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pestphp/pest-plugin-mutate
==========================

Mutates your code to find untested cases

v4.0.1(10mo ago)4238.3M—4.5%7[7 PRs](https://github.com/pestphp/pest-plugin-mutate/pulls)18MITPHPPHP ^8.3CI passing

Since Jun 19Pushed 2w ago4 watchersCompare

[ Source](https://github.com/pestphp/pest-plugin-mutate)[ Packagist](https://packagist.org/packages/pestphp/pest-plugin-mutate)[ Fund](https://www.paypal.com/paypalme/enunomaduro)[ GitHub Sponsors](https://github.com/gehrisandro)[ RSS](/packages/pestphp-pest-plugin-mutate/feed)WikiDiscussions 4.x Synced 2d ago

READMEChangelog (5)Dependencies (6)Versions (26)Used By (18)

This repository contains the Pest Plugin Mutate.

> If you want to start testing your application with Pest, visit the main **[Pest Repository](https://github.com/pestphp/pest)**.

- Explore our docs at **[pestphp.com »](https://pestphp.com)**
- Follow the creator Nuno Maduro:
    - YouTube: **[youtube.com/@nunomaduro](https://www.youtube.com/@nunomaduro)** — Videos every weekday
    - Twitch: **[twitch.tv/enunomaduro](https://www.twitch.tv/enunomaduro)** — Streams (almost) every weekday
    - Twitter / X: **[x.com/enunomaduro](https://x.com/enunomaduro)**
    - LinkedIn: **[linkedin.com/in/nunomaduro](https://www.linkedin.com/in/nunomaduro)**
    - Instagram: **[instagram.com/enunomaduro](https://www.instagram.com/enunomaduro)**
    - Tiktok: **[tiktok.com/@enunomaduro](https://www.tiktok.com/@enunomaduro)**

Pest is an open-sourced software licensed under the **[MIT license](https://opensource.org/licenses/MIT)**.

###  Health Score

62

—

FairBetter than 99% of packages

Maintenance77

Regular maintenance activity

Popularity63

Solid adoption and visibility

Community30

Small or concentrated contributor base

Maturity66

Established project with proven stability

 Bus Factor1

Top contributor holds 74.6% 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 ~44 days

Recently: every ~72 days

Total

17

Last Release

29d ago

Major Versions

v2.0.0-beta.5 → v3.0.02024-09-08

v3.0.5 → v4.0.02025-08-20

2.x-dev → 3.x-dev2026-05-13

3.x-dev → 5.x-dev2026-05-13

PHP version history (4 changes)v2.0.0-beta.1PHP ^8.1

v3.0.0PHP ^8.2

v4.0.0PHP ^8.3

5.x-devPHP ^8.4

### Community

Maintainers

![](https://www.gravatar.com/avatar/86cfef5c1f5195df1a9db17a5f8ecb34455e1f0133a725de9acf7f2fb26ac6a1?d=identicon)[nunomaduro](/maintainers/nunomaduro)

![](https://www.gravatar.com/avatar/6180f55dc35aac59961f36ce372004c3d00c7447c9e9a4b78e8eff6d8e3b0840?d=identicon)[gehrisandro](/maintainers/gehrisandro)

---

Top Contributors

[![gehrisandro](https://avatars.githubusercontent.com/u/25097194?v=4)](https://github.com/gehrisandro "gehrisandro (206 commits)")[![nunomaduro](https://avatars.githubusercontent.com/u/5457236?v=4)](https://github.com/nunomaduro "nunomaduro (67 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (2 commits)")[![Rasmus-Bertell](https://avatars.githubusercontent.com/u/57398362?v=4)](https://github.com/Rasmus-Bertell "Rasmus-Bertell (1 commits)")

---

Tags

phpplugintestingunitframeworktestmutationpestmutate

###  Code Quality

TestsPest

### Embed Badge

![Health badge](/badges/pestphp-pest-plugin-mutate/health.svg)

```
[![Health](https://phpackages.com/badges/pestphp-pest-plugin-mutate/health.svg)](https://phpackages.com/packages/pestphp-pest-plugin-mutate)
```

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