Update README.md

Author: Jeckerson

README.md

@@ -17,54 +17,75 @@ See comments inside code for more details.
 
 declare(strict_types=1);
 
+use Phalcon\Di\Di;
 use Phalcon\Mvc\Micro;
 use Swoole\Http\Request;
 use Swoole\Http\Response;
 use Swoole\Http\Server;
 
+$di = new Di();
+$di->setShared('router', new Router(false));
+
+$app = new Micro($di);
+
+/**
+ * Define example GET endpoint with text response.
+ */
+$app->get('/', function() {
+    return 'Hello World';
+});
+
+/**
+ * Define example redirect.
+ */
+$app->get('/redirect', function () {
+    // Redirect is handled by Swoole's Request.
+    return ['redirect' => 'https://github.com'];
+});
+
+/**
+ * Define example json response.
+ */
+$app->get('/json', function () {
+    // Correct headers will be added from Swoole's Response.
+    return ['json' => true];
+});
+
 $http = new Server('0.0.0.0', 9501);
 $http->on('start', function () {
     echo "Swoole http server is started at http://127.0.0.1:9501\n";
 });
 
-$http->on('request', function (Request $request, Response $response) {
-    $app = new Micro();
-    $app->setService('request', new \Phalcon\Bridge\Swoole\Request($request), true);
-    $app->setService('response', new \Phalcon\Bridge\Swoole\Response($response), true);
-    /**
-     * We need to define our response handler, because
-     * default Micro response handler will send output
-     * into client, meanwhile we just want it to pass
-     * to the Swoole's response end() method.
-     */
-    $app->setResponseHandler(function () use ($app) {
-        return $app->response->getContent();
-    });
+$http->on('request', function (Request $request, Response $response) use ($app) {
+    $app->setService('request', new \Phalcon\Bridge\Swoole\Request($request));
+    $app->setService('response', new \Phalcon\Bridge\Swoole\Response($response));
 
     /**
      * Without fallback 404 handler it will crush.
      */
-    $app->notFound(function () use ($app) {
-        $app
-            ->response
-            ->setStatusCode(404, 'Not Found')
-            ->setContent('Not found');
-    });
-
-    /**
-     * Define GET endpoint.
-     */
-    $app->get('/', function() use ($app) {
-        $app
-            ->response
-            ->setContent('Hello World');
+    $app->notFound(function () use ($response) {
+        $response->setStatusCode(404, 'Not Found');
     });
 
     /**
      * Handle in Phalcon the request and pick response content.
      * Then pass to Swoole and end response. 
      */
     $content = $app->handle($request->server['request_uri']);
+    if (!empty($content['redirect'])) {
+        $response->redirect($content['redirect'], 301);
+        return;
+    }
+
+    if (isset($content['content'])) {
+        if (is_array($content['content'])) {
+            $response->setHeader('Content-Type', 'application/json');
+            $content = json_encode($content['content']);
+        } else {
+            $content = (string)$content['content'];
+        }
+    }
+
     $response->end($content);
 });