Client/CachingHttpClient.php
public function get($uri)
    {
        $key = sha1($uri);
        if (!$this->cache->contains($key)) {
            $this->cache->save($key, '{"items": []}', 60);
            try {
                $body = $this->client->get($uri);
                $this->cache->save($key, $body, 0);
                $this->cache->save($key . '.header', json_encode($this->client->getHeaders()->toArray()), 0);
                $this->setEtag(null);
            } catch (RuntimeException $e) {
                $this->cache->delete($key);
                throw $e;
            }
        }
        $this->headers = new ArrayCollection((array)json_decode($this->cache->fetch($key . '.header')));
        return $this->cache->fetch($key);
    }
public function get($uri)
    {
        $key = sha1($uri);
        if (!$this->cache->contains($key)) {
            $this->cache->save($key, '{"items": []}', 60);
            try {
                $body = $this->client->get($uri);
                $this->cache->save($key, $body, 0);
                $this->cache->save($key . '.header', json_encode($this->client->getHeaders()->toArray()), 0);
                $this->setEtag(null);
            } catch (RuntimeException $e) {
                $this->cache->delete($key);
                throw $e;
            }
        }
        $this->headers = new ArrayCollection((array)json_decode($this->cache->fetch($key . '.header')));
        return $this->cache->fetch($key);
    }
{@inheritdoc}