Classes, traits, and interfaces

Primary tabs

• Drupal 10.3(active tab)
• Drupal 4.6
• Drupal 4.7
• Drupal 5
• Drupal 6
• Drupal 7
• Drupal 8.9
• Drupal 9.5

Introduction to classes

A lot of the PHP code in Drupal is object oriented (OO), making use of PHP classes, interfaces, and traits. See the Objected-oriented programming conventions for more information.

See also

Objected-oriented programming conventions

Other projects