$list = Tenders::where($where)->where(function ($query) use ($userinfo) {

            return $query->where(['company_id'=> $userinfo['group_id'], 'scope'=>1])->whereOr(['scope' => 0]);

        })->order('id desc,start_time')->limit(($page - 1) * 5, 5)->select();
        

Q.E.D.