Event-driven, non-blocking I/O with PHP - ReactPHP
source link: https://reactphp.org/
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ReactPHP: Event-driven, non-blocking I/O with PHP
Event-driven, non-blocking I/O with PHP
ReactPHP is a low-level library for event-driven programming in PHP. At its core is an event loop, on top of which it provides low-level utilities, such as: Streams abstraction, async DNS resolver, network client/server, HTTP client/server and interaction with processes. Third-party libraries can use these components to create async network clients/servers and more.
$loop = React\EventLoop\Factory::create();
$server = new React\Http\Server($loop, function (Psr\Http\Message\ServerRequestInterface $request) {
return new React\Http\Message\Response(
200,
array(
'Content-Type' => 'text/plain'
),
"Hello World!\n"
);
});
$socket = new React\Socket\Server(8080, $loop);
$server->listen($socket);
echo "Server running at http://127.0.0.1:8080\n";
$loop->run();This simple web server written in ReactPHP responds with "Hello World" for every request.
ReactPHP is production ready and battle-tested with millions of installations from all kinds of projects around the world.
Its event-driven architecture makes it a perfect fit for efficient network servers and clients handling hundreds or thousands of concurrent connections, long-running applications and many other forms of cooperative multitasking with non-blocking I/O operations.
What makes ReactPHP special is its vivid ecosystem with hundreds of third-party libraries allowing you to integrate with many existing systems, such as common network services, database systems and other third-party APIs.
ReactPHP is non-blocking by default. Use workers for blocking I/O.
The event loop is based on the reactor pattern (hence the name) and strongly inspired by libraries such as EventMachine (Ruby), Twisted (Python) and Node.js (V8).
- Production ready and battle-tested.
- Rock-solid with stable long-term support (LTS) releases.
- Requires no extensions and runs on any platform - no excuses!
- Takes advantage of optional extensions to get better performance when available.
- Highly recommends latest version of PHP 7+ for best performance and support.
- Supports legacy PHP 5.3+ and HHVM for maximum compatibility.
- Well designed and reusable components.
- Decoupled parts so they can be replaced by alternate implementations.
- Carefully tested (unit & functional).
- Promotes standard PSRs where possible for maximum interoperability.
- Aims to be technology neutral, so you can use your preferred application stack.
- Small core team of professionals supported by large network of outside contributors.
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