(mongodb >=1.10.0)
MongoDB\Driver\Manager::addSubscriber — Registers a monitoring event subscriber with this Manager
$subscriber): voidRegisters a monitoring event subscriber with this Manager. The subscriber will be notified of all events for this Manager.
Note: If
subscriberis already registered with this Manager, this function is a no-op. Ifsubscriberis also registered globally, it will still only be notified once of each event for this Manager.
subscriber (MongoDB\Driver\Monitoring\Subscriber)A monitoring event subscriber to register with this Manager.
No value is returned.
subscriber is a
MongoDB\Driver\Monitoring\LogSubscriber, since
loggers can only be registered globally.