Zookeeper::setWatcher

(PECL zookeeper >= 0.1.0)

Zookeeper::setWatcher — Set a watcher function

説明

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

パラメータ

watcher_cb

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

戻り値

成功した場合に true を、失敗した場合に false を返します。

エラー / 例外

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.

参考

関連キーワード: 　watcher, Set, function, Zookeeper, a, node, setWatcher, synchronously, ZookeeperException, emits