symfony/event-dispatcher-contracts

Health v2 · maintenance only

Adoption not part of the score

3415 stars · 3 forks observed · 2026-09-30

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

A set of PHP interfaces and abstractions for event dispatching, extracted from the Symfony framework. It lets libraries and applications depend on stable, battle-tested contracts for dispatching and handling events without coupling to a concrete implementation.

Use cases

• decouple event dispatching from a concrete implementation
• type-hint against event dispatcher interfaces in a PHP library
• make a package interoperable with Symfony EventDispatcher
• define event subscriber contracts for third-party bundles
• swap event dispatcher implementations without changing consuming code

When to choose

• you are building a PHP library that should work with or without Symfony's concrete EventDispatcher
• you want stable interfaces for event dispatching to decouple components
• you are writing a Symfony bundle or component that must interoperate with the wider ecosystem

When to avoid

• you need an actual working event dispatcher implementation rather than just interfaces
• your project does not use PHP
• you want a framework-agnostic event system with its own semantics rather than Symfony's

Facets

library · maturity stable

middleware plugin-system developer-tools web-development backend developer-tools apis php event-dispatcher abstractions interfaces decoupling interoperability symfony-contracts psr-style

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