The full URL to a page comes in three parts: The domain name, the path to the file then the filename, and the query string. For example, take the URL http://www.example.com/ex ample/page.php?name=Bob: 1. The domain name: www.example.com; 2. The path to the page: /example/page.php; 3. The query string: name=Bob So how do you find it all out in your own PHP scripts? This guide will tell you how access each of these elements by using the $_SERVER superglobal array which is available at all times within your PHP scripts.