# laminas/laminas-eventmanager

Trigger and listen to events within a PHP application

Repository: https://github.com/laminas/laminas-eventmanager
Canonical: https://ross.abutalabs.com/products/laminas-eventmanager
Homepage: https://docs.laminas.dev/laminas-eventmanager/
Language: PHP
License: BSD-3-Clause
License Family: permissive
Topics: events, event-management
Last push: 2026-08-31T04:56:37+00:00

## Health v2 (maintenance only)
Score: 73/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 100, release rhythm 22, longevity 100
- inputs: {"age_days": 2437, "days_push": 2, "days_rel": 306, "gap_med": 343, "n_releases_24m": 2}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1016, forks 19 (observed 2026-09-01T02:14:03.599916+00:00)

## What it is
A PHP library for implementing event-driven architectures, providing event triggering and listener attachment. It supports subject/observer patterns, aspect-oriented designs, and shared event collections.

## Use cases
- implement pub/sub event system in PHP
- attach listeners to named events
- build event-driven architecture
- implement observer pattern
- implement aspect-oriented designs
- trigger and intercept events
- share event listeners across instances

## When to choose
- you need a mature, well-tested event manager for PHP
- you're building Laminas or Mezzio applications
- you want wildcard listeners or lazy listener aggregates
- you need interruptible event listener execution

## When to avoid
- you're using a framework with a built-in event system like Symfony's EventDispatcher
- you need async or queue-based event processing
- your project is not PHP

## Facets
- artifact type: library
- maturity: stable
- function: middleware, developer-tools
- domain: web-development, backend, developer-tools
- platform: php
- tags: event-driven, observer-pattern, signal-slots, pubsub, laminas

## Member repositories
- laminas/laminas-eventmanager (main) score 73

## Provenance
- Observed fields: from GitHub, fetched 2026-09-01T02:14:03.599916+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T07:11:19.356293+00:00, confidence not recorded.
  - readme: https://github.com/laminas/laminas-eventmanager (fetched 2026-09-01T02:14:03.599916+00:00, sha a11e3e72552e)
  - homepage: https://docs.laminas.dev/laminas-eventmanager/ (fetched 2026-08-29T13:10:17.309802+00:00, sha 2992f1dd224d)
  - site_page: https://docs.laminas.dev/ (fetched 2026-08-29T13:10:17.318888+00:00, sha e65b2de0cace)
- Data as of 2026-08-30T08:39:29.467469+00:00.