laravel/framework — pull request #1459 by franzliedke (2013-05-29 22:52:52+00:00)
Title: Don't take old value from session for radio fields.

The problem was that, after checking the passed value to the old input value in the `getCheckedState()` method, the value was still set again in the `input()` method.

This should fix laravel/laravel#2015.