(PECL zookeeper >= 0.1.0)
Zookeeper::getChildren — Lists the children of a node synchronously
pathThe name of the node. Expressed as a file name with slashes separating ancestors of the node.
watcher_cbIf nonzero, a watch will be set at the server to notify the client if the node changes.
Returns an array with children paths on success, and false on failure.
This method emits PHP error/warning when parameters count or types are wrong or fail to list children of a node.
Since version 0.3.0, this method emits ZookeeperException and it's derivatives.
Example #1 Zookeeper::getChildren() example
Lists children of a node.
<?php
$zookeeper = new Zookeeper('locahost:2181');
$path = '/zookeeper';
$r = $zookeeper->getchildren($path);
if ($r)
var_dump($r);
else
echo 'ERR';
?>
以上例程会输出：
array(1) {
[0]=>
string(6) "config"
}