note 23551 added to function.preg-replace-callback

anyone have a good work around for this: preg_replace ("/%([a-fA-F0-9]{2})/e","pack('c',hexdec($1))","%2C"); ? in this format it yields Parse error: parse error, unexpected T_STRING Fatal error: Failed evaluating code: pack('c',hexdec(2C)) -- http://www.php.net/manual/en/function.preg-replace-callback.php http://master.php.net/manage/user-notes.php?action=edit+23551 http://master.php.net/manage/user-notes.php?action=delete+23551 http://master.php.net/manage/user-notes.php?action=reject+23551