CodeIgniter 3.0 Proposed Change: NULL v FALSE

[eluser]solepixel[/eluser]
Because url.com/?foo is not the same as url.com/?bar when it comes to:

Code:

function get($foo){
   if(isset($_GET[$foo])){
      return $_GET[$foo]; // url.com/?foo=
   }
   return FALSE; // url.com/?bar
}