Plugin - Events on Index manipulieren

PHP-Code:
function add_events()
{
    global $db, $mybb, $templates, $index_events, $lang, $theme;
    $index_events = '';

    if($mybb->settings['events_on_index'] == 1)
    {
        $lang->load("events");
        require_once MYBB_ROOT."inc/class_parser.php";
        require_once MYBB_ROOT."inc/functions_calendar.php";
        $parser = new postParser;
        $day = my_date("j");
        $month = my_date("n");
        $year = my_date("Y");

        $query = $db->simple_select("calendars", "*", "cid='".intval($mybb->settings['eoi_calendar'])."'");
        $calendar = $db->fetch_array($query);
        
        $start_timestamp = gmmktime(0, 0, 0, $month, $day, $year);
        $end_timestamp = $start_timestamp+(86400*intval($mybb->settings['eoi_days']));

        $events_cache = get_events($calendar['cid'], $start_timestamp, $end_timestamp);

        $comma = $events = '';
        
        $arrWeek=array("(So)","(Mo)","(Di)","(Mi)","(Do)","(Fr)","(Sa)");
        
        if(is_array($events_cache)) {
        // Notes: Falls innerhalb der nächsten  xTage Events anstehen, steht das im $events_cache
        // Notes: Abfrage der nächsten xTage, dazu muss jedesmal aktueller timestamp in j-n-Y umgerechnet werden , damit es keine Komplikationen gibt
            for($i=0; $i<=intval($mybb->settings['eoi_days']); $i++) {
                //$intZeit = mktime(0,0,0,$month,$day,$year);
                $intPlusTage = $i * 24 * 60 * 60;
                $strDatum = date('j-n-Y', $start_timestamp+$intPlusTage);
                if(is_array($events_cache[$strDatum]))
                {
                    foreach($events_cache[$strDatum] as $event)
                    {
                        $comma = "<br />";
                        $strDatumTempl = date('d-m-Y', $start_timestamp+$intPlusTage)." ".$arrWeek[date("w",$start_timestamp+$intPlusTage)];
                        $event['name'] = htmlspecialchars_uni($parser->parse_badwords($event['name']));
                        
                        $query = $db->simple_select("users", "username, usergroup, displaygroup", "uid='".$event['uid']."'");
                        $user = $db->fetch_array($query);
                        
                        $user['username'] = format_name($user['username'], $user['usergroup'], $user['displaygroup']);
                        $user['profilelink'] = build_profile_link($user['username'], $event['uid']);
                        eval("\$events .= \"".$templates->get("events_row", 1, 0)."\";");
                    }
                }
            }
        }
        if($events != "")
        {
            eval("\$index_events = \"".$templates->get("events_on_index")."\";");
        }
    }
}