(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatSucceeded — Notification method for a successful server heartbeat
$event): voidIf the subscriber is registered, this method is called when a server heartbeat (i.e. » hello command issued through » server monitoring) succeeds.
event (MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent)An event object encapsulating information about the successful server heartbeat.
没有返回值。