Symfony real time example with mercury protocol.
You can push notification on other client on page /rooms and edit created rooms on page /rooms/edit/{id}.
In first version you can't create rooms from app.
composer install
bin/console s:r
And go to rout: /rooms
JWT_KEY='myJWTKey' ADDR=':3000' DEMO=1 ALLOW_ANONYMOUS=1 CORS_ALLOWED_ORIGINS=* PUBLISH_ALLOWED_ORIGINS='http://localhost:3000' ./mercure