Zookeeper::set

(PECL zookeeper >= 0.1.0)

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

说明

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

参数

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

成功时返回 TRUE， 或者在失败时返回 FALSE。

错误／异常

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

Caution

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

范例

Example #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';
?>

以上例程会输出：

SUCCESS

参见