21     private $cache;  variable in Assetic\\Cache\\ExpiringCache
24     public function __construct(CacheInterface $cache, $lifetime)  argument
26         $this->cache = $cache;
32         if ($this->cache->has($key)) {
33             if (time() < $this->cache->get($key.'.expires')) {
37             $this->cache->remove($key.'.expires');
38             $this->cache->remove($key);
46         return $this->cache->get($key);
51         $this->cache->set($key.'.expires', time() + $this->lifetime);
52         $this->cache->set($key, $value);
57         $this->cache->remove($key.'.expires');
58         $this->cache->remove($key);