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[Utility & Helpers](/categories/utility) 4. / 5. kununu/collections ActiveLibrary[Utility & Helpers](/categories/utility) kununu/collections ================== To reduce boilerplate associated with collections v7.0.0(3mo ago)133.1k↑25.5%[1 issues](https://github.com/kununu/collections/issues)1MITPHPPHP >=8.4CI passing Since Aug 17Pushed 3mo ago7 watchersCompare [ Source](https://github.com/kununu/collections)[ Packagist](https://packagist.org/packages/kununu/collections)[ RSS](/packages/kununu-collections/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (10)Dependencies (6)Versions (45)Used By (1) Collections =========== [](#collections) The goal of this library is to provide some boilerplate code to assist you in creating more friendly collections when using `ArrayIterator`. Install ------- [](#install) You can use this library by issuing the following command: ``` composer require kununu/collections ``` Running Tests ------------- [](#running-tests) Run the tests by doing: ``` composer install vendor/bin/phpunit ``` or ``` composer install composer test ``` To run test and generate coverage information: ``` composer install composer test-coverage ``` Usage ----- [](#usage) The library defines interfaces to deal with collections and also boilerplate code with default implementations. You can either use the provided traits to your custom class extending `ArrayIterator` or simply expand the abstract collection classes using them. It has a default implementation for a "basic" collection and also one to filter and group data on your collections (a "filterable" collection). It defines interfaces to convert collection items to `array`, `string` and `int` and to compare items. More details: - [Collection Interfaces](docs/collection-interfaces.md) - [Collection Trait](docs/collection-trait.md) - [Filterable Collection Trait](docs/filterable-collection-trait.md) - [Auto Sortable OffsetSet Trait](docs/autosortable-offsetset-trait.md) - [Convertible](docs/convertible.md) - [Abstract Collections](docs/abstract-collections.md) - [Key Value](docs/key-value.md) - [AbstractEnumKeyValue](docs/abstract-enum-key-value.md) - [Abstract Item](docs/abstract-item.md) - [Mapper](docs/mapper.md) - [Collections Test Case](docs/abstract-collection-test-case.md) Contribute ---------- [](#contribute) If you are interested in contributing read our [contributing guidelines](/CONTRIBUTING.md). --- [![Continuous Integration](https://github.com/kununu/collections/actions/workflows/continuous-integration.yml/badge.svg)](https://github.com/kununu/collections/actions/workflows/continuous-integration.yml/badge.svg)[![Quality Gate Status](https://camo.githubusercontent.com/6e2af7e159216fc203c5c5f7bb9df96b7ed5e936d547cdbfa15c6749520dd2e4/68747470733a2f2f736f6e6172636c6f75642e696f2f6170692f70726f6a6563745f6261646765732f6d6561737572653f70726f6a6563743d6b756e756e755f636f6c6c656374696f6e73266d65747269633d616c6572745f737461747573)](https://sonarcloud.io/dashboard?id=kununu_collections) ### Health Score 53 — FairBetter than 97% of packages Maintenance62 Regular maintenance activity Popularity30 Limited adoption so far Community18 Small or concentrated contributor base Maturity85 Battle-tested with a long release history Bus Factor1 Top contributor holds 72.9% 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 ~49 days Total 42 Last Release 95d ago Major Versions v5.2.1 → v6.0.02025-04-23 v5.3.0 → v6.1.02025-06-16 v5.4.0 → v6.2.02025-07-03 v5.5.0 → v6.3.02025-08-05 v6.6.0 → v7.0.02026-02-12 PHP version history (6 changes)v1.0.0PHP ^7.2 v1.6.3PHP >=7.2 v2.0.0PHP >=8.0 v4.0.0PHP >=8.1 v6.0.0PHP >=8.3 v7.0.0PHP >=8.4 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/41483600?v=4)[Hugo Gonçalves](/maintainers/hugo-goncalves-kununu)[@hugo-goncalves-kununu](https://github.com/hugo-goncalves-kununu) --- Top Contributors [![hugo-goncalves-kununu](https://avatars.githubusercontent.com/u/41483600?v=4)](https://github.com/hugo-goncalves-kununu "hugo-goncalves-kununu (51 commits)")[![tdashton](https://avatars.githubusercontent.com/u/820379?v=4)](https://github.com/tdashton "tdashton (12 commits)")[![csizmazia](https://avatars.githubusercontent.com/u/2581924?v=4)](https://github.com/csizmazia "csizmazia (2 commits)")[![joaoalves-kununu](https://avatars.githubusercontent.com/u/22587229?v=4)](https://github.com/joaoalves-kununu "joaoalves-kununu (2 commits)")[![usmichael](https://avatars.githubusercontent.com/u/25005284?v=4)](https://github.com/usmichael "usmichael (2 commits)")[![sergionogueirakununu](https://avatars.githubusercontent.com/u/40758627?v=4)](https://github.com/sergionogueirakununu "sergionogueirakununu (1 commits)") --- Tags collections ### Code Quality TestsPHPUnit Static AnalysisPHPStan, Rector Type Coverage Yes ### Embed Badge ![Health badge](/badges/kununu-collections/health.svg) ``` [![Health](https://phpackages.com/badges/kununu-collections/health.svg)](https://phpackages.com/packages/kununu-collections) ``` ### Alternatives [doctrine/collections PHP Doctrine Collections library that adds additional functionality on top of PHP arrays. 6.0k411.1M1.2k](/packages/doctrine-collections)[dusank/knapsack Collection library for PHP 5351.0M25](/packages/dusank-knapsack)[qaribou/immutable.php Immutable, highly-performant collections, well-suited for functional programming and memory-intensive applications. 344146.0k](/packages/qaribou-immutablephp)[ilya/belt A handful of tools for PHP developers. 71020.8k1](/packages/ilya-belt)[xi/collections Functional, immutable and extensible enumerations and collections for PHP 5.3. 26100.6k1](/packages/xi-collections)[malarzm/collections Various implementations of Doctrine's Collection interface 2368.1k](/packages/malarzm-collections) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)