ifnex/04_Laravel/app/Enums/ShipmentStatus.php

<?php

namespace App\Enums;

enum ShipmentStatus: string
{
    case Processed = 'processed';
    case PickedUp = 'picked_up';
    case InTransit = 'in_transit';
    case OutForDelivery = 'out_for_delivery';
    case Failed = 'failed';
    case Delivered = 'delivered';
    case Returned = 'returned';
}