Zookeeper::set
(PECL zookeeper >= 0.1.0)
Zookeeper::set — Sets the data associated with a node
说明
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.
Since version 0.3.0, this method emits ZookeeperException and it's derivatives.
示例
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';
?>以上示例会输出：
SUCCESS
参见
- Zookeeper::create() - Create a node synchronously
- Zookeeper::get() - Gets the data associated with a node synchronously
- ZookeeperException
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