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# Http Component
Library for building an evented http server.
This component builds on top of the `Socket` component to implement HTTP. Here
are the main concepts:
* **Server**: Attaches itself to an instance of
`React\Socket\ServerInterface`, parses any incoming data as HTTP, emits a
`request` event for each request.
* **Request**: A `ReadableStream` which streams the request body and contains
meta data which was parsed from the request header.
* **Response** A `WritableStream` which streams the response body. You can set
the status code and response headers via the `writeHead()` method.
## Usage
This is an HTTP server which responds with `Hello World` to every request.
$loop = React\EventLoop\Factory::create();
$socket = new React\Socket\Server($loop);
$http = new React\Http\Server($socket);
$http->on('request', function ($request, $response) {
$response->writeHead(200, array('Content-Type' => 'text/plain'));
$response->end("Hello World!\n");
});
$socket->listen(1337);
$loop->run();
Mini Shell