Yac::add (PECL yac >= 1.0.0)Yac::add — Store into cache 说明 public Yac::add(string $keys, mixed $value, int $ttl = 0): bool public Yac::add(array $key_vals): bool Added a item into cache. 参数 keys string key value mixed value, All php value type could be stored except resource ttl expire time 返回值 bool, true on success, false on failure 注意: Yac::add() may fail if cas lock could not obtain, so, if you need the value to be stored properly, you may write codes like: 示例 #1 Make sure the item is stored while(!$yac->set("key", "vale));