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dmt-software/ab-middleware
==========================

ab testing middleware compatible with psr

0.0.14(2mo ago)07.3k↓68.1%[1 PRs](https://github.com/dmt-software/ab-middleware/pulls)1MITPHPPHP ^8.3CI passing

Since Oct 29Pushed 2mo ago2 watchersCompare

[ Source](https://github.com/dmt-software/ab-middleware)[ Packagist](https://packagist.org/packages/dmt-software/ab-middleware)[ RSS](/packages/dmt-software-ab-middleware/feed)WikiDiscussions main Synced 2w ago

READMEChangelog (10)Dependencies (32)Versions (16)Used By (1)

PSR-15 ab testing middleware
============================

[](#psr-15-ab-testing-middleware)

This PSR-15 middleware allows you to do A/B testing on your application.

Cookies are used to keep track of a randomly generated user-id. Based on this cookie, a variant is selected for an experiment.

The Twig helper can be used to conditionally render the experiment template variants.

Although more than one experiment can be defined, only one experiment is supposed to be active at a time.

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

[](#installation)

```
composer require dmt-software/ab-middleware
```

Usage
-----

[](#usage)

```
use DMT\AbMiddleware\AbService;
use DMT\AbMiddleware\AbPsrMiddleware;

// define your experiments
$experiments = [
    'active-experiment' => [
        'variant-1' => 0.3,
        'variant-2' => 0.3,
        'control' => 0.4,
    ],
    'old-experiment' => [
        'variant-1' => 0.3,
        'variant-2' => 0.3,
        'control' => 0.4,
    ],
];

// instantiate the service
$service = new AbService($experiments);

// instantiate the middleware
$abMiddleware = new AbPsrMiddleware($service, 'ab-uid-cookie-name');

// add the middleware to your middleware stack
```

###  Health Score

47

—

FairBetter than 93% of packages

Maintenance86

Actively maintained with recent releases

Popularity23

Limited adoption so far

Community15

Small or concentrated contributor base

Maturity53

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 74.2% 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 ~48 days

Recently: every ~58 days

Total

13

Last Release

74d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/ec6b7fbb4d231b5c2c76348cf3a13ec5e82c64a1826142f6ec0db1cf15db2873?d=identicon)[proggeler](/maintainers/proggeler)

![](https://www.gravatar.com/avatar/ea1df8d4eb476756f31e2c698e8b2c161c8be1b8482091f930abbddfd8d2fc52?d=identicon)[lingonl](/maintainers/lingonl)

---

Top Contributors

[![lingonl](https://avatars.githubusercontent.com/u/3777294?v=4)](https://github.com/lingonl "lingonl (23 commits)")[![KirosML](https://avatars.githubusercontent.com/u/123894927?v=4)](https://github.com/KirosML "KirosML (8 commits)")

---

Tags

ab-testingpsr-15

###  Code Quality

TestsPHPUnit

Code StylePHP\_CodeSniffer

### Embed Badge

![Health badge](/badges/dmt-software-ab-middleware/health.svg)

```
[![Health](https://phpackages.com/badges/dmt-software-ab-middleware/health.svg)](https://phpackages.com/packages/dmt-software-ab-middleware)
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