bedezign\yii2\audit\models\AuditTrail::tableName PHP Method

    public static function tableName()
    {
        return '{{%audit_trail}}';
    }

    /**
     * Clean up the audit data according to the settings.
     */
    public function actionCleanup()
    {
        $audit = Audit::getInstance();
        if ($audit->maxAge === null) {
            return;
        }
        $entry = AuditEntry::tableName();
        $errors = AuditError::tableName();
        $data = AuditData::tableName();
        $javascript = AuditJavascript::tableName();
        $trail = AuditTrail::tableName();
        $threshold = time() - $audit->maxAge * 86400;
        AuditEntry::getDb()->createCommand(<<<SQL
DELETE FROM {$entry}, {$errors}, {$data}, {$javascript}, {$trail} USING {$entry}
  INNER JOIN {$errors} ON {$errors}.entry_id = {$entry}.id
  INNER JOIN {$data} ON {$data}.entry_id = {$entry}.id
  INNER JOIN {$javascript} ON {$javascript}.entry_id = {$entry}.id
  INNER JOIN {$trail} ON {$trail}.entry_id = {$entry}.id
  WHERE {$entry}.created < FROM_UNIXTIME({$threshold})
SQL
)->execute();
    }