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PHP - Manual: Zookeeper::setWatcher

2024-05-04

Zookeeper::setWatcher

(PECL zookeeper >= 0.1.0)

Zookeeper::setWatcherSet a watcher function

说明

public Zookeeper::setWatcher(callable $watcher_cb): bool

参数

watcher_cb

A watch will be set at the server to notify the client if the node changes.

返回值

成功时返回 true, 或者在失败时返回 false

错误/异常

This method emits PHP error/warning when parameters count or types are wrong or fail to set watcher.

警告

Since version 0.3.0, this method emits ZookeeperException and it's derivatives.

参见

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官方地址:https://www.php.net/manual/en/zookeeper.setwatcher.php

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