/**
  * Cleans the request from script injection.
  *
  * @static
  * @return	void
  * @since	1.5
  */
 public static function clean()
 {
     SomeRequest::_cleanArray($_FILES);
     SomeRequest::_cleanArray($_ENV);
     SomeRequest::_cleanArray($_GET);
     SomeRequest::_cleanArray($_POST);
     SomeRequest::_cleanArray($_COOKIE);
     SomeRequest::_cleanArray($_SERVER);
     if (isset($_SESSION)) {
         SomeRequest::_cleanArray($_SESSION);
     }
     $REQUEST = $_REQUEST;
     $GET = $_GET;
     $POST = $_POST;
     $COOKIE = $_COOKIE;
     $FILES = $_FILES;
     $ENV = $_ENV;
     $SERVER = $_SERVER;
     if (isset($_SESSION)) {
         $SESSION = $_SESSION;
     }
     foreach ($GLOBALS as $key => $value) {
         if ($key != 'GLOBALS') {
             unset($GLOBALS[$key]);
         }
     }
     $_REQUEST = $REQUEST;
     $_GET = $GET;
     $_POST = $POST;
     $_COOKIE = $COOKIE;
     $_FILES = $FILES;
     $_ENV = $ENV;
     $_SERVER = $SERVER;
     if (isset($SESSION)) {
         $_SESSION = $SESSION;
     }
     // Make sure the request hash is clean on file inclusion
     $GLOBALS['_JREQUEST'] = array();
 }