cache = $cache; } /** * @inheritDoc */ public function fetch(string $id) { return $this->cache->get($id, false); } /** * @inheritDoc */ public function contains(string $id): bool { return $this->cache->has($id); } /** * @inheritDoc */ public function save(string $id, $data, int $lifeTime = 0): bool { return $this->cache->set($id, $data, \func_num_args() < 3 ? null : $lifeTime); } /** * @inheritDoc */ public function delete(string $id): bool { return $this->cache->delete($id); } /** * @inheritDoc */ public function flushAll(): bool { return $this->cache->clear(); } }