Zookeeper::set

(PECL zookeeper >= 0.1.0)

Zookeeper::set — Sets the data associated with a node

說(shuō)明

public Zookeeper::set(
    string $path,
    string $value,
    int $version = -1,
    array &$stat = null
): bool

參數(shù)

path

The name of the node. Expressed as a file name with slashes separating ancestors of the node.

value

The data to be stored in the node.

version

The expected version of the node. The function will fail if the actual version of the node does not match the expected version. If -1 is used the version check will not take place.

stat

If not NULL, will hold the value of stat for the path on return.

返回值

成功時(shí)返回 true， 或者在失敗時(shí)返回 false。

錯(cuò)誤／異常

This method emits PHP error/warning when parameters count or types are wrong or fail to save value to node.

警告

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

范例

示例 #1 Zookeeper::set() example

Save value to node.

<?php
$zookeeper = new Zookeeper('locahost:2181');
$path = '/path/to/node';
$value = 'nodevalue';
$r = $zookeeper->set($path, $value);
if ($r)
  echo 'SUCCESS';
else
  echo 'ERR';
?>

以上例程會(huì)輸出：

SUCCESS

參見(jiàn)