laravel/framework — pull request #4230 by ironkeith (2014-04-22 20:10:12+00:00)
Title: [4.1] FormBuilder::checkbox can't be checked without session

If the value of `$this->session` within FormBuilder is null, it’s not possible to set a checkbox to checked.

I created an issue here: https://github.com/illuminate/html/issues/6