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Zookeeper::setWatcher

(PECL zookeeper >= 0.1.0)

Zookeeper::setWatcherSet a watcher function

Description

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

Parameters

watcher_cb

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

Return Values

Returns true on success or false on failure.

Errors/Exceptions

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.

See Also

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