Added return feature and arrow function example

index.php

@@ -134,6 +134,17 @@ Route::add('/الرقص-العربي', function() {
   echo 'Arabic example. Non english letters should work too <br>';
 });
 
+// Return example
+// Returned data gets echoed
+Route::add('/return', function() {
+  navi();
+  return 'This text gets returned by the add method';
+});
+
+// Arrow function example
+// Note: You can use this example only if you are on PHP 7.4 or higher
+// Route::add('/arrow/([a-z-0-9-]*)', fn($foo) => 'This is a working arrow function example. Parameter: '.$foo );
+
 // Trailing slash example
 Route::add('/aTrailingSlashDoesNotMatter', function() {
   navi();

src/Steampixel/Route.php

@@ -96,7 +96,9 @@ class Route {
               array_shift($matches); // Remove basepath
             }
 
-            call_user_func_array($route['function'], $matches);
+            if($return_value = call_user_func_array($route['function'], $matches)) {
+              echo $return_value;
+            }
 
             $route_match_found = true;
 
@@ -107,7 +109,7 @@ class Route {
       }
 
       // Break the loop if the first found route is a match
-      if($route_match_found&&!$multimatch){
+      if($route_match_found&&!$multimatch) {
         break;
       }