PHPackages vimeo/psalm - PHPackages - PHPackages [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register) 1. [Directory](/) 2. / 3. [Testing & Quality](/categories/testing) 4. / 5. vimeo/psalm ActiveProject[Testing & Quality](/categories/testing) vimeo/psalm =========== A static analysis tool for finding errors in PHP applications 6.16.1(2mo ago)5.8k77.5M—5.7%698[1.9k issues](https://github.com/vimeo/psalm/issues)[135 PRs](https://github.com/vimeo/psalm/pulls)20MITPHPPHP ~8.1.31 || ~8.2.27 || ~8.3.16 || ~8.4.3 || ~8.5.0CI passing Since Nov 21Pushed 3d ago53 watchersCompare [ Source](https://github.com/vimeo/psalm)[ Packagist](https://packagist.org/packages/vimeo/psalm)[ RSS](/packages/vimeo-psalm/feed)WikiDiscussions 6.x Synced 1mo ago READMEChangelog (10)Dependencies (64)Versions (519)Used By (20) Psalm ===== [](#psalm) [![Packagist](https://camo.githubusercontent.com/ae7cfedaa3fa4a20e1489de5bf35db2ad0cccbf22da188048586dbeb7cc154c8/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f76696d656f2f7073616c6d2e737667)](https://packagist.org/packages/vimeo/psalm)[![Packagist](https://camo.githubusercontent.com/70854dc4269d04de2e28ee42e0d04e1687ced7a61034e9938a4d08473e2634b6/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f76696d656f2f7073616c6d2e737667)](https://packagist.org/packages/vimeo/psalm)[![Psalm coverage](https://camo.githubusercontent.com/162e3178b78189e239c52f24eb2d55ae339ead069eb12b45124330c7cae2f198/68747470733a2f2f73686570686572642e6465762f6769746875622f76696d656f2f7073616c6d2f636f7665726167652e7376673f)](https://shepherd.dev/github/vimeo/psalm)[![Psalm level](https://camo.githubusercontent.com/05c25009648b3dbb41246860da81105f71ef6eefbbdb3623254eae8db777e013/68747470733a2f2f73686570686572642e6465762f6769746875622f76696d656f2f7073616c6d2f6c6576656c2e7376673f)](https://psalm.dev/) Psalm is a static analysis tool for finding errors in PHP applications. [Join the official Psalm news channel](https://t.me/psalmphp) and the [Psalm community](https://t.me/psalmphp_community)! Installation ------------ [](#installation) To get started, check out the [installation guide](docs/running_psalm/installation.md). Live Demo --------- [](#live-demo) You can play around with Psalm [on its website](https://psalm.dev/). Documentation ------------- [](#documentation) Documentation is available on [Psalm’s website](https://psalm.dev/docs), generated from the [docs](https://github.com/vimeo/psalm/blob/master/docs) folder. Support Psalm development ------------------------- [](#support-psalm-development) You can support Psalm development by requesting a support contract from [Daniil Gentili](https://daniil.it), the only active maintainer of Psalm. Support contracts can cover full integration of Psalm into existing codebases, support for Psalm issues and development of additional Psalm features. See [here »](https://daniil.it) for info, pricing and contact information. Interested in contributing? --------------------------- [](#interested-in-contributing) Have a look at [CONTRIBUTING.md](CONTRIBUTING.md). Who made this ------------- [](#who-made-this) Built by Matt Brown ([@muglug](https://github.com/muglug)). Maintained by Daniil Gentili ([@danog](https://github.com/danog)). Former maintainers: Orklah ([@orklah](https://github.com/orklah)) and Bruce Weirdan ([@weirdan](https://github.com/weirdan)). The engineering team at [Vimeo](https://github.com/vimeo) have provided a lot encouragement, especially [@nbeliard](https://github.com/nbeliard), [@erunion](https://github.com/erunion) and [@nickyr](https://github.com/nickyr). ### Health Score 87 — ExcellentBetter than 100% of packages Maintenance88 Actively maintained with recent releases Popularity83 Widely adopted with strong download metrics Community70 Healthy contributor diversity Maturity100 Battle-tested with a long release history Bus Factor1 Top contributor holds 53.8% 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 ~7 days Total 494 Last Release 53d ago Major Versions 6.14.0 → 7.0.0-beta122025-12-08 6.14.1 → 7.0.0-beta132025-12-10 6.14.3 → 7.0.0-beta142025-12-23 6.15.1 → 7.0.0-beta152026-02-19 6.16.0 → 7.0.0-beta172026-03-17 PHP version history (18 changes)0.1PHP >=5.4 0.3.0PHP >=5.5 0.3.15PHP ^5.5 || ^7.0 0.2.17PHP ^5.4 || ^7.0 0.3.40PHP ^5.6 || ^7.0 2.0.0PHP ^7.0 1.1.5PHP ^5.6||^7.0 3.3.0PHP ^7.1 3.5.2PHP ^7.1.3 3.8.4PHP ^7.1.3|^8 4.0.0-beta1PHP ^7.3|^8 4.1.0PHP ^7.1|^8 5.0.0-alpha1PHP ^7.4 || ~8.0.0 || ~8.1.0 5.0.0PHP ^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0 5.14.0PHP ^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 6.0.0PHP ~8.1.17 || ~8.2.4 || ~8.3.0 || ~8.4.0 6.5.1PHP ~8.1.31 || ~8.2.27 || ~8.3.16 || ~8.4.3 6.14.0PHP ~8.1.31 || ~8.2.27 || ~8.3.16 || ~8.4.3 || ~8.5.0 ### Community Maintainers ![](https://www.gravatar.com/avatar/a1d113cc4b130d352d113ac3c5dcfd8c26600e3ff91cb11c56af287e226a9df4?d=identicon)[jakeoliver](/maintainers/jakeoliver) ![](https://www.gravatar.com/avatar/37a992956f2ceb043547091360fe71dacdd2b227d5450e7022b2a53660ba4e44?d=identicon)[muglug](/maintainers/muglug) ![](https://www.gravatar.com/avatar/819d5d9fe8f78d00cc5dd7972cbb9e4f049c9bff7186e0e401f3191b3f137885?d=identicon)[weirdan](/maintainers/weirdan) ![](https://www.gravatar.com/avatar/e260f2252ede6d70aea471f0c0e0b0cf81f48c2edc3b22ff08abe1a74316fcca?d=identicon)[orklah](/maintainers/orklah) --- Top Contributors [![muglug](https://avatars.githubusercontent.com/u/2292638?v=4)](https://github.com/muglug "muglug (7438 commits)")[![orklah](https://avatars.githubusercontent.com/u/9605520?v=4)](https://github.com/orklah "orklah (1926 commits)")[![weirdan](https://avatars.githubusercontent.com/u/57403?v=4)](https://github.com/weirdan "weirdan (1418 commits)")[![danog](https://avatars.githubusercontent.com/u/7339644?v=4)](https://github.com/danog "danog (1218 commits)")[![kkmuffme](https://avatars.githubusercontent.com/u/11071985?v=4)](https://github.com/kkmuffme "kkmuffme (304 commits)")[![AndrolGenhald](https://avatars.githubusercontent.com/u/7794502?v=4)](https://github.com/AndrolGenhald "AndrolGenhald (154 commits)")[![alies-dev](https://avatars.githubusercontent.com/u/5278175?v=4)](https://github.com/alies-dev "alies-dev (127 commits)")[![tm1000](https://avatars.githubusercontent.com/u/564256?v=4)](https://github.com/tm1000 "tm1000 (117 commits)")[![boesing](https://avatars.githubusercontent.com/u/2189546?v=4)](https://github.com/boesing "boesing (100 commits)")[![robchett](https://avatars.githubusercontent.com/u/5231691?v=4)](https://github.com/robchett "robchett (97 commits)")[![klimick](https://avatars.githubusercontent.com/u/34217190?v=4)](https://github.com/klimick "klimick (94 commits)")[![TysonAndre](https://avatars.githubusercontent.com/u/1904430?v=4)](https://github.com/TysonAndre "TysonAndre (85 commits)")[![bdsl](https://avatars.githubusercontent.com/u/159481?v=4)](https://github.com/bdsl "bdsl (77 commits)")[![VincentLanglet](https://avatars.githubusercontent.com/u/9052536?v=4)](https://github.com/VincentLanglet "VincentLanglet (74 commits)")[![othercorey](https://avatars.githubusercontent.com/u/24221186?v=4)](https://github.com/othercorey "othercorey (59 commits)")[![SignpostMarv](https://avatars.githubusercontent.com/u/304403?v=4)](https://github.com/SignpostMarv "SignpostMarv (51 commits)")[![Ocramius](https://avatars.githubusercontent.com/u/154256?v=4)](https://github.com/Ocramius "Ocramius (44 commits)")[![bugreportuser](https://avatars.githubusercontent.com/u/37939393?v=4)](https://github.com/bugreportuser "bugreportuser (44 commits)")[![issidorov](https://avatars.githubusercontent.com/u/25592330?v=4)](https://github.com/issidorov "issidorov (43 commits)")[![fluffycondor](https://avatars.githubusercontent.com/u/62219548?v=4)](https://github.com/fluffycondor "fluffycondor (42 commits)") --- Tags hacktoberfestphpsecurity-analysisstatic-analysistaint-analysistype-inferencephpstatic analysiscodeinspection ### Code Quality TestsPHPUnit Code StylePHP\_CodeSniffer ### Embed Badge ![Health badge](/badges/vimeo-psalm/health.svg) ``` [![Health](https://phpackages.com/badges/vimeo-psalm/health.svg)](https://phpackages.com/packages/vimeo-psalm) ``` ### Alternatives [phan/phan A static analyzer for PHP 5.6k11.2M1.1k](/packages/phan-phan)[infection/infection Infection is a Mutation Testing framework for PHP. The mutation adequacy score can be used to measure the effectiveness of a test set in terms of its ability to detect faults. 2.2k26.2M1.8k](/packages/infection-infection)[behat/behat Scenario-oriented BDD framework for PHP 4.0k96.8M2.0k](/packages/behat-behat)[friendsofphp/php-cs-fixer A tool to automatically fix PHP code style 13.5k234.7M20.6k](/packages/friendsofphp-php-cs-fixer)[drupal/core Drupal is an open source content management platform powering millions of websites and applications. 19562.3M1.3k](/packages/drupal-core)[maglnet/composer-require-checker CLI tool to analyze composer dependencies and verify that no unknown symbols are used in the sources of a package 99810.9M671](/packages/maglnet-composer-require-checker) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)