App\Models\Forum\Topic::scopeWithReplies PHP Method

    public function scopeWithReplies($query, $withReplies)
    {
        switch ($withReplies) {
            case 'only':
                $query->where('topic_replies_real', '<>', 0);
                break;
            case 'none':
                $query->where('topic_replies_real', 0);
                break;
        }
    }