/** * 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'); }