use methods instead of properties

Author: miladrahimi

src/Routing/Route.php

@@ -79,14 +79,14 @@ public function __construct(
     public function toArray(): array
     {
         return [
-            'method' => $this->method,
-            'path' => $this->path,
-            'controller' => $this->controller,
-            'name' => $this->name,
-            'middleware' => $this->middleware,
-            'domain' => $this->domain,
-            'uri' => $this->uri,
-            'parameters' => $this->parameters,
+            'method' => $this->getMethod(),
+            'path' => $this->getPath(),
+            'controller' => $this->getController(),
+            'name' => $this->getName(),
+            'middleware' => $this->getMiddleware(),
+            'domain' => $this->getDomain(),
+            'uri' => $this->getUri(),
+            'parameters' => $this->getParameters(),
         ];
     }
 

src/Services/HttpPublisher.php

@@ -4,21 +4,14 @@
 
 use Psr\Http\Message\ResponseInterface;
 
-/**
- * Class HttpPublisher
- * HttpPublisher publishes controller responses as over HTTP.
- *
- * @package MiladRahimi\PhpRouter\Services
- * @codeCoverageIgnore
- */
 class HttpPublisher implements Publisher
 {
     /**
      * @inheritdoc
      */
     public function publish($content): void
     {
-        $content = empty($content) ? '' : $content;
+        $content = empty($content) ? null : $content;
 
         $output = fopen('php://output', 'a');