case HTTP_SERVER_VARS:
  public Var getSpecialRef(String name)  {    Var var = null;    switch (SPECIAL_VARS.get(name)) {    case _ENV:      {	var = new Var();		_globalMap.put(name, var);	var.set(new ArrayValueImpl());	return var;      }          case HTTP_POST_VARS:    case _POST:      {	var = new Var();	_globalMap.put(name, var);	ArrayValue post = new ArrayValueImpl();	if (_post != null) {	  for (Map.Entry<Value,Value> entry : _post.entrySet()) {	    post.put(entry.getKey(), entry.getValue());	  }	}	var.set(post);	ArrayList<String> keys = new ArrayList<String>();	keys.addAll(_request.getParameterMap().keySet());	Collections.sort(keys);	for (String key : keys) {	  String []value = _request.getParameterValues(key);	  Post.addFormValue(post, key, value);	}      }      break;    case HTTP_POST_FILES:    case _FILES:      {	var = new Var();	_globalMap.put(name, var);	ArrayValue files = new ArrayValueImpl();	if (_files != null) {	  for (Map.Entry<Value,Value> entry : _files.entrySet()) {	    files.put(entry.getKey(), entry.getValue());	  }	}	var.set(files);      }      break;    case _GET:    case _REQUEST:    case HTTP_GET_VARS:      {	var = new Var();	ArrayValue array = new ArrayValueImpl();	var.set(array);	_globalMap.put(name, var);	ArrayList<String> keys = new ArrayList<String>();	keys.addAll(_request.getParameterMap().keySet());	Collections.sort(keys);	for (String key : keys) {	  String []value = _request.getParameterValues(key);	  Post.addFormValue(array, key, value);	}	if (name.equals("_REQUEST") && _post != null) {	  for (Map.Entry<Value,Value> entry : _post.entrySet()) {	    array.put(entry.getKey(), entry.getValue().copy());	  }	}	return var;      }    case _SERVER:      {	var = new Var();	_globalMap.put(name, var);	var.set(new ServerArrayValue(this));	return var;      }    case _GLOBAL:      {	var = new Var();	_globalMap.put(name, var);	var.set(new GlobalArrayValue(this));	return var;      }    case _COOKIE:    case HTTP_COOKIE_VARS:      {	var = new Var();	_globalMap.put(name, var);	ArrayValue array = new ArrayValueImpl();	Cookie []cookies = _request.getCookies();	if (cookies != null) {	  for (int i = 0; i < cookies.length; i++) {	    Cookie cookie = cookies[i];	    String value = decodeValue(cookie.getValue());	    array.append(new StringValue(cookie.getName()),			 new StringValue(value));	  }	}	var.set(array);	_globalMap.put(name, var);	return var;      }    case PHP_SELF:      {	var = new Var();	_globalMap.put(name, var);	var.set(getGlobalVar("_SERVER").get(PHP_SELF_STRING));	_globalMap.put(name, var);	return var;      }    }    return var;  }