EeShippingStatus.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class EeShippingStatus extends Model
{
    const INITIATED = 1;
    const DISPATCHED = 2;
    const DELIVERED = 3;
    const RETURNED = 4;
    const PENDING_RETURN = 5;

    public static function getStatusNameAttribute($shipping_id) {
        $map = [ null, 'Initiated',  'Dispatched', 'Delivered', 'Returned', 'Pending Return' ];
        return $map[$shipping_id] ?? null;
    }

}

$map = [ null, 'Initiated',  'Dispatched', 'Delivered', 'Returned', 'Pending Return' ];

return $map[$shipping_id] ?? null;