gistfile1.php

<?php

class User extends Basemodel {

  public static $rules = array(
		'username'=>'required|unique:users|alpha_dash|min:4',
		'password'=>'required|alpha_num|between:4,8|confirmed',
		'password_confirmation'=>'required|alpha_num|between:4,8'
	);

	public function questions() {
		return $this->has_many('Question');
	}
}