array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'ja', ), 'this' => array ( 0 => 'zookeeper.setwatcher.php', 1 => 'Zookeeper::setWatcher', 2 => 'Set a watcher function', ), 'up' => array ( 0 => 'class.zookeeper.php', 1 => 'Zookeeper', ), 'prev' => array ( 0 => 'zookeeper.setlogstream.php', 1 => 'Zookeeper::setLogStream', ), 'next' => array ( 0 => 'class.zookeeperconfig.php', 1 => 'ZookeeperConfig', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/zookeeper/zookeeper/setwatcher.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

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