private static function format_data($eventdata, $eventfullpath) {
        // Get general event information.
        $eventdata[$eventfullpath] = $eventfullpath::get_static_info();
        // Create a link for further event detail.
        $url = new \moodle_url('eventdetail.php', array('eventname' => $eventfullpath));
        $link = \html_writer::link($url, $eventfullpath::get_name_with_info());
        $eventdata[$eventfullpath]['fulleventname'] = \html_writer::span($link);
        $eventdata[$eventfullpath]['fulleventname'] .= \html_writer::empty_tag('br');
        $eventdata[$eventfullpath]['fulleventname'] .= \html_writer::span($eventdata[$eventfullpath]['eventname'],
                'report-eventlist-name');

        $eventdata[$eventfullpath]['crud'] = self::get_crud_string($eventdata[$eventfullpath]['crud']);
        $eventdata[$eventfullpath]['edulevel'] = self::get_edulevel_string($eventdata[$eventfullpath]['edulevel']);
        $eventdata[$eventfullpath]['legacyevent'] = $eventfullpath::get_legacy_eventname();

        // Mess around getting since information.
        $ref = new \ReflectionClass($eventdata[$eventfullpath]['eventname']);
        $eventdocbloc = $ref->getDocComment();
        $sincepattern = "/since\s*Moodle\s([0-9]+.[0-9]+)/i";
        preg_match($sincepattern, $eventdocbloc, $result);
        if (isset($result[1])) {
            $eventdata[$eventfullpath]['since'] = $result[1];
        } else {
            $eventdata[$eventfullpath]['since'] = null;
        }

        // Human readable plugin information to go with the component.
        $pluginstring = explode('\\', $eventfullpath);
        if ($pluginstring[1] !== 'core') {
            $component = $eventdata[$eventfullpath]['component'];
            $manager = get_string_manager();
            if ($manager->string_exists('pluginname', $pluginstring[1])) {
                $eventdata[$eventfullpath]['component'] = \html_writer::span(get_string('pluginname', $pluginstring[1]));
            }
        }

        // Raw event data to be used to sort the "Event name" column.
        $eventdata[$eventfullpath]['raweventname'] = $eventfullpath::get_name_with_info() . ' ' . $eventdata[$eventfullpath]['eventname'];

        // Unset information that is not currently required.
        unset($eventdata[$eventfullpath]['action']);
        unset($eventdata[$eventfullpath]['target']);
        return $eventdata;
    }