Plugin Development
- Plugin Developer Handbook – The best starting place for learning about how to develop plugins
- WordPress Coding Standards – General information about coding standards for WordPress development
- Debugging in WordPress – Reference and guide for using the built-in debugging system in WordPress.
- Data Validation – A must-read for WordPress plugin authors. Describes the functions used by WordPress to validate and sanitize data. Plugin authors should be familiar with these functions and ideas.
- Plugin Submission and Promotion – Once you have written your plugin, here are some hints on distributing it widely
- Migrating Plugins and Themes – Contains information on how to upgrade your Plugin so it will work from version to version of WordPress
- Function Reference – Complete PHP function reference for WordPress
- Global Variables – A list of all global variables created by WordPress
- Post Types – Creating new types of posts other than the posts that display on the main loop.
- Taxonomies – Creating new types of taxonomies other than the built-in ones.
- Reserved Terms – A list of reserved terms in WordPress.
