Anzahl ungelesener PM's in Top-Panel

PHP-Code:

function update_pm_count($uid=0, $count_to_update=7)
{
global $db, $mybb;

// If no user id, assume that we mean the current logged in user.
if((int)$uid == 0)
{
$uid = $mybb->user['uid'];
}

$uid = (int)$uid;
$pmcount = array();
if($uid == 0)
{
return $pmcount;
}

// Update total number of messages.
if($count_to_update & 1)
{
$query = $db->simple_select("privatemessages", "COUNT(pmid) AS pms_total", "uid='".$uid."'");
$total = $db->fetch_array($query);
$pmcount['totalpms'] = $total['pms_total'];
}

// Update number of unread messages.
if($count_to_update & 2 && $db->field_exists("unreadpms", "users") == true)
{
$query = $db->simple_select("privatemessages", "COUNT(pmid) AS pms_unread", "uid='".$uid."' AND status='0' AND folder='1'");
$unread = $db->fetch_array($query);
$pmcount['unreadpms'] = $unread['pms_unread'];
}

if(!empty($pmcount))
{
$db->update_query("users", $pmcount, "uid='".$uid."'");
}
return $pmcount;
}

PHP-Code:

    // Tell the user their PM usage
    $lang->welcome_pms_usage = $lang->sprintf($lang->welcome_pms_usage, my_number_format($mybb->user['pms_unread']), my_number_format($mybb->user['pms_total']));