Welcome to our free course on object-oriented PHP (OOPHP) for WordPress. This course explains the following:

WordPress, the content management system the internet loves. You can use it for years without needing to tackle PHP, but eventually you’re finding yourself needing it. You go to Bing and search “php for beginners” and you find yourself here. The journey to learn PHP for WordPress development is long, but let’s start!

You’ve maybe noted that we’ve recently been writing about WordPress and object-oriented programming in PHP a lot. Just last week, Fred published an article about PHP magic methods, especially __construct, and how they work. This week I want to tackle a very common and oft-debated question about WordPress and OOP: when I use WordPress hooks, where do they go on my objects?

In this article, we tackle an intermediate topic in object-oriented PHP: magic methods, specifically __construct().

You might want add new posts without having to log into the WordPress dashboard, or maybe allow your visitors a way to submit content of their own. You can do it. Figuring out how to submit a post from the front end is straightforward. In this article, we’ll cover a few ways you can create a new post form and save its results into a real, live WordPress post.

This article introduces one of the most important topics in WordPress development: functions.php. The functions file is one of the complex, interesting, and powerful in the arsenal of a WordPress theme. What follows

Last time, we covered the fundamentals of object-oriented programming (OOP) in PHP: what an object is, what a class is, and how they interact.

Our goal today is introduce object-oriented programming in PHP, as the basis to discuss OOP in WordPress.

This video and text Quick Guide explains how to prevent browser caching of CSS files, with a special focus on doing this for WordPress sites.

One of the things that often confuses people new to object-oriented PHP is what are called “PHP static methods” and “static properties”. They’re often confusing, because you simply aren’t used to the syntax, which is a PHP double-colon (::) where you might expect an arrow (->). But, I’m getting ahead of myself.