Flarum\Core\Repository\PostRepository::getDiscussionsForPosts PHP Метод

    protected function getDiscussionsForPosts($postIds, User $actor)
    {
        return Discussion::query()->select('discussions.*')->join('posts', 'posts.discussion_id', '=', 'discussions.id')->whereIn('posts.id', $postIds)->groupBy('discussions.id')->whereVisibleTo($actor)->get();
    }