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

Providing plugin banner and thumbnail images

While the plugin listing that we put in place by creating a readme.txt file and uploading it to the official plugin repository is perfectly functional, it does not really stand out among the sea of extensions that are available on the website. Thankfully, introduced a mechanism allowing plugin developers to add a banner image to their listing. This image can be anything from a simple picture to a complex graphic to advertise your creation.

This recipe explains how to prepare images for your plugin and how to upload them to your repository.

Getting ready

You should have already followed the Applying for your plugin to be hosted on and Uploading your plugin using Subversion recipes to have an approved repository on the official repository and plugin files uploaded to the server.

How to do it...

  1. Create a new image that is exactly 772 x 250 pixels.
  2. Save the image as a PNG file with the name banner-772x250.png.
  3. Right-click...