Functions in WP Rig

- [Instructor] All WordPress themes must have a file … called functions.php. … And traditionally this is the file that contained … all the set up of the theme and all the customizations. … However, as WordPress has evolved, … more and more of that functionality has moved … out of funcitons.php and into other files. … And in WP rig, we've taken that to the extreme … by removing all functionality from functions.php … and just letting this file control the function … of WP rig itself so that all the modularity works. … That means, as you create new functions … for your own custom themes with WP rig, … you never touch functions.php itself. … This file is no longer where you place any functionality. … All custom functionality lives inside the inc folder … under different php modules. … This also introduces a new way of doing things … where custom functions are concerned. … And the best way of explaining how it works … is to show you an example. … If we go to sidebar.php, … the template file that generates the sidebar, …