Primary tabs
- Drupal 4.6.x
- Drupal 4.7.x
- Drupal 5.x
- Drupal 6.x
- Drupal 7.x
- Drupal 8.0.x
- Drupal 8.1.x
- Drupal 8.2.x
- Drupal 8.3.x
- Drupal 8.4.x
- Drupal 8.5.x
- Drupal 8.6.x
- Drupal 8.7.x
- Drupal 8.8.x
- Drupal 8.9.x
- Drupal 9.0.x(active tab)
- Drupal 9.1.x
- Drupal 9.2.x
Introduction to namespaces
PHP classes, interfaces, and traits in Drupal are namespaced. See the Objected-oriented programming conventions for more information.
See also
Objected-oriented programming conventions
