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ericfortmeyer/php-ds-immutable
==============================

Immutable PHP data structures

v1.0.0(4y ago)05MITPHP

Since Aug 2Pushed 4y ago1 watchersCompare

[ Source](https://github.com/ericfortmeyer/php-ds-immutable)[ Packagist](https://packagist.org/packages/ericfortmeyer/php-ds-immutable)[ RSS](/packages/ericfortmeyer-php-ds-immutable/feed)WikiDiscussions main Synced 1w ago

READMEChangelogDependencies (3)Versions (2)Used By (0)

PHP DS Immutable
================

[](#php-ds-immutable)

### A small set of immutable data structure abstractions in PHP

[](#a-small-set-of-immutable-data-structure-abstractions-in-php)

[![Latest Stable Version](https://camo.githubusercontent.com/71c220310613675c31752efc819269ed297c8065eeaa74020c1993fd1b9bb816/687474703a2f2f706f7365722e707567782e6f72672f65726963666f72746d657965722f7068702d64732d696d6d757461626c652f76)](https://packagist.org/packages/ericfortmeyer/php-ds-immutable) [![Total Downloads](https://camo.githubusercontent.com/e1c508faa7b816cf7a0a2846c13e27192fdbf37f92ae5a619736a39ac264c241/687474703a2f2f706f7365722e707567782e6f72672f65726963666f72746d657965722f7068702d64732d696d6d757461626c652f646f776e6c6f616473)](https://packagist.org/packages/ericfortmeyer/php-ds-immutable) [![Latest Unstable Version](https://camo.githubusercontent.com/2eae8fd0adf399d9fac6d0677ac56575a30e9c527d12562ed4f38d42414eab82/687474703a2f2f706f7365722e707567782e6f72672f65726963666f72746d657965722f7068702d64732d696d6d757461626c652f762f756e737461626c65)](https://packagist.org/packages/ericfortmeyer/php-ds-immutable) [![License](https://camo.githubusercontent.com/bd0d4f80a99065ab4d397e9ac26a42dbefc2c29851fb28801adfbdea56948f36/687474703a2f2f706f7365722e707567782e6f72672f65726963666f72746d657965722f7068702d64732d696d6d757461626c652f6c6963656e7365)](https://packagist.org/packages/ericfortmeyer/php-ds-immutable)[![Coverage Status](https://camo.githubusercontent.com/01b97cbb86a97f87fc1b1d85dd132836d8ce7ce6240d43a851cffe5fe923ad33/68747470733a2f2f636f766572616c6c732e696f2f7265706f732f6769746875622f65726963666f72746d657965722f7068702d64732d696d6d757461626c652f62616467652e7376673f6272616e63683d6d61696e)](https://coveralls.io/github/ericfortmeyer/php-ds-immutable?branch=main)

###  Health Score

23

—

LowBetter than 27% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity4

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity51

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

Unknown

Total

1

Last Release

1751d ago

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/40972462?v=4)[Eric Fortmeyer](/maintainers/ericfortmeyer)[@ericfortmeyer](https://github.com/ericfortmeyer)

---

Top Contributors

[![ericfortmeyer](https://avatars.githubusercontent.com/u/40972462?v=4)](https://github.com/ericfortmeyer "ericfortmeyer (13 commits)")

###  Code Quality

TestsPHPUnit

Code StylePHP\_CodeSniffer

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