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Cees-Jan Kiewiet:
ReactPHP with RecoilPHP: Creating for/http-middleware-psr15-adapter
Feb 09, 2018 @ 11:21:13

Cees-Jan Kiewiet is back with the latest tutorial in his series covering ReactPHP and RecoilPHP. In the previous parts he introduced some of the basic concepts and set up the first bits of code combining ReactPHP and RecoilPHP. In this latest tutorial (part three) he shows how to integrate this with a PSR-15 compliant middleware to evaluate response time.

There are more uses for coroutines than just making working with promises easier. In this post we're diving into the details on how they are used by the Friends of ReactPHP in the PSR-15 Middleware adapter for react/http.

When we started discussing how middleware for react/http should work we also look at the state of PSR-15 at the time. We decided against implementing it directly because of the fully blocking nature of PSR-15, in favour of callable. Which turned into an even better decision when return type hints where added to it to PSR-15. Now I love PSR-15, and middleware in general, which is why I created for/http-middleware-psr15-adapter to bridge the gap.

He starts with the code required to create a normal PSR-15 middleware and recreating the same functionality in a ReactPHP middleware. The article then shows how to use the package he developed to transform the middleware "on the fly" to enable it to be used both as a normal PSR-15 middleware and as a ReactPHP middleware. He ends the post with a word of caution and a bit of advice about using this method of rewriting - basically that just because you can doesn't mean you should.

tagged: reactphp recoil psr15 middleware translate onthefly package tutorial part3 series

Link: https://blog.wyrihaximus.net/2018/02/reactphp-with-recoilphp-party-three-http-middleware-psr-15-adapter/