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[Utility & Helpers](/categories/utility) 4. / 5. symfony/event-dispatcher ActiveLibrary[Utility & Helpers](/categories/utility) symfony/event-dispatcher ======================== Provides tools that allow your application components to communicate with each other by dispatching events and listening to them v8.0.4(4mo ago)8.5k985.9M—6.2%6620MITPHPPHP >=8.4 Since Sep 26Pushed 1w ago19 watchersCompare [ Source](https://github.com/symfony/event-dispatcher)[ Packagist](https://packagist.org/packages/symfony/event-dispatcher)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-event-dispatcher/feed)WikiDiscussions 8.1 Synced 1mo ago READMEChangelog (10)Dependencies (10)Versions (632)Used By (20) EventDispatcher Component ========================= [](#eventdispatcher-component) The EventDispatcher component provides tools that allow your application components to communicate with each other by dispatching events and listening to them. Resources --------- [](#resources) - [Documentation](https://symfony.com/doc/current/components/event_dispatcher.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 87 — ExcellentBetter than 100% of packages Maintenance88 Actively maintained with recent releases Popularity85 Widely adopted with strong download metrics Community60 Healthy contributor diversity Maturity100 Battle-tested with a long release history Bus Factor2 2 contributors hold 50%+ of commits 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 ~8 days Recently: every ~2 days Total 632 Last Release 124d ago Major Versions v6.4.25 → v7.3.32025-08-13 v7.4.0-BETA1 → v8.0.0-BETA12025-10-06 v7.4.0 → v8.0.02025-10-30 v6.4.32 → v7.3.102026-01-05 v7.4.4 → 8.0.x-dev2026-01-05 PHP version history (14 changes)2.0.4PHP >=5.3.2 v2.1.0PHP >=5.3.3 v2.7.0-BETA1PHP >=5.3.9 v3.0.0-BETA1PHP >=5.5.9 v3.3.8PHP ^5.5.9|>=7.0.8 v4.0.0-BETA1PHP ^7.1.3 v5.0.0-BETA1PHP ^7.2.9 v5.0.2PHP ^7.2.5 v4.4.9PHP >=7.1.3 v5.0.9PHP >=7.2.5 v6.0.0-BETA1PHP >=8.0.2 v6.1.0-BETA1PHP >=8.1 v7.0.0PHP >=8.2 v8.0.0-BETA1PHP >=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 (450 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (404 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (65 commits)")[![xabbuh](https://avatars.githubusercontent.com/u/1957048?v=4)](https://github.com/xabbuh "xabbuh (46 commits)")[![Tobion](https://avatars.githubusercontent.com/u/610090?v=4)](https://github.com/Tobion "Tobion (14 commits)")[![Seldaek](https://avatars.githubusercontent.com/u/183678?v=4)](https://github.com/Seldaek "Seldaek (13 commits)")[![jderusse](https://avatars.githubusercontent.com/u/578547?v=4)](https://github.com/jderusse "jderusse (9 commits)")[![chalasr](https://avatars.githubusercontent.com/u/7502063?v=4)](https://github.com/chalasr "chalasr (8 commits)")[![OskarStark](https://avatars.githubusercontent.com/u/995707?v=4)](https://github.com/OskarStark "OskarStark (6 commits)")[![ro0NL](https://avatars.githubusercontent.com/u/1047696?v=4)](https://github.com/ro0NL "ro0NL (6 commits)")[![keradus](https://avatars.githubusercontent.com/u/2716794?v=4)](https://github.com/keradus "keradus (5 commits)")[![GrahamCampbell](https://avatars.githubusercontent.com/u/2829600?v=4)](https://github.com/GrahamCampbell "GrahamCampbell (4 commits)")[![lyrixx](https://avatars.githubusercontent.com/u/408368?v=4)](https://github.com/lyrixx "lyrixx (4 commits)")[![dosten](https://avatars.githubusercontent.com/u/510842?v=4)](https://github.com/dosten "dosten (4 commits)")[![tigitz](https://avatars.githubusercontent.com/u/1524501?v=4)](https://github.com/tigitz "tigitz (4 commits)")[![dmaicher](https://avatars.githubusercontent.com/u/921145?v=4)](https://github.com/dmaicher "dmaicher (3 commits)")[![dunglas](https://avatars.githubusercontent.com/u/57224?v=4)](https://github.com/dunglas "dunglas (3 commits)")[![fancyweb](https://avatars.githubusercontent.com/u/3658119?v=4)](https://github.com/fancyweb "fancyweb (3 commits)")[![hason](https://avatars.githubusercontent.com/u/288535?v=4)](https://github.com/hason "hason (3 commits)")[![igorw](https://avatars.githubusercontent.com/u/88061?v=4)](https://github.com/igorw "igorw (3 commits)") --- Tags componentphpsymfonysymfony-component ### Embed Badge ![Health badge](/badges/symfony-event-dispatcher/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-event-dispatcher/health.svg)](https://phpackages.com/packages/symfony-event-dispatcher) ``` ### Alternatives [knplabs/knp-components Knplabs component library 77443.6M46](/packages/knplabs-knp-components)[zerodahero/laravel-workflow Integerate Symfony Workflow component into Laravel. 204815.2k4](/packages/zerodahero-laravel-workflow)[codefog/contao-haste haste extension for Contao Open Source CMS 42650.8k139](/packages/codefog-contao-haste)[sylius-labs/polyfill-symfony-event-dispatcher Symfony EventDispatcher Polyfill 218.2M2](/packages/sylius-labs-polyfill-symfony-event-dispatcher)[sulu/form-bundle Bundle for creating forms in Sulu. 87287.3k7](/packages/sulu-form-bundle)[terminal42/contao-leads Leads extension for Contao Open Source CMS; Store and manage form data with ease! 41167.9k10](/packages/terminal42-contao-leads) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)