protected function getDelay($retries, RequestInterface $request, Response $response = null, HttpException $e = null) { if ($response) { //Short circuit the rest of the checks if it was successful if ($response->isSuccessful()) { return false; } else { return isset($this->errorCodes[$response->getStatusCode()]) ? true : null; } } }
public function canCacheResponse(Response $response) { return $response->isSuccessful() && $response->canCache(); }