The MongoDB\Driver\Monitoring\CommandSubscriber interface

(mongodb >=1.3.0)

Introduction

Classes may implement this interface to register an event subscriber that is notified for each started, successful, and failed command event. See Application Performance Monitoring (APM) for additional information.

Interface synopsis

class MongoDB\Driver\Monitoring\CommandSubscriber implements MongoDB\Driver\Monitoring\Subscriber {
/* Methods */
abstract public commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event): void
abstract public commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event): void
abstract public commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event): void
}

Changelog

VersionDescription
PECL mongodb 2.0.0Return types previously declared as tentative are now enforced.
PECL mongodb 1.15.0Return types for methods are declared as tentative on PHP 8.0 and newer, triggering deprecation notices in code that implements this interface without declaring the appropriate return types. The #[ReturnTypeWillChange] attribute can be added to silence the deprecation notice.

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