https://www.php.net/manual/zh/mongodb-driver-monitoring-sdamsubscriber.topologyopening.php
PHP: MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpening - Manual
Notification method for opening the topology
driver monitoringphpmongodbmanual
https://www.php.net/manual/it/mongodb-driver-monitoring-sdamsubscriber.topologyopening.php
PHP: MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpening - Manual
Notification method for opening the topology
driver monitoringphpmongodbmanual