gistfile1.txt

                    if($description['edit'] == 'inline') {
                        $target_object = $description['reflection']->getValue($object);

                        if(!$target_object) {
                            $target_object = $description['configuration']->getNewInstance();
                        }

                        $target_fields = $description['configuration']->getFormFields();

                        $target_form = $description['configuration']->getForm($target_object, $target_fields);

                        $field = new \Symfony\Component\Form\FieldGroup($name);

                        foreach($target_form->getFields() as $name => $form_field) {
                            if($name == '_token') {
                                continue;
                            }

                            $field->add($form_field);
                        }

                    }