Backend\UserController::putChangePassword PHP Method

    public function putChangePassword()
    {
        $input = Input::all();
        $validator = User::validate_pw_change($input);
        if ($validator->passes()) {
            $user = current_user();
            $user->password = $input['password'];
            $user->last_pw_changed = date('Y-m-d h:i:s');
            $user->save();
            return Redirect::to($this->link_type)->with('success_message', "The user password was updated.");
        } else {
            // Form validation failed
            return Redirect::back()->withInput()->withErrors($validator);
        }
    }