Address deprecation of ReflectionType::getClass().

Author: derrabus

Controller/ControllerResolver.php

@@ -136,7 +136,7 @@ protected function doGetArguments(Request $request, $controller, array $paramete
                 } else {
                     $arguments[] = $attributes[$param->name];
                 }
-            } elseif ($param->getClass() && $param->getClass()->isInstance($request)) {
+            } elseif ($this->typeMatchesRequestClass($param, $request)) {
                 $arguments[] = $request;
             } elseif ($param->isDefaultValueAvailable()) {
                 $arguments[] = $param->getDefaultValue();
@@ -260,4 +260,22 @@ private function getControllerError($callable)
 
         return $message;
     }
+
+    /**
+     * @return bool
+     */
+    private function typeMatchesRequestClass(\ReflectionParameter $param, Request $request)
+    {
+        if (!method_exists($param, 'getType')) {
+            return $param->getClass() && $param->getClass()->isInstance($request);
+        }
+
+        if (!($type = $param->getType()) || $type->isBuiltin()) {
+            return false;
+        }
+
+        $class = new \ReflectionClass(method_exists($type, 'getName') ? $type->getName() : (string) $type);
+
+        return $class && $class->isInstance($request);
+    }
 }