Zookeeper::getChildren

(PECL zookeeper >= 0.1.0)

Zookeeper::getChildrenLists the children of a node synchronously

Опис

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

Параметри

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.

Значення, що повертаються

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

Помилки/виключення

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

Застереження

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

Приклади

Приклад #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';
}

?>

Поданий вище приклад виведе:

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

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