public function actionUpditem() { $model = new RbacModel(); $model->scenario = 'edititem'; $item = $model->getItem(\Yii::$app->request->post('name'), \Yii::$app->request->post('type')); if ($item) { $model->populateItem($item); $result = ['state' => 'success', 'result' => $this->renderAjax('_editform', ['model' => $model])]; return $result; } else { $error = Html::errorSummary($model); $result = ['state' => 'error', 'error' => $error]; return $result; } }