Lists the children of a node synchronously

# Zookeeper::getChildren

(PECL zookeeper >= 0.1.0)

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

### Description

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

### 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

- Zookeeper::create() - Create a node synchronously
- Zookeeper::delete() - Delete a node in zookeeper synchronously
- ZookeeperException

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open