MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged
(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged — Notification method for a topology description change
Description
If the subscriber is registered, this method is called when the topology's
description changes. For example, a topology discovering a new replica set
primary would cause its topology description to change.
Return Values
No value is returned.