->get('pp_payflow_iframe_user'),
	'VENDOR' => $this->config->get('pp_payflow_iframe_vendor'),
	'PWD' => $this->config->get('pp_payflow_iframe_password'),
	'PARTNER' => $this->config->get('pp_payflow_iframe_partner'),
	'BUTTONSOURCE' => 'OpenCart_Cart_PFP',
);

$call_parameters = array_merge($data, $default_parameters);

if ($this->config->get('pp_payflow_iframe_test')) {
	$url = 'https://pilot-payflowpro.paypal.com';
} else {
	$url = 'https://payflowpro.paypal.com';
}

$query_params = array();

foreach ($call_parameters as $key => $value) {
	$query_params[] = $key . '=' . utf8_decode($value);
}

$this->log('Call data: ' . implode('&', $query_params));

$curl = curl_init($url);

curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, implode('&', $query_params));
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

$response = curl_exec($curl);

$this->log('Response data: ' . $response);

$response_params = array();
parse_str($response, $response_params);

return $response_params;