API reference

• Drupal 4.6
• Drupal 4.7
• Drupal 5
• Drupal 6
• Drupal 7

Welcome to the Drupal developer's documentation. Newcomers to Drupal development should read the conceptual information provided in the "Components of Drupal" section, and then proceed to examine one of the heavily-documented example modules below. The examples are fully-functioning Drupal modules, so you can download them from the contributions repository and alter them as you experiment.

• Components of Drupal
  • Module system (Drupal hooks)
  • Database abstraction layer
  • Menu system
  • Form generation
  • File upload system
  • Search system
  • Node access system
  • Theme system
• Example modules
  • How to define blocks
  • How to define a content filter
  • How to define content (node) types
  • How to restrict access to nodes
  • How to extend existing content types
  • How to define pages