Script name: /INFOST440/assignments/assignment2/predefined.php
User agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Predefined variables in PHP are built-in variables that provide information about the server,
the execution environment, and user inputs. Examples include $_SERVER,
which contains server and execution environment information, and $_GET,
which contains data from query strings.
