Stratify HTTP stack
HTTP middleware utilities built upon:, (*1)
composer require stratify/http
Middlewares
A middleware can be either an instance of Psr\Http\Server\MiddlewareInterface:, (*2)
class MyMiddleware implements \Psr\Http\Server\MiddlewareInterface
{
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface
{
return new Response(...);
}
}
$middleware = new MyMiddleware;
or a simple callable, which allows to use closures for quickly writing middlewares:, (*3)
$middleware = function(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface {
return new Response(...);
}
Middleware pipe
The middleware pipe let us pipe middlewares to execute one after the other. It is similar to using the pipe (|) operator on the command line., (*4)
It's interesting to note that the pipe is also a middleware, which means it can be nested or combined with any other middleware., (*5)
Usage:, (*6)
$middleware = new Pipe([
new Middleware1,
new Middleware2,
// ...
]);
// Run
$response = $middleware->process($request, $handler);
The pipe will first execute Middleware1. If that middleware calls $next then Middleware2 will be executed. An infinite number of middlewares can be piped together., (*7)
If you don't need to use the $handler argument for the pipe, you can use the LastHandler class:, (*8)
$response = $middleware->process($request, new \Stratify\Http\Middleware\LastHandler);
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