EditController::actionMissing PHP Method

    public function actionMissing()
    {
        $model = new MessageSource('search');
        $model->unsetAttributes();
        // clear any default values
        if (isset($_GET['MessageSource'])) {
            $model->attributes = $_GET['MessageSource'];
        }
        $model->language = TranslateModule::translator()->getLanguage();
        $this->render('missing', array('model' => $model));
    }