Сергей Беловенцев

$expression = new Expression('NOW()');
$now = (new \yii\db\Query)->select($expression)->scalar();  // SELECT NOW();
echo $now; // prints the current date

return $this->redirect(Url::toRoute('reset-password'));

class ExportBehavior extends  Behavior
{
    public $attributes;

    public function export(){
        return $this->owner->attributes;
    }
}

SELECT SUM(bonus), nlevel(tree) - nlevel('2.383') AS level
FROM "user" 
INNER JOIN "bonus_item" 
ON user_from = "user".id 
AND user_to = 383
WHERE (tree ~ '2.383.*{0,5}') 
AND ("mounth" = '9:2017')
GROUP BY nlevel(tree) - nlevel('2.383')
order by nl;

SELECT SUM(bonus), nlevel(tree) - nlevel('2.383') AS level
FROM "user" 
INNER JOIN "bonus_item" 
ON user_from = "user".id 
AND user_to = 383
WHERE (tree ~ '2.383.*{0,5}') 
AND ("mounth" = '9:2017')
GROUP BY (nlevel(tree) - nlevel('2.383'))
order by nl;

$page = Pages::findOne(['slug_pages'=>$slug]);
if ($page === null) {
    throw new \yii\web\NotFoundHttpException('Page not found.');
}