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[Utility & Helpers](/categories/utility) 4. / 5. phel-lang/phel-lang ActiveLibrary[Utility & Helpers](/categories/utility) phel-lang/phel-lang =================== Phel is a functional programming language that compiles to PHP v0.30.0(1mo ago)4743.5k—0%219MITPHPPHP >=8.3CI passing Since Jan 31Pushed 1mo ago9 watchersCompare [ Source](https://github.com/phel-lang/phel-lang)[ Packagist](https://packagist.org/packages/phel-lang/phel-lang)[ Docs](https://phel-lang.org/)[ Fund](https://chemaclass.com/sponsor)[ RSS](/packages/phel-lang-phel-lang/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (10)Dependencies (24)Versions (85)Used By (9) [![Phel logo](logo_readme.svg)](logo_readme.svg) [ ![GitHub Build Status](https://github.com/phel-lang/phel-lang/workflows/CI/badge.svg) ](https://github.com/phel-lang/phel-lang/actions) [ ![Scrutinizer Code Quality](https://camo.githubusercontent.com/0a42574d39e1693642b76c3fcbd02cc4940b7d4a79f735531d80767602f02271/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f7068656c2d6c616e672f7068656c2d6c616e672f6261646765732f7175616c6974792d73636f72652e706e673f623d6d61696e) ](https://scrutinizer-ci.com/g/phel-lang/phel-lang/?branch=main) [ ![Scrutinizer Code Coverage](https://camo.githubusercontent.com/0f748044953379d57df32430e5539a032c69d5ce3f868c061b7abbae84c81c1b/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f7068656c2d6c616e672f7068656c2d6c616e672f6261646765732f636f7665726167652e706e673f623d6d61696e) ](https://scrutinizer-ci.com/g/phel-lang/phel-lang/?branch=main) [ ![Psalm Type-coverage Status](https://camo.githubusercontent.com/8ea7485a3e886ee8322e6aba025cd062ab119c01ad093684dd30ba27d4a7887a/68747470733a2f2f73686570686572642e6465762f6769746875622f7068656c2d6c616e672f7068656c2d6c616e672f636f7665726167652e737667) ](https://shepherd.dev/github/phel-lang/phel-lang) [ ![Ask DeepWiki](https://camo.githubusercontent.com/0f5ae213ac378635adeb5d7f13cef055ad2f7d9a47b36de7b1c67dbe09f609ca/68747470733a2f2f6465657077696b692e636f6d2f62616467652e737667) ](https://deepwiki.com/phel-lang/phel-lang) --- Phel is a functional, [Lisp](https://en.wikipedia.org/wiki/Lisp_(programming_language))-inspired programming language that compiles to PHP. It brings the expressive power of [Clojure](https://clojure.org/) and the simplicity of [Janet](https://janet-lang.org/) to the PHP ecosystem — enabling you to write concise, immutable, and composable code that runs anywhere PHP does. #### Example [](#example) ``` ; Define a namespace (ns my\example) ; Define a variable with name "my-name" and value "world" (def my-name "world") ; Define a function with name "print-name" and one argument "your-name" (defn print-name [your-name] (print "hello" your-name)) ; Call the function (print-name my-name) ``` Documentation ------------- [](#documentation) ### Getting Started [](#getting-started) - [Quick Start Tutorial](docs/quickstart.md)Get up and running in 5 minutes with your first Phel application. - [Installation](https://phel-lang.org/documentation/getting-started/)Detailed installation guide and project setup. ### Learning Resources [](#learning-resources) - [Common Patterns](docs/patterns.md)Idiomatic Phel code patterns for everyday tasks. - [PHP/Phel Interop](docs/php-interop.md)Complete guide to working between PHP and Phel code. - [Reader Shortcuts](docs/reader-shortcuts.md)Reference for all special syntax and reader macros. - [Lazy Sequences](docs/lazy-sequences.md)Performance patterns and common pitfalls. - [Mocking Guide](docs/mocking-guide.md)Testing with mocks and test doubles. - [Examples](docs/examples/README.md)Runnable code samples covering key features. ### Reference [](#reference) - [Website](https://phel-lang.org)Official website with tutorials, exercises, and blog posts. - [Packagist](https://packagist.org/packages/phel-lang/phel-lang)Official PHP package repository. - [Internals](docs/internals/compiler.md)Deep dive into the compiler architecture. Build PHAR ---------- [](#build-phar) Run the following command to create a standalone PHAR executable: ``` ./build/phar.sh ``` The generated `build/out/phel.phar` can then be executed directly. Contribute ---------- [](#contribute) Please refer to [CONTRIBUTING.md](https://github.com/phel-lang/phel-lang/blob/main/.github/CONTRIBUTING.md) for information on how to contribute to Phel. For a quick overview of project layout, tooling, and review expectations, visit the [Repository Guidelines](AGENTS.md). ### Health Score 63 — FairBetter than 99% of packages Maintenance91 Actively maintained with recent releases Popularity42 Moderate usage in the ecosystem Community36 Small or concentrated contributor base Maturity73 Established project with proven stability Bus Factor1 Top contributor holds 68.4% 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 ~43 days Recently: every ~32 days Total 44 Last Release 49d ago PHP version history (5 changes)v0.1.0PHP >=7.4 v0.6.0PHP >=8.0 v0.8.0PHP >=8.0.2 v0.13.0PHP >=8.2 v0.19.0PHP >=8.3 ### Community Maintainers ![](https://www.gravatar.com/avatar/3d166420c6770c5941e10bd68b2d26501eabb432e280d8e6eba0a344bcc1e5ae?d=identicon)[Chemaclass](/maintainers/Chemaclass) ![](https://www.gravatar.com/avatar/95f5516d8a75725d151587359acd6914d0d35fc1b874334347ee80d726b291de?d=identicon)[jenshaase](/maintainers/jenshaase) --- Top Contributors [![Chemaclass](https://avatars.githubusercontent.com/u/5256287?v=4)](https://github.com/Chemaclass "Chemaclass (2357 commits)")[![jenshaase](https://avatars.githubusercontent.com/u/176220?v=4)](https://github.com/jenshaase "jenshaase (689 commits)")[![JesusValeraDev](https://avatars.githubusercontent.com/u/6381924?v=4)](https://github.com/JesusValeraDev "JesusValeraDev (245 commits)")[![jasalt](https://avatars.githubusercontent.com/u/2306521?v=4)](https://github.com/jasalt "jasalt (32 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (31 commits)")[![plaffitt](https://avatars.githubusercontent.com/u/23403270?v=4)](https://github.com/plaffitt "plaffitt (23 commits)")[![smeghead](https://avatars.githubusercontent.com/u/112476?v=4)](https://github.com/smeghead "smeghead (23 commits)")[![drupol](https://avatars.githubusercontent.com/u/252042?v=4)](https://github.com/drupol "drupol (10 commits)")[![SauronBot](https://avatars.githubusercontent.com/u/82400622?v=4)](https://github.com/SauronBot "SauronBot (7 commits)")[![cgrabenstein](https://avatars.githubusercontent.com/u/6358948?v=4)](https://github.com/cgrabenstein "cgrabenstein (6 commits)")[![antonio-gg-dev](https://avatars.githubusercontent.com/u/13595197?v=4)](https://github.com/antonio-gg-dev "antonio-gg-dev (5 commits)")[![t-matsudate](https://avatars.githubusercontent.com/u/41981585?v=4)](https://github.com/t-matsudate "t-matsudate (3 commits)")[![lhsazevedo](https://avatars.githubusercontent.com/u/7695608?v=4)](https://github.com/lhsazevedo "lhsazevedo (3 commits)")[![geoffreyvanwyk](https://avatars.githubusercontent.com/u/194185?v=4)](https://github.com/geoffreyvanwyk "geoffreyvanwyk (3 commits)")[![dominikb](https://avatars.githubusercontent.com/u/28777818?v=4)](https://github.com/dominikb "dominikb (3 commits)")[![aszenz](https://avatars.githubusercontent.com/u/25319264?v=4)](https://github.com/aszenz "aszenz (2 commits)")[![kambo-1st](https://avatars.githubusercontent.com/u/6493048?v=4)](https://github.com/kambo-1st "kambo-1st (2 commits)")[![p810](https://avatars.githubusercontent.com/u/3998736?v=4)](https://github.com/p810 "p810 (2 commits)")[![peeley](https://avatars.githubusercontent.com/u/30942198?v=4)](https://github.com/peeley "peeley (1 commits)") --- Tags clojurecompilerdslfunctional-programmingimmutabilitylanguagelispmacrosphelphel-langphpphp-developerphp-langprogramming-languagerepls-expressionschemetranspilerlanguagefunctionallispphel ### Code Quality TestsPHPUnit Static AnalysisPHPStan, Psalm, Rector Code StylePHP CS Fixer Type Coverage Yes ### Embed Badge ![Health badge](/badges/phel-lang-phel-lang/health.svg) ``` [![Health](https://phpackages.com/badges/phel-lang-phel-lang/health.svg)](https://phpackages.com/packages/phel-lang-phel-lang) ``` ### Alternatives [phpoption/phpoption Option Type for PHP 2.7k541.2M159](/packages/phpoption-phpoption)[lstrojny/functional-php Functional primitives for PHP 2.0k7.3M48](/packages/lstrojny-functional-php)[nikic/iter Iteration primitives using generators 1.1k5.9M38](/packages/nikic-iter)[patrickschur/language-detection A language detection library for PHP. 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