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<MongoDB\Driver\Monitoring\SDAMSubscriberMongoDB\Driver\Monitoring\SDAMSubscriber::serverClosed>
^MongoDB\Driver\Monitoring\SDAMSubscriberLast updated: Mon, 26 Oct 2026

MongoDB\Driver\Monitoring\SDAMSubscriber::serverChanged

(mongodb >=1.13.0)

MongoDB\Driver\Monitoring\SDAMSubscriber::serverChanged — Notification method for a server description change

Description

abstract public function MongoDB\Driver\Monitoring\SDAMSubscriber::serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event): void

If the subscriber is registered, this method is called when a server's description changes. For example, a server's type changing from secondary to primary would cause its server description to change.

Parameters

event (MongoDB\Driver\Monitoring\ServerChangedEvent)

An event object encapsulating information about the changed server description.

Return Values

No value is returned.

Errors/Exceptions

See Also


<MongoDB\Driver\Monitoring\SDAMSubscriberMongoDB\Driver\Monitoring\SDAMSubscriber::serverClosed>
^MongoDB\Driver\Monitoring\SDAMSubscriberLast updated: Mon, 26 Oct 2026