/**
* Find model by ID.
*
* @param integer|array $id Model ID
*
* @return PageModel
*
* @throws HttpException 404 error if model not found
*/
protected function findModel($id)
{
if (is_array($id)) {
$model = PageModel::findAll($id);
} else {
$model = PageModel::findOne($id);
}
if ($model !== null) {
return $model;
} else {
throw new HttpException(404);
}
}
