What role does an instructor or mentor play in guiding and supporting individuals setting up web servers for educational purposes?

Instructors or mentors play a crucial role in guiding and supporting individuals setting up web servers for educational purposes by providing step-by-step instructions, troubleshooting assistance, and answering any questions that may arise. They can help ensure that the server is properly configured, secure, and optimized for educational use.

<?php
// Sample PHP code snippet for setting up a basic web server using PHP's built-in server
// Run this code in the terminal/command prompt to start the server

// Change directory to the root folder of your website
chdir('path/to/website');

// Start the PHP built-in server on port 8000
exec('php -S localhost:8000');
?>