How can PHP sessions be used to determine user access levels and restrict database access accordingly?

To determine user access levels and restrict database access accordingly using PHP sessions, you can set a session variable upon user login that stores the user's access level. Then, you can check this session variable before allowing access to certain database queries or operations. 

// Start the session
session_start();

// Set the user's access level upon login
$_SESSION['access_level'] = 'admin'; // Replace 'admin' with the actual access level of the user

// Check the user's access level before accessing the database
if ($_SESSION['access_level'] === 'admin') {
    // Allow access to database queries for admin users
    // Perform database operations here
} else {
    // Restrict access for non-admin users
    echo "You do not have permission to access this resource.";
}

Keywords

PHP sessions user access levels database access authentication authorization

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