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solophp/request-handler
=======================

Robust request validation &amp; authorization layer for HTTP inputs with type-safe handlers and modern PHP 8+ architecture

v3.1.0(1mo ago)070MITPHPPHP ^8.2CI passing

Since Sep 24Pushed 1mo agoCompare

[ Source](https://github.com/SoloPHP/Request-Handler)[ Packagist](https://packagist.org/packages/solophp/request-handler)[ RSS](/packages/solophp-request-handler/feed)WikiDiscussions main Synced today

READMEChangelog (9)Dependencies (10)Versions (10)Used By (0)

Solo Request Handler
====================

[](#solo-request-handler)

Type-safe Request DTOs for PHP 8.2+ with focused per-property attributes, declarative validation, type casting, and full IDE support.

[![Latest Version on Packagist](https://camo.githubusercontent.com/cf6b1e4e9b692f219e71597d621804b86a65cf8eb9b9bcd6fb4039b7b021d80c/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f736f6c6f7068702f726571756573742d68616e646c65722e737667)](https://packagist.org/packages/solophp/request-handler)[![PHP Version](https://camo.githubusercontent.com/9051b6544f57608ca691a918b38ad8c567657e0ecb6d4e960be274f287d171d8/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5048502d382e322532422d3838393242462e737667)](https://php.net/)[![License](https://camo.githubusercontent.com/8bb50fd2278f18fc326bf71f6e88ca8f884f72f179d3e555e20ed30157190d0d/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6963656e73652d4d49542d677265656e2e737667)](LICENSE)

Features
--------

[](#features)

- **Per-property source binding** — default source comes from the handle method (`handleBody` → Body, `handleQuery` → Query); `#[FromRoute]` and `#[FromContext]` override per property. No implicit merging, no surprises.
- **Attribute-composed DTOs** — each concern is its own focused attribute: `#[Validate]`, `#[Cast]`, `#[PostProcess]`, `#[Generator]`, `#[Items]`, …
- **Convention over configuration** — every public non-static property is managed; attributes only add behaviour
- **Automatic type casting** — driven by the property's declared type; built-ins for int, float, bool, string, array, DateTime + custom casters
- **Validation rules** — passed verbatim to your `ValidatorInterface`; route and context values land in the validation payload as regular fields, so cross-field rules (`exists:…,scope_col,{field}`) work without special syntax
- **Generators** — auto-generate UUIDs, sequences, custom values via `#[Generator]`
- **Pre/post processing** — `#[PreProcess]` / `#[PostProcess]` for transformation
- **Nested items** — `#[Items]` validates arrays of nested Request DTOs with dot-notation error paths
- **Fail-fast** — every misconfiguration throws `ConfigurationException` at metadata-build time, not at first request
- **Schema export** — `schema()` emits JSON-serializable per-field metadata (type, nullability, requiredness incl. conditional `required_if`, normalized rules) so the frontend can treat the backend as the single source of truth

Installation
------------

[](#installation)

```
composer require solophp/request-handler
```

Quick Example
-------------

[](#quick-example)

```
use Solo\RequestHandler\Attributes\{Validate, Generator, Items, Exclude};
use Solo\RequestHandler\Attributes\Source\{FromRoute, FromContext};
use Solo\RequestHandler\Request;

final class UpdateProductRequest extends Request
{
    // PUT /products/{id}
    #[FromRoute]
    #[Validate('required|integer|exists:products,id')]
    public int $id;

    // default body — no source attribute needed
    #[Validate('required|string|max:255')]
    public string $name;

    #[Validate('required|numeric|min:0')]
    public float $price;

    #[Validate('nullable|integer|min:0')]
    public int $stock = 0;

    #[FromContext('tenantId')]
    #[Validate('required|integer')]
    public int $tenantId;

    #[FromContext('authUserId')]
    #[Validate('required|integer')]
    public int $updatedBy;

    #[Validate('required|string|min:8')]
    #[Exclude]              // validated/processed but hidden from toArray()
    public string $newPassword;
}

// Controller
$dto = $requestHandler->handleBody(
    UpdateProductRequest::class,
    $request,
    route:   ['id' => $productId],
    context: ['tenantId' => $tenant->id(), 'authUserId' => $auth->id()],
);

$dto->id;          // int — pulled from URL path
$dto->name;        // string — from body
$dto->tenantId;    // int — from application context
$dto->updatedBy;   // int — from application context
$dto->toArray();   // ['id'=>…, 'name'=>…, 'price'=>…, 'stock'=>…, 'tenantId'=>…, 'updatedBy'=>…] — no newPassword
```

Attribute family
----------------

[](#attribute-family)

AttributePurpose`#[Validate('rules')]`Validation rules (passed to your `ValidatorInterface`)`#[FromRoute(?string $key = null)]`Read from the `$route` argument (URL path params)`#[FromContext(string $key)]`Read from the `$context` argument (auth user, tenant, …)`#[FromBody(string $path)]`Read from a nested body path (`customer.id`); flat keys may also be remapped this way`#[Cast('int'|'float'|'datetime:Y-m-d'|...)]`Explicit built-in cast`#[Caster(MoneyCaster::class)]`Custom `CasterInterface` implementation`#[PreProcess(MyProc::class)]`Run handler BEFORE validation`#[PostProcess(MyProc::class, config: [...])]`Run handler AFTER validation, with optional config`#[Generator(UuidGenerator::class, options: [...])]`Value is generated, not read from any source`#[Items(OrderItemRequest::class)]`Property is an array of nested DTOs`#[Group('criteria', mapTo: 'positions.id')]`Group membership + remap for `Request::group()``#[Exclude]``Request::toArray()` skips this property (still validated &amp; processed)`#[Ignore]`Property is invisible to the handler AND to `toArray()`/`has()`/`get()`/`group()`Properties without a source attribute read from the default-source bag (Body for `handleBody`/`handleArray`, Query for `handleQuery`) by name. For values that don't fit the four bags (Body, Query, Route, Context) — request headers, cookies, file uploads — extract them in the controller and pass them via `route: [...]` or `context: [...]`.

