$roleIdArr = $userRoleObj->select("role_id")->where(['uid' => $uid])->get()->toArray();
返回:
Array
(
[0] => Array
(
[role_id] => 1
)
[1] => Array
(
[role_id] => 2
)
)
怎么让这个返回结果改成:
Array
(
[0] => 1
[1] => 2
)
@ref
https://laravel.com/docs/7.x/...