tp5查询数据转换为数组
$user = USER::get(1); //此时$user是object $user = USER::get(1)->toarray(); //此时$user是array 一位数字组 $user = USERR::where('id',1)->select(); //此时$user是二维数组,第二维是object $user = USERR::where('id',1)->select(); $user = collection($user)->toarray(); //此时$user就是二维数组了 collection 是thinkphp助手函数 //如果$user是空,collection($user)返回空数组