http://www.php.net/manual/en/security.globals.php Using Register GlobalsWarningThis feature has been DEPRECATED as of PHP 5.3.0 and REMOVED as of PHP 5.4.0.Perhaps the most controversial change in PHP is when the default value for the PHP directive register_globals went from ON to OFF in PHP » 4.2.0. Reliance on this directive was quite common and many people didn't even know it existed and assu..