/**
* Just return the processed value
*
* @return mixed
*/
public function evaluate()
{
$httpResponse = new Response();
$httpResponse->setStatus($this->getStatusCode());
$httpResponse->setHeaders(new Headers());
foreach ($this->getHeaders() as $name => $value) {
$httpResponse->setHeader($name, $value);
}
return implode("\r\n", $httpResponse->renderHeaders()) . "\r\n\r\n";
}