leftJoin('user_info as u','answer_base.user_id','=','u.id') ->where(['answer_base.status'=>0]) ->whereIn('answer_base.problem_id',$problems) ->get(); if ($query){ return $query->toArray(); }else{ return []; } } public static function insertData(array $data) { return self::query()->insert($data); } public static function del(int $id) { return self::query()->where('id', $id)->delete(); } }