cache = $cache; } public function contains($id, array $options = null) { return $this->cache->contains($id); } public function delete($id, array $options = null) { return $this->cache->delete($id); } public function fetch($id, array $options = null) { return $this->cache->fetch($id); } public function save($id, $data, $lifeTime = false, array $options = null) { return $this->cache->save($id, $data, $lifeTime !== false ? $lifeTime : 0); } }