Server-sent events

[freost]

Type

---

	Yes/No
Bugfix?	-
New feature?	Yes
Other?	-

Additional information

	Yes/No
Has backwards compatibility breaks?	No
Has unit and/or integration tests?	Yes

Description

---

This new response sender allows you to send server-sent events from your backend.

<?php

namespace app\http\controllers;

use mako\http\response\senders\EventStream;
use mako\http\response\senders\stream\event\Event;
use mako\http\response\senders\stream\event\Field;
use mako\http\response\senders\stream\event\Type;

class Example
{
	public function __invoke(): EventStreamResponse
	{
		set_time_limit(0);

		return new EventStream(function () {
			for ($i = 0; $i < 20; $i++) {
				yield new Event(
					new Field(Type::DATA, "data frame {$i}"),
				);

				sleep(1);
			}
		});
	}
}