comparison core/lib/Drupal/Core/Controller/ControllerResolver.php @ 5:12f9dff5fda9 tip

Update to Drupal core 8.7.1

 
     if (strpos($controller, ':') === FALSE) {
       if (function_exists($controller)) {
         return $controller;
       }
-      elseif (method_exists($controller, '__invoke')) {
-        return new $controller();
-      }
+      return $this->classResolver->getInstanceFromDefinition($controller);
     }
 
     $callable = $this->createController($controller);
 
     if (!is_callable($callable)) {