yii\mongodb\ActiveRecord::updateInternal PHP Метод

    protected function updateInternal($attributes = null)
    {
        if (!$this->beforeSave(false)) {
            return false;
        }
        $values = $this->getDirtyAttributes($attributes);
        if (empty($values)) {
            $this->afterSave(false, $values);
            return 0;
        }
        $condition = $this->getOldPrimaryKey(true);
        $lock = $this->optimisticLock();
        if ($lock !== null) {
            if (!isset($values[$lock])) {
                $values[$lock] = $this->{$lock} + 1;
            }
            $condition[$lock] = $this->{$lock};
        }
        // We do not check the return value of update() because it's possible
        // that it doesn't change anything and thus returns 0.
        $rows = static::getCollection()->update($condition, $values);
        if ($lock !== null && !$rows) {
            throw new StaleObjectException('The object being updated is outdated.');
        }
        if (isset($values[$lock])) {
            $this->{$lock} = $values[$lock];
        }
        $changedAttributes = [];
        foreach ($values as $name => $value) {
            $changedAttributes[$name] = $this->getOldAttribute($name);
            $this->setOldAttribute($name, $value);
        }
        $this->afterSave(false, $changedAttributes);
        return $rows;
    }