if (!isset($result[$row['field_name']])) {
                    $result[$row['field_name']] = $row['data'];
                } elseif (isset($result[$row['field_name']])) {
                    $result[$row['field_name']] = (array) $result[$row['field_name']];
                    $result[$row['field_name']][] = $row['data'];