/**
* DEPRECATION WARNING! Access `headers` property directly.
*
* Get and set header
* @param string $name Header name
* @param string|null $value Header value
* @return string Header value
*/
public function header($name, $value = null)
{
if (!is_null($value)) {
$this->headers->set($name, $value);
}
return $this->headers->get($name);
}
/**
* Get User Agent
* @return string|null
*/
public function getUserAgent()
{
return $this->headers->get('HTTP_USER_AGENT');
}
