private static function getData() { if (!ContentTypes::$_data) { if (!(ContentTypes::$_data = Yii::$app->cache->get('ContentTypes3'))) { $tmp = ContentTypes::find()->asArray()->all(); foreach ($tmp as $v) { ContentTypes::$_data[$v['model_id']] = $v['model_name']; } Yii::$app->cache->set('ContentTypes', ContentTypes::$_data, 60); } } }