Book Image

WordPress Plugin Development: Beginner's Guide

Book Image

WordPress Plugin Development: Beginner's Guide

Overview of this book

If you can write WordPress plug-ins, you can make WordPress do just about anything. From making the site easier to administer, to adding the odd tweak or new feature, to completely changing the way your blog works, plug-ins are the method WordPress offers to customize and extend its functionality. This book will show you how to build all sorts of WordPress plug-ins: admin plug-ins, Widgets, plug-ins that alter your post output, present custom "views" of your blog, and more. WordPress Plug-in Development (Beginner's Guide) focuses on teaching you all aspects of modern WordPress development. The book uses real and published WordPress plug-ins and follows their creation from the idea to the finishing touches, in a series of carefully picked, easy-to-follow tutorials. You will discover how to use the WordPress API in all typical situations, from displaying output on the site in the beginning to turning WordPress into a CMS in the last chapter. In Chapters 2 to 7 you will develop six concrete plug-ins and conquer all aspects of WordPress development. Each new chapter and each new plug-in introduces different features of WordPress and how to put them to good use, allowing you to gradually advance your knowledge. This book is written as a guide to take your WordPress skills from the very beginning to the level where you are able to completely understand how WordPress works and how you can use it to your advantage.
Table of Contents (14 chapters)
WordPress Plugin Development
Credits
About the Author
About the Reviewer
Preface
Index

Create a WordPress page from the code


Now that we have covered everything we need regarding the widget, the next thing on our list is creating a WordPress page, which will be a placeholder for our wall comments.

WordPress comments do not specifically need to be assigned to a post or page; they can exist on their own. However, having them assigned to a page makes it easier to follow them. Moreover, should you decide to remove all the comments at once, you would only need to delete that page.

Time for action — Insert a page

We want to create the page at WordPress initialization. So we will use the init action just as we used it earlier.

We also want to be able to check if the page has already been created, so we will save the page ID in the options.

  1. Let's start with modifying the init function to include page check and create code:

    function WPWall_Init() {
    // register widget
    register_sidebar_widget('WP Wall', 'WPWall_Widget');
    WordPress pagecreating, from code// register widget control
    register_widget_control...