CSecurityFilter::cleanGlobals

static function cleanGlobals()
{
	$safetyGlobals = self::getSafetyGlobals();
	foreach($_REQUEST as $key => $value)
	{
		if(!isset($safetyGlobals[$key]) && $value === $GLOBALS[$key])
		{
			unset($GLOBALS[$key]);
		}
	}
}