laravel框架查询数据集转为数组的两种方法

return DB::table('game_matchperiod')->select('starttime')->where('Type',$type)->get() ->map(function ($value) {return (array)$value;})->toArray();

public function objToArr($object) { //先编码成json字符串，再解码成数组 return json_decode(json_encode($object), true);}