private function handleError($error, Http\Request $request, Http\Response $response)
{
$response = $response->withStatus($this->getStatusCode($error, $response));
$message = $response->getReasonPhrase() ?: 'Unknown Error';
if (!isset($this->options['env']) || $this->options['env'] !== 'production') {
$message = $this->createDevelopmentErrorMessage($error);
}
$response = $response->end($message);
$this->triggerError($error, $request, $response);
return $response;
}