Developer Resources

Chapters

Introduction to Plugin Development
- What is a Plugin?
Plugin Basics
Plugin Security
Hooks
Privacy
Administration Menus
- Top-Level Menus
- Sub-Menus
Shortcodes
Settings
Metadata
Custom Post Types
- Registering Custom Post Types
- Working with Custom Post Types
Taxonomies
- Working with Custom Taxonomies
- Term Splitting (WP 4.2)
Users
HTTP API
JavaScript, Ajax, & jQuery
Cron
Internationalization
The Plugin Directory
Developer Tools
- Debug Bar and Add-Ons
- Helper Plugins
Credits

Browse: Home / Plugin Handbook / Plugin Security / Data Validation

This content has been moved to the Data Validation page in the Common APIs Handbook.