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Generates immutable DTO classes for PHP 8.4 apps, including request/response objects for API boundaries, layer-specific data transfer, serialization methods, and unit tests.
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Generate DTOs for transferring data between layers, API boundaries, and external systems.
Creates DTO classes (Java, Kotlin) for entities with selected attributes, constructors, and optional mappers. Part of the Spring Agent Toolkit using Amplicode MCP.
Builds PHP 8.3+ applications with Laravel/Symfony, strict typing, PHPStan level 9, and PSR standards. Creates typed DTOs, controllers, migrations, tests, and REST/GraphQL APIs.
Generates PHP 8.4 application use cases that orchestrate domain objects, manage transactions, dispatch events, create DTOs, and include unit tests. For DDD-style backends.
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Generate DTOs for transferring data between layers, API boundaries, and external systems.
| Type | Purpose | Location |
|---|---|---|
| Request DTO | API input validation | Presentation layer |
| Response DTO | API output formatting | Presentation layer |
| Command DTO | Use case input | Application layer |
| Query Result DTO | Read model output | Application layer |
| Integration DTO | External API data | Infrastructure layer |
Determine the purpose and layer for the DTO.
Path based on type:
src/Presentation/Api/{Context}/Request/src/Presentation/Api/{Context}/Response/src/Application/{Context}/DTO/src/Infrastructure/ExternalApi/{Service}/DTO/fromArray() — Create from raw datafromEntity() — Create from domain entity (Response DTOs)toArray() / jsonSerialize() — Serialize for outputPath: tests/Unit/{Layer}/{Context}/{Type}/
| Type | Path |
|---|---|
| Request DTO | src/Presentation/Api/{Context}/Request/ |
| Response DTO | src/Presentation/Api/{Context}/Response/ |
| Application DTO | src/Application/{Context}/DTO/ |
| Integration DTO | src/Infrastructure/ExternalApi/{Service}/DTO/ |
| Unit Tests | tests/Unit/{Layer}/{Context}/{Type}/ |
| Type | Pattern | Example |
|---|---|---|
| Request | {Action}{Entity}Request | CreateOrderRequest, UpdateUserRequest |
| Response | {Entity}Response | OrderResponse, UserResponse |
| Collection | {Entity}CollectionResponse | OrderCollectionResponse |
| Application | {Entity}DTO | UserDTO, OrderDTO |
| Integration | {Service}{Action}Response | PaymentGatewayResponse |
final readonly class {Name}Request
{
public function __construct(
#[Assert\NotBlank]
public string $field,
#[Assert\Valid]
public ?NestedRequest $nested = null
) {}
public static function fromArray(array $data): self;
}
final readonly class {Name}Response implements \JsonSerializable
{
public function __construct(
public string $id,
public string $name,
/** @var array<ItemResponse> */
public array $items = []
) {}
public static function fromEntity({Entity} $entity): self;
public function jsonSerialize(): array;
}
final readonly class {Name}DTO
{
public function __construct(
public string $id,
public string $field
) {}
public static function fromRequest({Name}Request $request): self;
public function toArray(): array;
}
| Anti-pattern | Problem | Solution |
|---|---|---|
| Business Logic | DTO with calculations | Keep DTOs data-only |
| Mutable DTO | setters, state changes | Use readonly, immutable |
| Domain Objects | Returning entities from API | Map to Response DTO |
| Anemic Validation | No input validation | Use Assert attributes |
| Deep Nesting | Complex nested DTOs | Flatten or split |
| Missing Serialization | No JSON support | Implement JsonSerializable |
For complete PHP templates and examples, see:
references/templates.md — Request, Response, Application, Collection, Integration DTO templatesreferences/examples.md — Order, User, Payment examples and tests