$model->create()
$myModel = MyModel::find()->orderBy('lft')->all();
$data >save(false);
Cars::updateAll(['car_price' => 150], 'id_car = 100');
'components' => [ 'authManager' => [ 'class' => 'yii\rbac\DbManager', ],
Note: If you are using yii2-basic-app template, there is a config/console.php configuration file where the authManager needs to be declared additionally to config/web.php. In case of yii2-advanced-app the authManager should be declared only once in common/config/main.php.