An introductory PHP course is a good starting point for learning how to customize your WordPress site(s). PHP is a server-side language, which means it is the “back-end” of your website. If you want to add custom functionailty to your functions.php in WordPress, you will need to know PHP!
PHP is a surprisingly easy language to learn yet it has extensive capabilities. In this 3-session workshop, you will learn the basics of PHP, how to write your own functions, and we’ll look at how all of that relates to WordPress.