bedezign\yii2\audit\models\AuditEntry::finalize PHP Method

    public function finalize()
    {
        $app = Yii::$app;
        $request = $app->request;
        if (!$this->user_id && $request instanceof \yii\web\Request) {
            $user = $app->user;
            $this->user_id = $user->isGuest ? 0 : $user->id;
        }
        $this->duration = microtime(true) - YII_BEGIN_TIME;
        $this->memory_max = memory_get_peak_usage();
        return $this->save(false, ['duration', 'memory_max', 'user_id']);
    }