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Zookeeper::getChildren

(PECL zookeeper >= 0.1.0)

Zookeeper::getChildrenLists the children of a node synchronously

Description

public Zookeeper::getChildren(string $path, callable $watcher_cb = null): array

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

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