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Example code of hollyphat/event-bus

Informations about the package event-bus

hollyphat/event-bus

Shared Redis Streams event bus for distributed Laravel applications.

One stream (name configurable, defaults to events). Each backend runs events:consume with its own consumer group. Every group sees every message; each app only handles events it registered. Data-sync catalogs are added later in those apps — this package is only the transport.

Install

Env (same Redis for all apps)

Per-app REDIS_PREFIX would hide keys from each other. This package uses connection events with an empty prefix.

PLATFORM_EVENTS_SOURCE and PLATFORM_EVENTS_GROUP should be set to a unique name per app (e.g. its own slug). GROUP must match the send($target, ...) name other services use.

PLATFORM_EVENTS_STREAM names the Redis stream all apps share — every app talking to each other must set it to the same value. It defaults to events; set it explicitly if you want a project-specific name (e.g. myapp:events).

Leave PLATFORM_EVENTS_ENABLED=false until a sync plan is implemented. sendAndWait throws if publishing is off; broadcast / send no-op.

Receive — $listen on this backend only

This map is not global. It is “events this process should run.” Other backends have their own provider. Add a row when this app should handle a new event.

Register the provider in bootstrap/providers.php. Each handler implements Hollyphat\EventBus\Contracts\HandlesEvent:

Worker:

Supervisor (next to queue:work):

Directed messages (targets: ["app-b"]) are skipped by other groups. Broadcast (targets: ["*"]) is offered to every group; only registered listeners run.

Publish

Do not call sendAndWait inside the consume process that must answer that command (deadlock). The worker is a separate process.

Envelope

targets: ["*"] = broadcast. Redis 6.2+ (XAUTOCLAIM). Failed handlers are not ACK’d so another consumer can claim them.

Tests

No live Redis required (stream client is faked).

All versions of event-bus with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
illuminate/console Version ^12.0
illuminate/contracts Version ^12.0
illuminate/redis Version ^12.0
illuminate/support Version ^12.0
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