ZookeeperConfig::add

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

ZookeeperConfig::add — Add servers to the ensemble

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

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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.

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

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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';
?>

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server.1=localhost:2888:3888:participant;0.0.0.0:2181
server.2=localhost:2889:3889:participant;0.0.0.0:2182
version=0xca01e881a2

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