FormValidationController.php

gistfile1.php

    /**
     * @Route("/validator", name="route_name")
     */
    public function validationAction(Request $request)
    {
        $object = new typeOfObject();
        $form = $this->container->get('form.factory')->create(new ObjectFormType(), $object);
        $form->submit($request);
        
        $violations = $this->container->get('validator')->validate($object);

        $result = array('result' => true);

        if (count($violations) <= 0) {
            return new JsonResponse($result);

        }

        $errors = array();

        foreach($violations as $violation) {
            $errors[$violation->getPropertyPath()] = $violation->getMessage();
        }

        $result['result'] = false;
        $result['errors'] = $errors;

        return new JsonResponse($result);
    }