note 21575 added to function.checkdate

PHP should not be recognizing year 0 as a valid year since there is no year 0 in the Gregorian calendar which started at year 1. One year before year 1 CE is 1 BCE. -- http://www.php.net/manual/en/function.checkdate.php http://master.php.net/manage/user-notes.php?action=edit+21575 http://master.php.net/manage/user-notes.php?action=delete+21575 http://master.php.net/manage/user-notes.php?action=reject+21575