// REPLACE THIS SECTION in class-booking-handler.php $price_per_night = floatval(get_post_meta($room->ID, '_coronia_price', true)); $checkin = sanitize_text_field($_POST['checkin'] ?? $booking_data['checkin']); $checkout = sanitize_text_field($_POST['checkout'] ?? $booking_data['checkout']); $nights = intval($_POST['nights'] ?? 1); // Get nights from form $rooms_qty = intval($_POST['rooms_qty'] ?? $booking_data['rooms_qty']); $adults = intval($_POST['adults_count'] ?? $booking_data['adults']); $children = intval($_POST['children_count'] ?? $booking_data['children']); $subtotal = $price_per_night * $nights * $rooms_qty;