PHP code example of ufo-tech / dto-transformer

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

ufo-tech / dto-transformer example snippets

use Ufo\DTO\Attributes\AttrDTO;

class UserDto implements IArrayConstructible, IArrayConvertible
{
    use ArrayConstructibleTrait;
    use ArrayConvertibleTrait;
    
    public readonly $randomNumber;

    public function __construct(
        public string $name,
        public string $email,
    ) 
    {
        $this->randomNumber = rand(1, 100);   
    }
}

class MemberWithFriendsDTO implements IArrayConstructible, IArrayConvertible
{
    use ArrayConstructibleTrait;
    use ArrayConvertibleTrait;

    public function __construct(
        public User $user
        #[AttrDTO(User::class, collection: true, renameKeys: ['randomNumber' => null])]
        public array $friends
    ) {}
}

$data = [
    'user' => [
        'name' => 'Alex',
        'email' => '[email protected]',
        'randomNumber' => 99,
    ],
    'friends' => [
        [
            'name' => 'Ivan',
            'email' => '[email protected]',
            'randomNumber' => 23,
        ],
        [
            'name' => 'Peter',
            'email' => '[email protected]',
            'randomNumber' => 14,
        ]
    ]
];

$dto = DTOTransformer::fromArray(MemberWithFriendsDTO::class, $data);
var_dump($dto);
//object(MemberWithFriendsDTO)#...
//  public $user =>
//    object(User)#...
//      public $name => "Alex"
//      public $email => "[email protected]"
//      public $randomNumber => 12
//
//  public $friends =>
//    array(2) {
//      [0] =>
//        object(User)#...
//          public $name => "Ivan"
//          public $email => "[email protected]"
//          public $randomNumber => 23
//      [1] =>
//        object(User)#...
//          public $name => "Peter"
//          public $email => "[email protected]"
//          public $randomNumber => 11
//    }

$data = DTOTransformer::toArray($dto); 
//[
//    'user' => [
//        'name' => 'Alex',
//        'email' => '[email protected]',
//        'randomNumber' => 12,
//    ],
//    'friends' => [
//        [
//            'name' => 'Ivan',
//            'email' => '[email protected]',
//            'randomNumber' => 23,
//        ],
//        [
//            'name' => 'Peter',
//            'email' => '[email protected]',
//            'randomNumber' => 11,
//        ]
//    ]
//];

use Ufo\RpcObject\DTO\IDTOFromArrayTransformer;
use Ufo\RpcObject\DTO\DTOTransformer;

class OrderDTO
{
    public function __construct(
        public int $id,
        public float $amount,
        public DateTimeImmutable $createdAt,
    ) {}
}

final class OrderTransformer implements IDTOFromArrayTransformer
{
    public static function fromArray(
        string $classFQCN,
        array $data,
        array $renameKey = []
    ): object {
        $data['amount'] = (float) $data['amount'];
        $data['createdAt'] = new DateTimeImmutable($data['createdAt']);

        return DTOTransformer::fromArray($classFQCN, $data, $renameKey);
    }

    public static function supportsClass(string $classFQCN): bool
    {
        return is_a($classFQCN, OrderDTO::class, true);
    }
}

use Ufo\DTO\Attributes\AttrDTO;

class MemberWithOrdersDTO implements IArrayConstructible, IArrayConvertible
{
    use ArrayConstructibleTrait;
    use ArrayConvertibleTrait;

    public function __construct(
        public User $user,
        #[AttrDTO(Order::class, collection: true, transformerFQCN: OrderTransformer::class)]
        public array $orders
    ) {}
}

$data = [
    'user' => [
        'name' => 'Alex',
        'email' => '[email protected]',
    ],
    "orders" => [
        [
            'id' => 101,
            'amount' => '199.90',
            'createdAt' => '2025-05-09T20:00:00+03:00'
        ],
        [
            'id' => 102,
            'amount' => '99.90',
            'createdAt' => '2025-05-08T12:20:00+03:00'
        ]
    ]
];

$dto = DTOTransformer::fromArray(MemberWithOrdersDTO::class, $data);