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symfony/mercure

symfony/mercure

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Last Updated: 2023-07-29 12:29:40

#mercure #live-updates #subscriptions #server-sent-events #symfony #php

The Mercure Component allows to easily push updates to web browsers and other HTTP clients using the Mercure protocol.

License: MIT License

Languages: PHP

https://symfony.com/doc/current/components/mercure.html

Mercure Component

Mercure is a protocol allowing to push data updates to web browsers and other HTTP clients in a convenient, fast, reliable and battery-efficient way. It is especially useful to publish real-time updates of resources served through web APIs, to reactive web and mobile apps.

The Mercure Component implements the "publisher" part of the Mercure Protocol.

Getting Started

$ composer require symfony/mercure

// change these values accordingly to your hub installation
define('HUB_URL', 'https://demo.mercure.rocks/.well-known/mercure');
define('JWT', 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJtZXJjdXJlIjp7InN1YnNjcmliZSI6WyJmb28iLCJiYXIiXSwicHVibGlzaCI6WyJmb28iXX19.LRLvirgONK13JgacQ_VbcjySbVhkSmHy3IznH3tA9PM');

use Symfony\Component\Mercure\Hub;
use Symfony\Component\Mercure\Jwt\StaticTokenProvider;
use Symfony\Component\Mercure\Update;

$hub = new Hub(HUB_URL, new StaticTokenProvider(JWT));
// Serialize the update, and dispatch it to the hub, that will broadcast it to the clients
$id = $hub->publish(new Update('https://example.com/books/1.jsonld', 'Hi from Symfony!'));

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