Zookeeper::getChildren
(PECL zookeeper >= 0.1.0)
Zookeeper::getChildren — Lists the children of a node synchronously
Description
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.
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
- Zookeeper::create() - Create a node synchronously
- Zookeeper::delete() - Delete a node in zookeeper synchronously
- ZookeeperException