Flarum\Core\Listener\DiscussionRenamedNotifier::whenDiscussionWasRenamed PHP Méthode

    public function whenDiscussionWasRenamed(DiscussionWasRenamed $event)
    {
        $post = DiscussionRenamedPost::reply($event->discussion->id, $event->actor->id, $event->oldTitle, $event->discussion->title);
        $post = $event->discussion->mergePost($post);
        if ($event->discussion->start_user_id !== $event->actor->id) {
            $blueprint = new DiscussionRenamedBlueprint($post);
            if ($post->exists) {
                $this->notifications->sync($blueprint, [$event->discussion->startUser]);
            } else {
                $this->notifications->delete($blueprint);
            }
        }
    }