<?php

// config.php
return {
    'types' => [
        OrderType::ACTIVE => \App\ActiveOrder::class,
        OrderType::NEW => \App\NewOrder::class,
        OrderType::DISABLED => \App\DisabledOrder::class,
    ]
}

// OrderFactory.php
class OrderFactory {

    public function getOrder(int $type): Order {

        if (
            config()->has('types.' . $type) &&
            class_exist(config()->get('types.' . $type))
        ) {
            return new (config()->get('types.' . $type));
        }

        throw new \InvalidArgumentException('Undefined order type');
    }
}