if($event->name == ActiveRecord::EVENT_BEFORE_UPDATE) {
// вернуть значение для update
} else {
// вернуть значение при insert
}
echo Nav::widget([
'options' => ['class' => 'navbar-nav navbar-right'],
'items' => $menuItems,
'encodeLabels' => false,
'activateParents' => true,
]);
$collections->load(Yii::$app->request->post());
SELECT
LEFT(`date_contract`, 0, 7) as `month`,
COUNT(`id`) as `count`
FROM `users`
GROUP BY `month`