Book Image

WordPress Plugin Development Cookbook - Third Edition

By : Yannick Lefebvre
Book Image

WordPress Plugin Development Cookbook - Third Edition

By: Yannick Lefebvre

Overview of this book

WordPress is one of the most widely used, powerful, and open content management systems (CMSs). Whether you're a site owner trying to find the right extension, a developer who wants to contribute to the community, or a website developer working to fulfill a client's needs, learning how to extend WordPress' capabilities will help you to unleash its full potential. This book will help you become familiar with API functions to create secure plugins with easy-to-use administration interfaces. This third edition contains new recipes and up-to-date code samples, including new chapters on creating custom blocks for the block editor and integrating data from external sources. From one chapter to the next, you’ll learn 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, followed by recipes covering how to design administration panels, enhance the post editor with custom fields, store custom data, and even create custom blocks. You'll safely incorporate dynamic elements into web pages using scripting languages, learn how to integrate data from external sources, 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 (15 chapters)

Applying for your plugin to be hosted on

After creating proper documentation for your creation, the next step toward its publication on the official plugin repository is to apply for hosting. This is simply done by submitting a request form in the Developer Center section on

How to do it...

Follow these steps to apply for plugin hosting on the official WordPress plugin repository:

  1. Create a zip archive containing your entire plugin directory, including the readme.txt file created in the previous recipe.
  2. Visit the website and log in using the link in the top-right corner of the page or create a new account if you don't have one yet.
  3. Select your ZIP file and upload it to the site.

How it works...

Plugin submission is a fairly simple process, giving developers access to a Subversion repository that they can use to upload their work and share it with the community.

Before submitting...