Book Image

WordPress Plugin Development Cookbook - Second Edition

By : Yannick Lefebvre
Book Image

WordPress Plugin Development Cookbook - Second Edition

By: Yannick Lefebvre

Overview of this book

WordPress is a popular, powerful, and open Content Management System. Learning how to extend its capabilities allows you to unleash its full potential, whether you're an administrator trying to find the right extension, a developer with a great idea to enhance the platform for the community, or a website developer working to fulfill a client's needs. This book shows readers how to navigate WordPress' vast set of API functions to create high-quality plugins with easy-to-configure administration interfaces. With new recipes and materials updated for the latest versions of WordPress 4.x, this second edition teaches you how to create plugins of varying complexity ranging from a few lines of code to complex extensions that provide intricate new capabilities. You'll start by using the basic mechanisms provided in WordPress to create plugins and execute custom user code. You will then see how to design administration panels, enhance the post editor with custom fields, store custom data, and modify site behavior based on the value of custom fields. You'll safely incorporate dynamic elements on web pages using scripting languages, and build new widgets that users will be able to add to WordPress sidebars and widget areas. By the end of this book, you will be able to create WordPress plugins to perform any task you can imagine.
Table of Contents (20 chapters)
Title Page
About the Author
About the Reviewers
Customer Feedback

Chapter 4. The Power of Custom Post Types

This chapter covers one of the most powerful features of WordPress, custom post types, through the following topics:

  • Creating a custom post type
  • Adding a new section to the custom post type editor
  • Displaying single custom post type items using custom layout
  • Displaying custom post type data in shortcodes
  • Adding custom categories for custom post types
  • Adding custom fields to categories
  • Hiding the category editor from the custom post type editor
  • Displaying additional columns in the custom post list page
  • Adding filters for custom categories to the custom post list page
  • Adding Quick Edit fields for custom categories
  • Updating a page title to include custom post data using plugin filters