ZooKeeper
PHP Manual

Zookeeper::get

(PECL zookeeper >= 0.1.0)

Zookeeper::getGets the data associated with a node synchronously.

Описание

public string Zookeeper::get ( string $path [, callable $watcher_cb = null [, array &$stat = null [, int $max_size = 0 ]]] )

Список параметров

path

The name of the node. Expressed as a file name with slashes separating ancestors of the node.

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.

max_size

Max size of the data. If 0 is used, this method will return the whole data.

Возвращаемые значения

Returns the data on success, and false on failure.

Ошибки

This method emits PHP error/warning when parameters count or types are wrong or fail to get value from node.

Примеры

Пример #1 Zookeeper::get() example

Get value from node.

<?php
$zookeeper 
= new Zookeeper('locahost:2181');
$path '/path/to/node';
$value 'nodevalue';
$zookeeper->set($path$value);

$r $zookeeper->get($path);
if (
$r)
  echo 
$r;
else
  echo 
'ERR';
?>

Результат выполнения данного примера:

nodevalue

Смотрите также


ZooKeeper
PHP Manual