Php/docs/zookeeper.set

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Zookeeper::set

(PECL zookeeper >= 0.1.0)

Zookeeper::setSets 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