Zookeeper::setWatcher

(PECL zookeeper >= 0.1.0)

Zookeeper::setWatcher — Set a watcher function

˵��

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

����

watcher_cb

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

����ֵ

�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��

�����쳣

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

Caution

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

�μ