Predefined Variables

PHP has a list of predefined varibles that you can call without neending to create them yourself.

Some Variables include "$GLOBALS" "$_SERVER" "$_GET" "$_POST" "$_FILES"

The Variables on this page
1. Uses "\$_SERVER["SCRIPT_FILENAME"]" to print the name of the current file
2. Uses "$_SERVER["HTTP_USER_AGENT"];" to print the users informatiom
3. Uses "$_SERVER["SERVER_SOFTWARE"];" to print what software the server is useing
4. Uses "$_SERVER["SERVER_ADMIN"];" to print the web admines informaiton
These are all server variable that can be called.
1. Print the name of this script:

You are running the file:
/home/lofy/public_html/INFOST-440/assignment3/predefined.php.

2. Print the user's information:

You are viewing this page using:
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

3. Print the server's information:

This server is running:
Apache.

4. Print the admin's information:

This server admin is:
.webmaster@lofy.soisweb.uwm.edu.