bedezign\yii2\audit\panels\TrailPanel::cleanup PHP Method

    public function cleanup($maxAge = null)
    {
        $maxAge = $maxAge !== null ? $maxAge : $this->maxAge;
        if ($maxAge === null) {
            return false;
        }
        return AuditTrail::deleteAll(['<=', 'created', date('Y-m-d 23:59:59', strtotime("-{$maxAge} days"))]);
    }