Zookeeper::__construct

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Zookeeper::__construct — Create a handle to used communicate with zookeeper.

说明

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.

参数

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).

错误／异常

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

参见