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Zookeeper::getChildren

(PECL zookeeper >= 0.1.0)

Zookeeper::getChildrenLists the children of a node synchronously

Descrição

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

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"
}

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