To opt a public property out of input processing entirely, mark it with `#[Ignore]` — the handler skips it and `toArray()`/`has()`/`get()`/`group()` will not see it either. Or change its visibility to `protected`/`private` — the handler only touches public properties.

Schema introspection
--------------------

[](#schema-introspection)

`schema()` reflects a request class into a JSON-serializable description of its input contract — without touching any HTTP input. Hand it to the frontend so validation rules live in exactly one place.

```
$schema = $requestHandler->schema(UpdateProductRequest::class);

// [
//   'id' => [
//     'type' => 'int', 'nullable' => false, 'required' => true,
//     'requiredIf' => null, 'hasDefault' => false, 'exclude' => false,
//     'source' => 'route',
//     'rules' => [['name' => 'required', 'args' => []], ['name' => 'integer', 'args' => []]],
//   ],
//   'name' => [
//     'type' => 'string', 'nullable' => false, 'required' => true,
//     'requiredIf' => null, 'hasDefault' => false, 'exclude' => false, 'source' => null,
//     'rules' => [['name' => 'required', 'args' => []], ['name' => 'string', 'args' => []], ['name' => 'max', 'args' => ['255']]],
//   ],
//   'slug' => [
//     'type' => 'string', 'nullable' => true, 'required' => false,
//     'requiredIf' => ['field' => 'status', 'value' => 'published'],
//     'hasDefault' => true, 'exclude' => false, 'source' => null,
//     'rules' => [/* … incl. ['name' => 'required_if', 'args' => ['status', 'published']] */],
//   ],
// ]

echo json_encode($schema); // round-trips losslessly — scalars and arrays only
```

Every managed property is emitted (excluded/`#[FromRoute]`/`#[FromContext]` fields included) — `exclude` and `source` are reported as flags so the consumer decides what to render. Notes:

- `required` reflects the **literal** `required` rule only. Conditional requiredness lives in `requiredIf` (the first well-formed `required_if`, as `{field, value}`), and the rule itself is still present in `rules`.
- `source` is `'body' | 'query' | 'route' | 'context'`, or `null` when the field uses the handle method's default bag.
- `rules` is the full normalized rule list, split with the same semantics the handler uses internally: `name` is the part before the first `:`, `args` is the comma-split remainder.

Documentation
-------------

[](#documentation)

**[Full Documentation](https://solophp.github.io/Request-Handler/)**

- [Installation](https://solophp.github.io/Request-Handler/guide/installation)
- [Quick Start](https://solophp.github.io/Request-Handler/guide/quick-start)
- [Configuration](https://solophp.github.io/Request-Handler/guide/configuration)
- [Attributes](https://solophp.github.io/Request-Handler/features/field-attribute)
- [Type Casting](https://solophp.github.io/Request-Handler/features/type-casting)
- [Processors](https://solophp.github.io/Request-Handler/features/processors)
- [Generators](https://solophp.github.io/Request-Handler/features/generators)
- [Nested Items](https://solophp.github.io/Request-Handler/features/nested-items)
- [Validation](https://solophp.github.io/Request-Handler/features/validation)
- [API Reference](https://solophp.github.io/Request-Handler/api/request-class)

Requirements
------------

[](#requirements)

- PHP 8.2+
- PSR-7 HTTP Message implementation
- Validator implementing `Solo\Contracts\Validator\ValidatorInterface`

We recommend [solophp/validator](https://github.com/SoloPHP/Validator).

License
-------

[](#license)

MIT License. See [LICENSE](LICENSE) for details.

###  Health Score

43

—

FairBetter than 89% of packages

Maintenance93

Actively maintained with recent releases

Popularity8

Limited adoption so far

Community6

Small or concentrated contributor base

Maturity54

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~31 days

Recently: every ~37 days

Total

9

Last Release

37d ago

Major Versions

v1.2.0 → v2.0.02025-12-29

v2.2.0 → v3.0.02026-05-26

### Community

Maintainers

![](https://www.gravatar.com/avatar/2f29817cec408d033cd4441c8f760e3ae40248dc0f66856a09080d282aee6959?d=identicon)[Vitaliy Olos](/maintainers/Vitaliy%20Olos)

---

Top Contributors

[![SoloPHP](https://avatars.githubusercontent.com/u/175482616?v=4)](https://github.com/SoloPHP "SoloPHP (38 commits)")

---

Tags

requestpsrphpvalidationprocessingauthorizationformphp8strict types

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan

Code StylePHP\_CodeSniffer

Type Coverage Yes

### Embed Badge

![Health badge](/badges/solophp-request-handler/health.svg)

```
[![Health](https://phpackages.com/badges/solophp-request-handler/health.svg)](https://phpackages.com/packages/solophp-request-handler)
```

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