A Survey of WordPress PHP APIs

Jonathan Brinley

August 24, 2019

Settings, widgets, HTTP requests, shortcodes… WordPress gives plugin developers more than a dozen PHP APIs. Using these APIs enables developers to write extensions the “right” way, using methods, actions, and filters that make plugins forward-compatible, maintainable, and extensible. We’ll take a tour of these APIs, exploring when and how to use them to build a WordPress plugin.