Will my site get messed up when the wordpress theme updates if I edited the html code in the editor to change footer?

Save the code you edit to your computer. When you update the theme, make the same edits again. I highly discourage this practice, but it works. Most “savy” tech dudes use “git”, or other similar versioning software practices to keep from having to do this. Also, as you have stated, a child theme could exist, … Read more

How to call multiple functions from multiple files into a WordPress page template [closed]

Just add your functions to your theme’s functions.php file. They will be available to all of the templates within the theme. functions.php: function add_cars_specifications() { if ( in_category( ‘cars’ ) ) { echo types_render_field( ‘cars-specs’, array() ); } } In your page template file and other templates in the theme, add_cars_specifications() will be in scope, … Read more