PHP Manual
ZookeeperConfig
Gets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously

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

说明

public ZookeeperConfig::get ([ callable $watcher_cb = NULL [, array &$stat = NULL ]] ) : string

参数

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.

返回值

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

错误／异常

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

范例

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';
?>

以上例程会输出：

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

参见

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

php zookeeper the zookeeperconfig class php 数组函数 gets the last key of an array php imap 函数 gets the last imap error that occurred during this page request php mssql 函数 returns the last message from the server php mysqlnd ms 函数 returns an array which describes the last used connection php newt 函数 set a callback function which gets invoked when user presses the suspend key php socket 函数 sends a message to a socket whether it is connected or not php stream 函数 sends a message to a socket whether it is connected or not php sybase 函数 gets number of affected rows in last query php splfileinfo gets last access time of the file php stomp gets the last stomp error php swoole server close a connection to the client.php zookeeper gets the data associated with a node synchronously php zookeeper gets the acl associated with a node synchronously php zookeeper lists the children of a node synchronously php zookeeper return the client session id only valid if the connections is currently connected ie. last watcher state is zoo connected state php zookeeper get instance of zookeeperconfig php zookeeper return the timeout for this session only valid if the connections is currently connected ie. last watcher state is zoo connected state . this value may change after a server re connect php zookeeperconfig gets the last committed configuration of the zookeeper cluster as it is known to the server to which the client is connected synchronously php zookeeperconfig change zk cluster ensemble membership and roles of ensemble peers