(PECL zookeeper >= 0.1.0)
Zookeeper::get — Gets the data associated with a node synchronously.
$path
[, callable $watcher_cb
= null
[, array &$stat
= null
[, int $max_size
= 0
]]] )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.
Returns the data on success, and false on failure.
This method emits PHP error/warning when parameters count or types are wrong or fail to get value from node.
例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';
?>
上の例の出力は以下となります。
nodevalue