This is an excellent example of how _not_ to write code. Custom autoloading scheme instead of PSR-0? Classname.inc.php, seriously? Moving on, dynamic variables

This is an excellent example of how _not_ to write code. Custom autoloading scheme instead of PSR-0? Classname.inc.php, seriously? Moving on, dynamic variables are a terrible unfeature that should be avoided. References usually cause more harm than good and should be avoided as well. And finally, a class which is named with a redundant "Class" suffix, containing only static members, aka class-oriented programming.