You're reading from WordPress Plugin Development Cookbook Explore the complete set of tools to craft powerful plugins that extend the world's most popular CMS

Product type Paperback

Published in Mar 2022

Publisher Packt

ISBN-13 9781801810777

Length 420 pages

Edition 3rd Edition

Languages

JavaScript

Tools

WordPress

Concepts

CMS

Author (1):

Yannick Lefebvre

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Table of Contents (15) Chapters

Preface

1. Chapter 1: Preparing a Local Development Environment

2. Chapter 2: Plugin Framework Basics FREE CHAPTER

3. Chapter 3: User Settings and Administration Pages

4. Chapter 4: The Power of Custom Post Types

5. Chapter 5: Customizing Post and Page Editors

6. Chapter 6: Extending the Block Editor

7. Chapter 7: Accepting User Content Submissions

8. Chapter 8: Customizing User Data

9. Chapter 9: Leveraging JavaScript, jQuery, and AJAX Scripts

10. Chapter 10: Adding New Widgets to the WordPress Library

11. Chapter 11: Fetching, Caching, and Regularly Updating External Site Data

12. Chapter 12: Enabling Plugin Internationalization

13. Chapter 13: Distributing Your Plugin on WordPress.org

14. Other Books You May Enjoy

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Chapter 11: Fetching, Caching, and Regularly Updating External Site Data

After spending most of our time learning how to extend WordPress to allow site administrators and users to create local content, this chapter focuses on interacting with external data sources. While we did some work with displaying Twitter feed content in the Creating a new shortcode with parameters recipe in Chapter 2, Plugin Framework Basics, we had very little control over how this data was displayed since the content was shown in an IFrame. We also had no control over how this data was fetched and no way to cache it. The reason for this is that every user loading a page containing the Twitter feed shortcode fetched their own copy of the information to be displayed.

There are many different types of data out there that we could be interested in fetching, caching, and displaying. In this chapter, we will be focusing on two different types of information: RSS feeds and generic XML data.

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