Zookeeper::getChildren

(PECL zookeeper >= 0.1.0)

Zookeeper::getChildren — Lists the children of a node synchronously

Описание

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

Список параметров

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.

Возвращаемые значения

Returns an array with children paths on success, and false on failure.

Ошибки

This method emits PHP error/warning when parameters count or types are wrong or fail to list children of a node.

Предостережение

Since version 0.3.0, this method emits ZookeeperException and it's derivatives.

Примеры

Пример #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';
?>

Результат выполнения данного примера:

array(1) {
  [0]=>
  string(6) "config"
}

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