Laravel AJAX响应

I'm trying to return array from laravel controller. Here is my code,

$find = array("id"=>1,"id"=>2,"id"=>3);
$result = array("data"=>$find);
return $result;

My result is :

 {
  "data":
      [
        {"id":1},
        {"id":2},
        {"id":3}
      ]
 }

The result is in JSON format. But i want to get it in Array Format like :

{
      "data":
          [
            ["id":1],
            ["id":2],
            ["id":3]
          ]
}

It's impossible as ["id":1] is not a valid JSON.

You can always validate JSON here