cache = $cache; } public function contains($id, array $options = null) { return $this->cache->test($id); } public function delete($id, array $options = null) { return $this->cache->remove($id); } public function fetch($id, array $options = null) { return $this->cache->load($id); } public function save($id, $data, $lifeTime = false, array $options = null) { return $this->cache->save($data, $id, array(), $lifeTime); } }