/**
* Execute a request using curl
*
* @param string $url URL
* @param mixed $parameters Array of parameters
* @param string $http_method HTTP Method
* @param array $http_headers HTTP Headers
* @return array
*/
private function executeRequest($url, $parameters = array(), $http_method = 'GET')
{
$curl_options = array(CURLOPT_RETURNTRANSFER => true, CURLOPT_SSL_VERIFYPEER => false, CURLOPT_SSL_VERIFYHOST => 2, CURLOPT_CUSTOMREQUEST => $http_method, CURLOPT_CONNECTTIMEOUT => $this->curlConnectionTimeout, CURLOPT_TIMEOUT => $this->curlRequestTimeout);
switch ($http_method) {
case 'POST':
$curl_options[CURLOPT_POST] = true;
$curl_options[CURLOPT_POSTFIELDS] = $parameters;
break;
default:
if (is_array($parameters)) {
$url .= '?' . http_build_query($parameters, null, '&');
} elseif ($parameters) {
$url .= '?' . $parameters;
}
break;
}
$curl_options[CURLOPT_URL] = $url;
$ch = curl_init();
curl_setopt_array($ch, $curl_options);
$result = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
if ($curl_error = curl_error($ch)) {
throw new VKException($curl_error, VKException::CURL_ERROR);
} else {
$json_decode = json_decode($result, true);
}
curl_close($ch);
// Handling API errors
if (is_array($json_decode) && isset($json_decode['error'])) {
VKException::raise(array('result' => $json_decode, 'code' => $http_code));
}
if ($http_code !== 200) {
VKException::raise(array('http' => true, 'code' => $http_code));
}
if (json_last_error() !== \JSON_ERROR_NONE) {
throw new VKException('JSON decoding error', json_last_error());
}
return $json_decode;
}
