Zookeeper::getChildren
(PECL zookeeper >= 0.1.0)
Zookeeper::getChildren — Lists the children of a node synchronously
Descrição
Parâmetros
-
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.
Valor Retornado
Returns an array with children paths on success, and false on failure.
Erros
This method emits PHP error/warning when parameters count or types are wrong or fail to list children of a node.
Cuidado
Since version 0.3.0, this method emits ZookeeperException and it's derivatives.
Exemplos
Exemplo #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';
?>
O exemplo acima irá imprimir:
array(1) {
[0]=>
string(6) "config"
}
Veja Também
- Zookeeper::create() - Create a node synchronously
- Zookeeper::delete() - Delete a node in zookeeper synchronously
- ZookeeperException
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