OphTrOperationbooking_Operation_Ward::model PHP Méthode

    public static function model($className = __CLASS__)
    {
        return parent::model($className);
    }

 /**
  * Helper method to fetch theatres by site ID.
  *
  * @param int $site_id
  *
  * @return array
  */
 protected function getFilteredWards($site_id)
 {
     $criteria = new CDbCriteria();
     $criteria->addCondition('site_id = :site_id');
     $criteria->params[':site_id'] = $site_id;
     $criteria->order = 'name';
     return CHtml::listData(OphTrOperationbooking_Operation_Ward::model()->active()->findAll($criteria), 'id', 'name');
 }