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joelharkes/data-structures
==========================

Data structures for PHP

1.0.0(3y ago)04MITPHPCI failing

Since Aug 28Pushed 1y ago1 watchersCompare

[ Source](https://github.com/joelharkes/data-structures)[ Packagist](https://packagist.org/packages/joelharkes/data-structures)[ RSS](/packages/joelharkes-data-structures/feed)WikiDiscussions main Synced 1w ago

READMEChangelog (1)Dependencies (2)Versions (2)Used By (0)

data-structures
===============

[](#data-structures)

Data structures for PHP written in PHP.

Goal is to provide useful chainable methods for standard data structures, with a balance between as much type safety as possible and ease of use.

- [Stack](./src/Stack)
- [StackedList](./src/StackedList)
- [Set](./src/Set) (HashSet)
- [Collection](./src/Collection) (php array, similar to HashMap, Dictionary)

Iterator chaining
-----------------

[](#iterator-chaining)

All iterators have been extended to chaining and delayed execution.

```
$set = new \DataStructures\Set\Set();
$set->getIterator()
    ->filter(fn($value) => $value === 1)
    ->map(fn($value) => $value === 1)
    ->count(); // or all(), any().
```

###  Health Score

25

—

LowBetter than 37% of packages

Maintenance34

Infrequent updates — may be unmaintained

Popularity3

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity47

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

1359d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/2989056e74eadea458ddd0f11667cd226c99f909b93ccd10541fa0c34a302d3b?d=identicon)[joelharkes](/maintainers/joelharkes)

---

Top Contributors

[![joelharkes](https://avatars.githubusercontent.com/u/2960938?v=4)](https://github.com/joelharkes "joelharkes (43 commits)")

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan

Type Coverage Yes

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