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[Framework](/categories/framework) 4. / 5. cakephp/event ActiveLibrary[Framework](/categories/framework) cakephp/event ============= CakePHP event dispatcher library that helps implementing the observer pattern 5.3.3(2mo ago)23319.7k↓24.7%310MITPHPPHP >=8.2 Since Nov 8Pushed 1mo ago26 watchersCompare [ Source](https://github.com/cakephp/event)[ Packagist](https://packagist.org/packages/cakephp/event)[ Docs](https://cakephp.org)[ RSS](/packages/cakephp-event/feed)WikiDiscussions 5.x Synced 1mo ago READMEChangelogDependencies (2)Versions (340)Used By (10) [![Total Downloads](https://camo.githubusercontent.com/ad031a788467d4952ba865e83ce78a3250c20cb1a8d7810c6a783ed7195ae9db/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f63616b657068702f6576656e742e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/cakephp/event)[![License](https://camo.githubusercontent.com/942e017bf0672002dd32a857c95d66f28c5900ab541838c6c664442516309c8a/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6963656e73652d4d49542d626c75652e7376673f7374796c653d666c61742d737175617265)](LICENSE.txt) CakePHP Event Library ===================== [](#cakephp-event-library) This library emulates several aspects of how events are triggered and managed in popular JavaScript libraries such as jQuery: An event object is dispatched to all listeners. The event object holds information about the event, and provides the ability to stop event propagation at any point. Listeners can register themselves or can delegate this task to other objects and have the chance to alter the state and the event itself for the rest of the callbacks. Usage ----- [](#usage) Listeners need to be registered into a manager and events can then be triggered so that listeners can be informed of the action. ``` use Cake\Event\Event; use Cake\Event\EventDispatcherTrait; class Orders { use EventDispatcherTrait; public function placeOrder($order) { $this->doStuff(); $event = new Event('Orders.afterPlace', $this, [ 'order' => $order ]); $this->getEventManager()->dispatch($event); } } $orders = new Orders(); $orders->getEventManager()->on(function ($event) { // Do something after the order was placed ... }, 'Orders.afterPlace'); $orders->placeOrder($order); ``` The above code allows you to easily notify the other parts of the application that an order has been created. You can then do tasks like send email notifications, update stock, log relevant statistics and other tasks in separate objects that focus on those concerns. Documentation ------------- [](#documentation) Please make sure you check the [official documentation](https://book.cakephp.org/5/en/core-libraries/events.html) ### Health Score 69 — FairBetter than 100% of packages Maintenance87 Actively maintained with recent releases Popularity45 Moderate usage in the ecosystem Community37 Small or concentrated contributor base Maturity95 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 ~12 days Total 333 Last Release 62d ago Major Versions 3.10.0 → 4.2.0-RC12020-11-01 3.x-dev → 4.4.02022-05-29 4.4.8 → 5.0.0-beta12022-11-30 4.6.3 → 5.0.02023-04-18 5.x-dev → 6.x-dev2026-03-17 PHP version history (7 changes)3.4.12PHP >=5.6.0 4.0.0-beta1PHP >=7.2.0 3.10.3PHP >=5.6.0,<8.0.0 4.4.0-RC2PHP >=7.4.0 5.0.0-beta1PHP >=8.1 5.3.0-RC2PHP >=8.2 6.x-devPHP >=8.4 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/23666?v=4)[CakePHP](/maintainers/cakephp)[@cakephp](https://github.com/cakephp) --- Top Contributors [![ADmad](https://avatars.githubusercontent.com/u/142658?v=4)](https://github.com/ADmad "ADmad (116 commits)")[![markstory](https://avatars.githubusercontent.com/u/24086?v=4)](https://github.com/markstory "markstory (106 commits)")[![dereuromark](https://avatars.githubusercontent.com/u/39854?v=4)](https://github.com/dereuromark "dereuromark (50 commits)")[![othercorey](https://avatars.githubusercontent.com/u/24221186?v=4)](https://github.com/othercorey "othercorey (43 commits)")[![lorenzo](https://avatars.githubusercontent.com/u/37621?v=4)](https://github.com/lorenzo "lorenzo (15 commits)")[![robertpustulka](https://avatars.githubusercontent.com/u/7437773?v=4)](https://github.com/robertpustulka "robertpustulka (11 commits)")[![ravage84](https://avatars.githubusercontent.com/u/625761?v=4)](https://github.com/ravage84 "ravage84 (11 commits)")[![LordSimal](https://avatars.githubusercontent.com/u/9105243?v=4)](https://github.com/LordSimal "LordSimal (9 commits)")[![bcrowe](https://avatars.githubusercontent.com/u/752603?v=4)](https://github.com/bcrowe "bcrowe (6 commits)")[![jeremyharris](https://avatars.githubusercontent.com/u/184903?v=4)](https://github.com/jeremyharris "jeremyharris (5 commits)")[![antograssiot](https://avatars.githubusercontent.com/u/4977112?v=4)](https://github.com/antograssiot "antograssiot (5 commits)")[![Harfusha](https://avatars.githubusercontent.com/u/47174548?v=4)](https://github.com/Harfusha "Harfusha (5 commits)")[![jeffblack360](https://avatars.githubusercontent.com/u/532851?v=4)](https://github.com/jeffblack360 "jeffblack360 (3 commits)")[![kalessil](https://avatars.githubusercontent.com/u/1577185?v=4)](https://github.com/kalessil "kalessil (2 commits)")[![chinpei215](https://avatars.githubusercontent.com/u/7399393?v=4)](https://github.com/chinpei215 "chinpei215 (2 commits)")[![saeideng](https://avatars.githubusercontent.com/u/8215801?v=4)](https://github.com/saeideng "saeideng (2 commits)")[![Theaxiom](https://avatars.githubusercontent.com/u/57013?v=4)](https://github.com/Theaxiom "Theaxiom (2 commits)")[![Iandenh](https://avatars.githubusercontent.com/u/2911923?v=4)](https://github.com/Iandenh "Iandenh (1 commits)")[![freefri](https://avatars.githubusercontent.com/u/2754631?v=4)](https://github.com/freefri "freefri (1 commits)")[![carusogabriel](https://avatars.githubusercontent.com/u/16328050?v=4)](https://github.com/carusogabriel "carusogabriel (1 commits)") --- Tags eventcakephpdispatcherobserver pattern ### Embed Badge ![Health badge](/badges/cakephp-event/health.svg) ``` [![Health](https://phpackages.com/badges/cakephp-event/health.svg)](https://phpackages.com/packages/cakephp-event) ``` ### Alternatives [composer/installers A multi-framework Composer library installer 1.4k136.0M6.0k](/packages/composer-installers)[cakephp/utility CakePHP Utility classes such as Inflector, String, Hash, and Security 12127.1M63](/packages/cakephp-utility)[cakephp/database Flexible and powerful Database abstraction library with a familiar PDO-like API 9824.6M33](/packages/cakephp-database)[cakephp/debug_kit CakePHP Debug Kit 86514.0M138](/packages/cakephp-debug-kit)[cakephp/datasource Provides connection managing and traits for Entities and Queries that can be reused for different datastores 4724.6M11](/packages/cakephp-datasource)[cakephp/cache Easy to use Caching library with support for multiple caching backends 498.5M16](/packages/cakephp-cache) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)