WordPress is a very powerful and popular blogging platform. Once you start using it you will fall in love with it and sooner or later you’d want to create your own plugin to extend its functionality. So if you want to learn how to create your own WordPress plugin then you have come to the right place.
A WordPress plugin is simply one or more PHP files that adhere to certain rules and conventions. All you need to understand and complete this tutorial is a basic understanding of PHP programming.
Before we get started, let me explain what does the plugin we’re going to write will do. It simply displays the most commented 5 posts. Pretty simple and straight forward plugin which makes it an ideal example to explore the concept behind a WordPress plugin. We will call the plugin “WP Most Commented”.