Prepare for split between handler and middleware

Author: shadowhand

.pullapprove.yml

@@ -1,7 +1,7 @@
 HTTP Server Middleware
 ======================
 
-This is an implementation of the proposed [PSR-15][psr-15]. Please refer to the
+Provides the `RequestHandlerInterface` of [PSR-15][psr-15]. Please refer to the
 proposal for a description.
 
-[psr-15]: https://github.com/php-fig/fig-standards/tree/master/proposed/http-middleware
+[psr-15]: https://github.com/php-fig/fig-standards/tree/master/proposed/http-handlers

README.md

@@ -1,12 +1,13 @@
 {
-    "name": "http-interop/http-middleware",
-    "description": "Common interface for HTTP server-side middleware",
+    "name": "http-interop/http-server-handler",
+    "description": "Common interface for HTTP server-side request handler",
     "keywords": [
         "psr",
         "psr-7",
         "psr-15",
         "http",
-        "middleware",
+        "server",
+        "handler",
         "request",
         "response"
     ],
@@ -18,7 +19,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
+        "php": ">=7.0",
         "psr/http-message": "^1.0"
     },
     "autoload": {

composer.json

@@ -13,10 +13,6 @@ interface RequestHandlerInterface
 {
     /**
      * Handle the request and return a response.
-     *
-     * @param ServerRequestInterface $request
-     *
-     * @return ResponseInterface
      */
-    public function handle(ServerRequestInterface $request);
+    public function handle(ServerRequestInterface $request): ResponseInterface;
 }