ZookeeperConfig::get
(PECL zookeeper >= 0.6.0, ZooKeeper >= 3.5.0)
ZookeeperConfig::get — Gets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously
Description
public ZookeeperConfig::get ([ callable $watcher_cb = null [, array &$stat = null ]] ) : string
Parameters
-
watcher_cb
-
If nonzero, a watch will be set at the server to notify the client if the node changes.
-
stat
-
If not NULL, will hold the value of stat for the path on return.
Return Values
Returns the configuration string on success, and false on failure.
Errors/Exceptions
This method emits ZookeeperException and it's derivatives when parameters count or types are wrong or fail to get configuration.
Examples
Example #1 ZookeeperConfig::get() example
Get configuration.
<?php $zk = new Zookeeper(); $zk->connect('localhost:2181'); $zk->addAuth('digest', 'timandes:timandes'); $zkConfig = $zk->getConfig(); $r = $zkConfig->get(); if ($r) echo $r; else echo 'ERR'; ?>
The above example will output:
server.1=localhost:2888:3888:participant;0.0.0.0:2181 version=0xca01e881a2
See Also
- ZookeeperConfig::set() - Change ZK cluster ensemble membership and roles of ensemble peers
- ZookeeperConfig::add() - Add servers to the ensemble
- ZookeeperConfig::remove() - Remove servers from the ensemble
- ZookeeperException
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https://www.php.net/manual/en/zookeeperconfig.get.php