/**
* Pecl HTTP request headers
*
* If the pecl_http extension is loaded use it to get the incoming
* request headers, otherwise return null. Abstracted for testing
* purposes.
*
* @return array|null Headers or null if no extension
*/
protected function peclHttpHeaders()
{
if (extension_loaded('http') && class_exists('HttpMessage')) {
$message = HttpMessage::fromEnv(HttpMessage::TYPE_REQUEST);
return $message->getHeaders();
}
return null;
}
