Scouring the Internet for solutions to WordPress problems will inevitably bring you to sites that ask you to insert some piece of code or the other into functions.php. If you’re new to WordPress, this can be a confusing thing. By default, WordPress doesn’t have any obvious interface for you to insert code. And besides…copy-pasting stuff into your installation is dangerous. In this tutorial, we’ll show you how to safely install code into WordPress’s functions.php file. Let’s go.