Laravel - string to int status

I have status const in the model and I am storing the status as integer in the table.

CONST STATUS_DONE = 0;
CONST STATUS_NEW = 1;
CONST STATUS_PROCESSING = 2;

When user make an API request,they pass in the string status instead of integer. Example Request Class:

public function rules()
{
    return [
        'name'      => 'required',
        'status'    => 'required|in:done,new,processing',
    ];
}

Problem is I am trying to figure out what the good approach to convert string status to int to be stored in table, eg:

Task::create([
  'name' => $request->name,
  'status' => // convert to int?
]);

via Chebli Mohamed