All WordPress themes come with a powerful file that acts as a plugin which allows you to add a lot of interesting and useful snippets to your WordPress site. In this article, we will show you some of the most useful tricks for the "WordPress Functions File"
Change some of the default behaviors of WordPress by using the "functions.php" file. Adding features and functionality to any WordPress website with PHP code. You can use it to call native PHP functions, WordPress functions, or to define your own functions
If your theme already has a functions file, you can add the below snippets to it. If not, you can create a plain-text file named functions.php to add to your theme's directory