Merge pull request jphp-group#257 from UNF0X/patch-3

Update README.md

exts/jphp-httpserver-ext/README.md

@@ -85,15 +85,38 @@ Check it, open [http://localhost:8888/client-data](http://localhost:8888/hello-w
 
 ---
 
-4. **Start server in background**:
+1. **Run server with hello world page**.
+```php
+use php\http\{HttpServer, HttpServerRequest, HttpServerResponse};
+
+// create server at 8888 port, 127.0.0.1 host.
+$server = new HttpServer(8888, '127.0.0.1'); // port & host.
+
+// add route with method + path + handler.
+$server->route('GET', '/demo-get', function (HttpServerRequest $req, HttpServerResponse $res) {
+    $res->contentType('text/html');
+    $text = $req->attribute('text');
+    $res->contentType('text/html');
+    $name=$req->queryParameters()['name']; //get GET parameter "name"
+    $res->body("You name: $name"); //Show get parameter "name"
+});
+
+// run server.
+$server->run();
+```
+Check it, open [http://localhost:8888/hello-world](http://localhost:8888/hello-world) in your browser.
+
+---
+
+5. **Start server in background**:
 
 ```php
 $server->runInBackground(); // run in background thread.
 ```
 
 ---
 
-5. **Stop server, check is running**.
+6. **Stop server, check is running**.
 ```php
 if ($server->isRunning()) {
     $server->shutdown();