Yannick Lefebvre 
WordPress Plugin Development Cookbook – Second Edition [EPUB ebook] 

Learn to create plugins for Word Press 4.x to deliver custom projects or share with the community through detailed step-by-step recipes and code examples

• Learn how to change and extend Word Press to perform virtually any task


• Explore the plugin API through approachable examples and detailed explanations


• Mold Word Press to your project’s needs or transform it to benefit the entire community

If you are a Word Press user, developer, or a site integrator with basic knowledge of PHP and an interest to create new plugins to address your personal needs, client needs, or share with the community, then this book is for you.

• Discover how to register user callbacks with Word Press, forming the basis of plugin creation


• Explore the creation of administration pages and adding new content management sections through custom post types and custom database tables


• Improve your plugins by customizing the post and page editors, categories and user profiles, and creating visitor-facing forms


• Make your pages dynamic using Javascript, AJAX and adding new widgets to the platform


• Learn how to add support for plugin translation and distribute your work to the Word Press community

Word Press 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 Word Press’ 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 Word Press 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 Word Press 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 Word Press sidebars and widget areas.

By the end of this book, you will be able to create Word Press plugins to perform any task you can imagine.

This cookbook will take you through the creation of your first simple plugin to adding entirely new sections and widgets in the administration interface, so you can learn how to change and extend Word Press to perform virtually any task. Each topic is illustrated through realistic examples showing how to solve common problems, followed by detailed explanations of all concepts used