# ZooKeeper 该扩展使用libzookeeper库提供与ZooKeeper服务进行通信的API。 ZooKeeper是一个Apache项目，它启用集中式服务来维护配置信息，命名，提供分布式同步以及提供组服务 [ https://pecl.php.net/package/zookeeper](https://pecl.php.net/package/zookeeper) - [预定义常量](https://www.php.net/manual/en/zookeeper.constants.php) - [ZooKeeper功能](https://www.php.net/manual/en/ref.zookeeper.php) - [zookeeper\_dispatch](https://www.php.net/manual/en/function.zookeeper-dispatch.php)—调用挂起操作的回调 - [Zookeeper](https://www.php.net/manual/en/class.zookeeper.php)-Zookeeper类 - [Zookeeper :: addAuth-](https://www.php.net/manual/en/zookeeper.addauth.php)指定应用程序凭据 - [Zookeeper :: close](https://www.php.net/manual/en/zookeeper.close.php)—关闭[Zookeeper](https://www.php.net/manual/en/zookeeper.close.php)句柄并释放所有资源 - [Zookeeper :: connect](https://www.php.net/manual/en/zookeeper.connect.php)—创建一个句柄以用于与[Zookeeper](https://www.php.net/manual/en/zookeeper.connect.php)通信 - [Zookeeper :: \_\_ construct](https://www.php.net/manual/en/zookeeper.construct.php)—创建一个句柄以用于与[Zookeeper](https://www.php.net/manual/en/zookeeper.construct.php)通信 - [Zookeeper :: create](https://www.php.net/manual/en/zookeeper.create.php)—同步创建节点 - [Zookeeper :: delete](https://www.php.net/manual/en/zookeeper.delete.php)—同步删除[Zookeeper中](https://www.php.net/manual/en/zookeeper.delete.php)的节点 - [Zookeeper :: exists](https://www.php.net/manual/en/zookeeper.exists.php)—同步检查[Zookeeper](https://www.php.net/manual/en/zookeeper.exists.php)中是否存在节点 - [Zookeeper :: get](https://www.php.net/manual/en/zookeeper.get.php)—同步获取与节点关联的数据 - [Zookeeper :: getAcl](https://www.php.net/manual/en/zookeeper.getacl.php)—同步获取与节点关联的acl - [Zookeeper :: getChildren](https://www.php.net/manual/en/zookeeper.getchildren.php)—同步列出节点的子代 - [Zookeeper :: getClientId](https://www.php.net/manual/en/zookeeper.getclientid.php)—返回客户端会话ID，仅在当前连接处于连接状态时才有效（即，上一个观察者状态为ZOO\_CONNECTED\_STATE） - [Zookeeper :: getConfig](https://www.php.net/manual/en/zookeeper.getconfig.php)—获取ZookeeperConfig的实例 - [Zookeeper :: getRecvTimeout](https://www.php.net/manual/en/zookeeper.getrecvtimeout.php)—返回此会话的超时，仅在当前连接处于连接状态时才有效（即，最后的观察者状态为ZOO\_CONNECTED\_STATE）。服务器重新连接后，此值可能会更改 - [Zookeeper :: getState](https://www.php.net/manual/en/zookeeper.getstate.php)—获取[Zookeeper](https://www.php.net/manual/en/zookeeper.getstate.php)连接的状态 - [Zookeeper :: isRecoverable-](https://www.php.net/manual/en/zookeeper.isrecoverable.php)检查是否可以恢复当前的[Zookeeper](https://www.php.net/manual/en/zookeeper.isrecoverable.php)连接状态 - [Zookeeper :: set](https://www.php.net/manual/en/zookeeper.set.php)—设置与节点关联的数据 - [Zookeeper :: setAcl](https://www.php.net/manual/en/zookeeper.setacl.php)—同步设置与节点关联的acl - [Zookeeper :: setDebugLevel-](https://www.php.net/manual/en/zookeeper.setdebuglevel.php)设置库的调试级别 - [Zookeeper :: setDeterministicConnOrder](https://www.php.net/manual/en/zookeeper.setdeterministicconnorder.php)—启用/禁用仲裁端点顺序随机化 - [Zookeeper :: setLogStream](https://www.php.net/manual/en/zookeeper.setlogstream.php)—设置要由库用于记录的流 - [Zookeeper :: setWatcher](https://www.php.net/manual/en/zookeeper.setwatcher.php)—设置观察器功能 - [ZookeeperConfig](https://www.php.net/manual/en/class.zookeeperconfig.php)— ZookeeperConfig类 - [ZookeeperConfig :: add](https://www.php.net/manual/en/zookeeperconfig.add.php)—将服务器添加到集合 - [ZookeeperConfig :: get](https://www.php.net/manual/en/zookeeperconfig.get.php)—同步获取与客户端连接的服务器已知的ZooKeeper集群的最后提交的配置 - [ZookeeperConfig :: remove](https://www.php.net/manual/en/zookeeperconfig.remove.php)—从整体中删除服务器 - [ZookeeperConfig :: set](https://www.php.net/manual/en/zookeeperconfig.set.php)—更改ZK群集的集成成员资格和集成对等方的角色 - [ZookeeperException](https://www.php.net/manual/en/class.zookeeperexception.php)-ZookeeperException类 - [ZookeeperAuthenticationException](https://www.php.net/manual/en/class.zookeeperauthenticationexception.php)-ZookeeperAuthenticationException类 - [ZookeeperConnectionException](https://www.php.net/manual/en/class.zookeeperconnectionexception.php)-ZookeeperConnectionException类 - [ZookeeperMarshallingException](https://www.php.net/manual/en/class.zookeepermarshallingexception.php)-ZookeeperMarshallingException类 - [ZookeeperNoNodeException](https://www.php.net/manual/en/class.zookeepernonodeexception.php)-ZookeeperNoNodeException类 - [ZookeeperOperationTimeoutException](https://www.php.net/manual/en/class.zookeeperoperationtimeoutexception.php)-ZookeeperOperationTimeoutException类 - [ZookeeperSessionException](https://www.php.net/manual/en/class.zookeepersessionexception.php)-ZookeeperSessionException类