(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent::getReply — Returns the heartbeat reply document
The reply document will be converted from BSON to PHP using the default deserialization rules (e.g. BSON documents will be converted to stdClass).
この関数にはパラメータはありません。
Returns the heartbeat reply document as a stdClass object.