What are the best practices for restricting access to system functions like shutdown within a web application, especially in PHP?

To restrict access to system functions like shutdown within a web application in PHP, you can use session variables to track user permissions. Create a check before allowing the function to run, ensuring that only authorized users can access it. Additionally, consider implementing role-based access control to manage user permissions more effectively. 

session_start();

// Check if user is authorized to access the shutdown function
if($_SESSION['role'] !== 'admin') {
    die('Unauthorized access');
}

// Your shutdown function code here
function shutdown() {
    // Shutdown logic
}

register_shutdown_function('shutdown');

Keywords

PHP system functions access control security web application

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