Php/docs/zookeeper.set
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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
- Zookeeper::create() - Create a node synchronously
- Zookeeper::get() - Gets the data associated with a node synchronously
- ZookeeperException