ZookeeperConfig::add

(PECL zookeeper >= 0.6.0, ZooKeeper >= 3.5.0)

ZookeeperConfig::addAdd servers to the ensemble

Description

public ZookeeperConfig::add(string $members, int $version = -1, array &$stat = null): void

Parameters

members

Comma separated list of servers to be added to the ensemble. Each has a configuration line for a server to be added (as would appear in a configuration file), only for maj. quorums.

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.

Return Values

No value is returned.

Errors/Exceptions

This method emits ZookeeperException and it's derivatives when parameters count or types are wrong or fail to save value to node.

Examples

Example #1 ZookeeperConfig::add() example

Add members.

<?php
$client 
= new Zookeeper();
$client->connect('localhost:2181');
$client->addAuth('digest''timandes:timandes');
$zkConfig $client->getConfig();
$zkConfig->set("server.1=localhost:2888:3888:participant;0.0.0.0:2181");
$zkConfig->add("server.2=localhost:2889:3889:participant;0.0.0.0:2182");
$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
server.2=localhost:2889:3889:participant;0.0.0.0:2182
version=0xca01e881a2

See Also

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