/** * Sums all the deleted and undeleted items. * @param array $query_params lik eEEM_Base::get_all * @param string $field_to_sum * @reutrn int */ public function sum_deleted_and_undeleted($query_params = null, $field_to_sum = null) { $query_params = $this->_alter_query_params_so_deleted_and_undeleted_items_included($query_params); parent::sum($query_params, $field_to_sum); }