Zookeeper::getChildren
(PECL zookeeper >= 0.1.0)
Zookeeper::getChildren — Lists the children of a node synchronously
Liste de paramètres
-
path -
The name of the node. Expressed as a file name with slashes separating ancestors of the node.
-
watcher_cb -
If nonzero, a watch will be set at the server to notify the client if the node changes.
Valeurs de retour
Returns an array with children paths on success, and false on failure.
Erreurs / Exceptions
This method emits PHP error/warning when parameters count or types are wrong or fail to list children of a node.
Attention
Since version 0.3.0, this method emits ZookeeperException and it's derivatives.
Exemples
Exemple #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';
?>L'exemple ci-dessus va afficher :
array(1) {
[0]=>
string(6) "config"
}
Voir aussi
- Zookeeper::create() - Create a node synchronously
- Zookeeper::delete() - Delete a node in zookeeper synchronously
- ZookeeperException
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