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trollbus/message-bus
====================

Trollbus is Flexible Message Bus implementation with middleware and handler result support

0.2.0(9mo ago)01.7k—2.1%2MITPHPPHP 8.1.\* || 8.2.\* || 8.3.\* || 8.4.\*

Since Mar 9Pushed todayCompare

[ Source](https://github.com/trollbus/message-bus)[ Packagist](https://packagist.org/packages/trollbus/message-bus)[ RSS](/packages/trollbus-message-bus/feed)WikiDiscussions 0.3.x Synced today

READMEChangelog (3)Dependencies (3)Versions (6)Used By (2)

Trollbus MessageBus
===================

[](#trollbus-messagebus)

`Trollbus` is another yet Flexible Message Bus implementation with middleware and handler result support.

Inspired by [Telephantast](https://github.com/telephantast/telephantast). Most of the ideas were taken from there.

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

[](#installation)

```
composer require trollbus/message-bus
```

Usage
-----

[](#usage)

Common usage:

```
use Trollbus\MessageBus\CreatedAt\CreatedAtMiddleware;
use Trollbus\MessageBus\Handler\CallableHandler;
use Trollbus\MessageBus\HandlerRegistry\ClassStringMap;
use Trollbus\MessageBus\HandlerRegistry\ClassStringMapHandlerRegistry;
use Trollbus\MessageBus\Logging\LogMiddleware;
use Trollbus\MessageBus\MessageBus;
use Trollbus\MessageBus\MessageContext;
use Trollbus\MessageBus\MessageId\CausationIdMiddleware;
use Trollbus\MessageBus\MessageId\CorrelationIdMiddleware;
use Trollbus\MessageBus\MessageId\MessageIdMiddleware;
use Trollbus\MessageBus\MessageId\RandomMessageIdGenerator;
use Trollbus\MessageBus\Transaction\WrapInTransactionMiddleware;

// Create Message handler
$registerUserHandler = new \Trollbus\MessageBus\Handler\CallableHandler(
    id: 'register-user',
    handler: function(): void {
        // ... Some code
    },
);

// Configure handler registry
$handlerRegistry = new ClassStringMapHandlerRegistry(
    (new ClassStringMap())
        ->with(RegisterUser::class, $registerUserHandler),
);

// Configure Message Bus
$messageBus = new MessageBus(
    handlerRegistry: $handlerRegistry,
    middlewares: [
        new CreatedAtMiddleware(),
        new MessageIdMiddleware(
            use RandomMessageIdGenerator(),
        ),
        new CorrelationIdMiddleware(),
        new CausationIdMiddleware(),
        new LogMiddleware($logger), // Use any psr logger
        new WrapInTransactionMiddleware($transactionProvider),
    ],
);

// Use Message Bus
$messageBus->dispatch(new RegisterUser(
    username: 'choibm',
    password: '123',
));
```

###  Health Score

42

—

FairBetter than 88% of packages

Maintenance80

Actively maintained with recent releases

Popularity19

Limited adoption so far

Community10

Small or concentrated contributor base

Maturity49

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 ~96 days

Recently: every ~110 days

Total

6

Last Release

0d ago

PHP version history (2 changes)0.1.0PHP 8.1.\* || 8.2.\* || 8.3.\* || 8.4.\*

0.3.x-devPHP 8.1.\* || 8.2.\* || 8.3.\* || 8.4.\* || 8.5.\*

### Community

Maintainers

![](https://www.gravatar.com/avatar/c929378f19c1e2e6a9525debcf490ec49c991a3d1ac6133e3c9fa45cef184102?d=identicon)[Kenny1911](/maintainers/Kenny1911)

---

Top Contributors

[![Kenny1911](https://avatars.githubusercontent.com/u/25887351?v=4)](https://github.com/Kenny1911 "Kenny1911 (48 commits)")

---

Tags

messageeventquerycommandbuscqrstrollbus

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![Health badge](/badges/trollbus-message-bus/health.svg)

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```

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