You are running the file:
/home/monaaden/public_html/infost440/a3/predefined.php.
This server is running:
monaaden.soisweb.uwm.edu.
PHP provides a large number of predefined variables to any script which it runs. PHP provides an additional set of predefined arrays containing variables from the web server the environment, and user input. This allows you to quickly glean important and frequently used information. For example, $_SERVER is a predefined variable that stores information about the web server, such as the website's name or the current date.