<?php include "Enum.inc"; include "EnumIterator.inc"; Enum::enablePureMode(); abstract class Months extends Enum { } class JANUARY extends Months { var $value = 1; } class FEBRUARY extends Months { } class MARCH extends Months { } class APRIL extends Months { } class MAY extends Months { } class JUNE extends Months { } class JULY extends Months { } class AUGUST extends Months