GoLang Zookeeper::getChildren

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PHP Zookeeper::getChildren

PHP original manual for Zookeeper::getChildren [ show | php.net ]

Zookeeper::getChildren

(PECL zookeeper >= 0.1.0)

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

Description

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

Parameters

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.

Return Values

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

Errors/Exceptions

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

Caution

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

Examples

Example #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';
?>

The above example will output:

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

See Also