Zookeeper
PHP Manual

Zookeeper::__construct

Create a handle to used communicate with zookeeper

Description

public Zookeeper::__construct(string $host = '', callable $watcher_cb = null, int $recv_timeout = 10000)

This method creates a new handle and a zookeeper session that corresponds to that handle. Session establishment is asynchronous, meaning that the session should not be considered established until (and unless) an event of state ZOO_CONNECTED_STATE is received.

Parameters

host

comma separated host:port pairs, each corresponding to a zk server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002"

watcher_cb

the global watcher callback function. When notifications are triggered this function will be invoked.

recv_timeout

the timeout for this session, only valid if the connections is currently connected (ie. last watcher state is ZOO_CONNECTED_STATE).

Errors/Exceptions

This method emits PHP error/warning when parameters count or types are wrong or could not init instance.

Caution

Since version 0.3.0, this method emits ZookeeperException and it's derivatives.

See Also

  • Zookeeper::connect
  • ZookeeperException