PSR-7, the last PHP Standard Recommendation, was adopted by the PHP Framework Interoperability Group on May 19. That PSR defines PHP interfaces representing HTTP messages: request and response (client and server side), uploaded file, URI, streams, PHP superglobals and CGI bindings. The adoption of PSR-7 was a long road well told by Mathew Weier O’Phinney (the main author of the…