Developer Resources

Official WordPress Developer Resources

The WordPress Developer site is the official resource for WordPress development.

• Code Reference - documentation for the codebase, including Functions, Hooks, Classes, Methods.
• WordPress Coding Standards - the official coding standards set for WordPress core development.
  • Accessibility Coding Standards
  • CSS Coding Standards
  • HTML Coding Standards
  • JavaScript Coding Standards
  • PHP Coding Standards
  • Inline Documentation Standards
  • JavaScript Documentation Standards
  • PHP Documentation Standards
• Block Editor - complete reference to creating and customizing blocks and the block editor (codename Gutenberg)
• Common APIs - documentation on all APIs present within the WordPress software as well as APIs available from the WordPress.org ecosystem.
  • Responsive Images
  • Dashboard widgets API
  • Database API
  • Internationalization
  • Filesystem
  • Global Variables
  • Metadata
  • Options
  • Plugins
  • Making HTTP requests
  • Quicktags
  • REST
  • Rewrite
  • Settings
  • Shortcode
  • Site Health
  • Theme
  • Transients
  • XML-RPC
• Themes - reference on how to develop themes for WordPress
• Plugins - plugin authoring reference. Extend WordPress functionality.
• REST API
• WP-CLI - command-line interface for WordPress.