prepare("
SELECT o.id, o.total_price, o.status, o.created_at, u.name as user_name
FROM orders o
JOIN users u ON o.user_id = u.id
WHERE o.restaurant_id = ?
ORDER BY o.created_at DESC
");
$stmt->execute([$restaurant_id]);
$orders = $stmt->fetchAll();
$possible_statuses = ['Pending', 'Confirmed', 'Preparing', 'Out for Delivery', 'Delivered', 'Cancelled'];
?>