protected function curlRequest($ctrl, $method, $param)
{
$url = \AlternativePayments\Config::getApiUrl() . "/" . $ctrl;
$key = \AlternativePayments\Config::getApiKey();
if ($key == null) {
throw new ApiException("API Key not defined.");
}
$encodedKey = base64_encode($key);
if ($method == "GET" && ($param != null && $param != "")) {
$url = $url . "/" . $param;
}
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $method);
curl_setopt($curl, CURLOPT_POSTFIELDS, $param);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json', 'User-Agent: AlternativePayments PHP SDK v0.1.0', 'Content-Length: ' . strlen($param), 'Authorization: Basic ' . $encodedKey));
$result = curl_exec($curl);
if (!$result) {
throw new ApiException("Connection Error - Invalid URL");
}
$this->parseResponse(curl_getinfo($curl), $result);
curl_close($curl);
return $result;
}