function php_report_config_capable_filtering($fields = null, $baseurl = null, $extraparams = null, $id = 0, $reportname = '', $secondary_filterings = array())
 {
     parent::__construct($fields, $baseurl, $extraparams, $id, $reportname, $secondary_filterings);
     $this->reportname = $reportname;
     $this->secondary_filterings = $secondary_filterings;
 }