Many applications wish to obtain parts of the URL for the current page (the hostname, the query string, etc.), and the CHttpRequest class wraps various $_SERVER variables to break down the URL into its constituent parts.
When using the latest stable jQuery UI themes (1.8.10) with Yii 1.1.6 (which uses 1.8.6) the widgets don't appear (they're invisible but they're there). In order to make them visible you need to change the following line:
If you are testing your app and use urlManager in your config, sometimes you will find a problem: you want to test your site independing from urlManager settings. in that way you need to extend your WebTestCase class by this method: