(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\SDAMSubscriber::topologyClosed — Notification method for closing the topology
$event): voidIf the subscriber is registered, this method is called when the topology is closed.
Note: Due to the driver's connection handling and persistence behavior, this event can only be observed when a MongoDB\Driver\Manager is created with the
"disableClientPersistence"driver option and freed before request shutdown (RSHUTDOWN).
event (MongoDB\Driver\Monitoring\TopologyClosedEvent)An event object encapsulating information about the closed topology.
No value is returned.