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[Utility & Helpers](/categories/utility) 4. / 5. prolic/fpp ActiveLibrary[Utility & Helpers](/categories/utility) prolic/fpp ========== Functional PHP Preprocessor v0.1.0(6y ago)28695.1k26[4 issues](https://github.com/prolic/fpp/issues)[1 PRs](https://github.com/prolic/fpp/pulls)BSD-3-ClausePHPPHP ^7.1 Since Apr 10Pushed 3y ago14 watchersCompare [ Source](https://github.com/prolic/fpp)[ Packagist](https://packagist.org/packages/prolic/fpp)[ Patreon](https://www.patreon.com/prolic)[ RSS](/packages/prolic-fpp/feed)WikiDiscussions master Synced 3w ago READMEChangelogDependencies (5)Versions (4)Used By (0) FPP === [](#fpp) Functional PHP Preprocessor - Immutable data type generator ----------------------------------------------------------- [](#functional-php-preprocessor---immutable-data-type-generator) This library can generate immutable data types based on fpp definitions. The syntax is inspired by Haskell. [![Build Status](https://camo.githubusercontent.com/744545e52d990329850e9318243fec6df91cea8ef44e3dbfdd6b3fa3535b9e7a/68747470733a2f2f7472617669732d63692e6f72672f70726f6c69632f6670702e7376673f6272616e63683d6d6173746572)](https://travis-ci.org/prolic/fpp)[![Coverage Status](https://camo.githubusercontent.com/1f4e6c98e47864e808ff92c04ae64caed91e36366db57167f51c8a70faa83ef0/68747470733a2f2f636f766572616c6c732e696f2f7265706f732f6769746875622f70726f6c69632f6670702f62616467652e7376673f6272616e63683d6d6173746572)](https://coveralls.io/github/prolic/fpp?branch=master) Sponsor ------- [](#sponsor) If you want to support my work, become a patron at [patreon.com/prolic](https://www.patreon.com/notifications). Credits ------- [](#credits) [Marcello Duarte](https://github.com/MarcelloDuarte/) created the [ParserCombinators](https://github.com/MarcelloDuarte/ParserCombinators/) project in 2017. The rewrite of this library is heavily inspired by it and reuses some of its base functions. Docs ---- [](#docs) [See the docs here](https://github.com/prolic/fpp/tree/master/docs/Home.md) Install ------- [](#install) ``` composer require prolic/fpp dev-master ``` Usage ----- [](#usage) Disable xdebug or increase xdebug.max\_nesting\_level in your php.ini file. ``` php vendor/bin/fpp.php ``` Generate configuration ---------------------- [](#generate-configuration) ``` php vendor/bin/fpp.php --gen-config ``` You can then modify the config file to adjust to your needs. Changes from 0.1.0 Release -------------------------- [](#changes-from-010-release) This library has been rewritten from scratch. If you want to use the old version, pin your composer requirement to 0.1.0. The master branch is not compatible at all. ### Health Score 35 — LowBetter than 77% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity45 Moderate usage in the ecosystem Community27 Small or concentrated contributor base Maturity43 Maturing project, gaining track record Bus Factor1 Top contributor holds 81.5% 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 ~0 days Total 2 Last Release 2264d ago ### Community Maintainers ![](https://avatars.githubusercontent.com/u/394428?v=4)[Sascha-Oliver Prolić](/maintainers/prolic)[@prolic](https://github.com/prolic) --- Top Contributors [![prolic](https://avatars.githubusercontent.com/u/394428?v=4)](https://github.com/prolic "prolic (495 commits)")[![gquemener](https://avatars.githubusercontent.com/u/668604?v=4)](https://github.com/gquemener "gquemener (56 commits)")[![paales](https://avatars.githubusercontent.com/u/1244416?v=4)](https://github.com/paales "paales (23 commits)")[![darrylhein](https://avatars.githubusercontent.com/u/376976?v=4)](https://github.com/darrylhein "darrylhein (7 commits)")[![Lctrs](https://avatars.githubusercontent.com/u/5477973?v=4)](https://github.com/Lctrs "Lctrs (4 commits)")[![dependabot-preview[bot]](https://avatars.githubusercontent.com/in/2141?v=4)](https://github.com/dependabot-preview[bot] "dependabot-preview[bot] (4 commits)")[![SimonPrins](https://avatars.githubusercontent.com/u/6427655?v=4)](https://github.com/SimonPrins "SimonPrins (4 commits)")[![cwoskoski](https://avatars.githubusercontent.com/u/7571576?v=4)](https://github.com/cwoskoski "cwoskoski (3 commits)")[![simensen](https://avatars.githubusercontent.com/u/191200?v=4)](https://github.com/simensen "simensen (2 commits)")[![unixslayer](https://avatars.githubusercontent.com/u/1131246?v=4)](https://github.com/unixslayer "unixslayer (1 commits)")[![ambersariya](https://avatars.githubusercontent.com/u/1080238?v=4)](https://github.com/ambersariya "ambersariya (1 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (1 commits)")[![jeromegamez](https://avatars.githubusercontent.com/u/67554?v=4)](https://github.com/jeromegamez "jeromegamez (1 commits)")[![lunetics](https://avatars.githubusercontent.com/u/149752?v=4)](https://github.com/lunetics "lunetics (1 commits)")[![notFloran](https://avatars.githubusercontent.com/u/523981?v=4)](https://github.com/notFloran "notFloran (1 commits)")[![Sevavietl](https://avatars.githubusercontent.com/u/1844827?v=4)](https://github.com/Sevavietl "Sevavietl (1 commits)")[![sgomez](https://avatars.githubusercontent.com/u/580701?v=4)](https://github.com/sgomez "sgomez (1 commits)")[![Adirelle](https://avatars.githubusercontent.com/u/24633?v=4)](https://github.com/Adirelle "Adirelle (1 commits)") --- Tags code-generationcode-generatordatatypesdddenumfunctionalimmutablephpprooph ### Code Quality TestsPHPUnit Static AnalysisPHPStan Type Coverage Yes ### Embed Badge ![Health badge](/badges/prolic-fpp/health.svg) ``` [![Health](https://phpackages.com/badges/prolic-fpp/health.svg)](https://phpackages.com/packages/prolic-fpp) ``` PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)