public static function print_array(array &$records, $delimiter = 'comma', $enclosure = '"', $return = false) {
        $csvdata = new csv_export_writer($delimiter, $enclosure);
        foreach ($records as $row) {
            $csvdata->add_data($row);
        }
        $data = $csvdata->print_csv_data($return);
        if ($return) {
            return $data;
        }
    }