How can you ensure that each PHP page is independently protected without relying on a centralized index.php file?

To ensure that each PHP page is independently protected without relying on a centralized index.php file, you can implement authentication and authorization checks directly within each PHP page. This can be achieved by including a script at the beginning of each PHP file that verifies the user's credentials and permissions before allowing access to the page. 

// Include this script at the beginning of each PHP page to enforce authentication and authorization

session_start();

// Check if user is logged in
if (!isset($_SESSION['logged_in']) || $_SESSION['logged_in'] !== true) {
    header('Location: login.php');
    exit;
}

// Check user's role or permissions
if ($_SESSION['role'] !== 'admin') {
    echo 'You do not have permission to access this page.';
    exit;
}

Keywords

PHP session management authentication authorization security

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