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ZookeeperConfig::get

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

ZookeeperConfig::getGets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously

Beschreibung

public ZookeeperConfig::get(callable $watcher_cb = null, array &$stat = null): string

Parameter-Liste

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.

Rückgabewerte

Returns the configuration string on success, and false on failure.

Fehler/Exceptions

This method emits ZookeeperException and it's derivatives when parameters count or types are wrong or fail to get configuration.

Beispiele

Beispiel #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';
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

server.1=localhost:2888:3888:participant;0.0.0.0:2181
version=0xca01e881a2

Siehe auch

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