/**
* Returns the data model based on the primary key given in the GET variable.
* If the data model is not found, an HTTP exception will be raised.
*/
public function loadModel()
{
if ($this->model === null) {
if (Yii::$app->request->get('id')) {
$this->model = ProfileField::findOne(Yii::$app->request->get('id'));
}
if ($this->model === null) {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
return $this->model;
}
