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[Utility & Helpers](/categories/utility) 4. / 5. symfony/semaphore ActiveLibrary[Utility & Helpers](/categories/utility) symfony/semaphore ================= Symfony Semaphore Component v8.0.4(4mo ago)373.9M—6.9%14MITPHPPHP >=8.4 Since Aug 31Pushed 1mo ago4 watchersCompare [ Source](https://github.com/symfony/semaphore)[ Packagist](https://packagist.org/packages/symfony/semaphore)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-semaphore/feed)WikiDiscussions 8.1 Synced 1mo ago READMEChangelog (10)Dependencies (2)Versions (111)Used By (4) Semaphore Component =================== [](#semaphore-component) The Semaphore Component manages [semaphores](https://en.wikipedia.org/wiki/Semaphore_(programming)), a mechanism to provide exclusive access to a shared resource. Resources --------- [](#resources) - [Documentation](https://symfony.com/doc/current/components/semaphore.html) - [Contributing](https://symfony.com/doc/current/contributing/index.html) - [Report issues](https://github.com/symfony/symfony/issues) and [send Pull Requests](https://github.com/symfony/symfony/pulls)in the [main Symfony repository](https://github.com/symfony/symfony) ### Health Score 68 — FairBetter than 100% of packages Maintenance84 Actively maintained with recent releases Popularity52 Moderate usage in the ecosystem Community29 Small or concentrated contributor base Maturity89 Battle-tested with a long release history Bus Factor1 Top contributor holds 50.6% 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 ~18 days Recently: every ~10 days Total 111 Last Release 97d ago Major Versions v6.4.26 → v7.3.42025-09-11 v6.4.30 → v7.3.82025-11-29 v7.4.1 → v8.0.12025-12-01 6.4.x-dev → 7.3.x-dev2026-01-01 v7.4.4 → 8.0.x-dev2026-01-01 PHP version history (6 changes)v5.2.0-BETA1PHP ^7.2.5 v5.2.0PHP >=7.2.5 v6.0.0PHP >=8.0.2 v6.1.0PHP >=8.1 v7.0.0-BETA1PHP >=8.2 v8.0.0PHP >=8.4 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/47313?v=4)[Fabien Potencier](/maintainers/fabpot)[@fabpot](https://github.com/fabpot) --- Top Contributors [![nicolas-grekas](https://avatars.githubusercontent.com/u/243674?v=4)](https://github.com/nicolas-grekas "nicolas-grekas (84 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (21 commits)")[![xabbuh](https://avatars.githubusercontent.com/u/1957048?v=4)](https://github.com/xabbuh "xabbuh (16 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (7 commits)")[![jderusse](https://avatars.githubusercontent.com/u/578547?v=4)](https://github.com/jderusse "jderusse (7 commits)")[![fancyweb](https://avatars.githubusercontent.com/u/3658119?v=4)](https://github.com/fancyweb "fancyweb (3 commits)")[![wouterj](https://avatars.githubusercontent.com/u/749025?v=4)](https://github.com/wouterj "wouterj (3 commits)")[![lyrixx](https://avatars.githubusercontent.com/u/408368?v=4)](https://github.com/lyrixx "lyrixx (3 commits)")[![keradus](https://avatars.githubusercontent.com/u/2716794?v=4)](https://github.com/keradus "keradus (2 commits)")[![mfettig](https://avatars.githubusercontent.com/u/6911740?v=4)](https://github.com/mfettig "mfettig (2 commits)")[![stof](https://avatars.githubusercontent.com/u/439401?v=4)](https://github.com/stof "stof (2 commits)")[![IonBazan](https://avatars.githubusercontent.com/u/1985514?v=4)](https://github.com/IonBazan "IonBazan (1 commits)")[![digilist](https://avatars.githubusercontent.com/u/833667?v=4)](https://github.com/digilist "digilist (1 commits)")[![alexander-schranz](https://avatars.githubusercontent.com/u/1698337?v=4)](https://github.com/alexander-schranz "alexander-schranz (1 commits)")[![deguif](https://avatars.githubusercontent.com/u/993399?v=4)](https://github.com/deguif "deguif (1 commits)")[![chalasr](https://avatars.githubusercontent.com/u/7502063?v=4)](https://github.com/chalasr "chalasr (1 commits)")[![mvorisek](https://avatars.githubusercontent.com/u/2228672?v=4)](https://github.com/mvorisek "mvorisek (1 commits)")[![clegginabox](https://avatars.githubusercontent.com/u/2412400?v=4)](https://github.com/clegginabox "clegginabox (1 commits)")[![OskarStark](https://avatars.githubusercontent.com/u/995707?v=4)](https://github.com/OskarStark "OskarStark (1 commits)")[![ostrolucky](https://avatars.githubusercontent.com/u/496233?v=4)](https://github.com/ostrolucky "ostrolucky (1 commits)") --- Tags componentphpsemaphoresymfonysymfony-componentsemaphore ### Embed Badge ![Health badge](/badges/symfony-semaphore/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-semaphore/health.svg)](https://phpackages.com/packages/symfony-semaphore) ``` ### Alternatives [symfony/lock Creates and manages locks, a mechanism to provide exclusive access to a shared resource 514127.6M459](/packages/symfony-lock)[civicrm/civicrm-core Open source constituent relationship management for non-profits, NGOs and advocacy organizations. 728272.9k20](/packages/civicrm-civicrm-core)[j0k3r/php-readability Automatic article extraction from HTML 186808.8k6](/packages/j0k3r-php-readability)[spomky-labs/pwa-bundle Progressive Web App Manifest Generator Bundle for Symfony. 6144.4k1](/packages/spomky-labs-pwa-bundle)[aedart/athenaeum Athenaeum is a mono repository; a collection of various PHP packages 245.2k](/packages/aedart-athenaeum)[zerkalica/semaphore This library provides an api for semaphore acquire and release 1119.0k1](/packages/zerkalica-semaphore) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)