(PECL zookeeper >= 0.1.0)
Zookeeper::getRecvTimeout — 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
此函数没有参数。
Returns the timeout for this session on success, and false on failure.
This method emits PHP error/warning when operation fails.
Since version 0.3.0, this method emits ZookeeperException and it's derivatives.