function formatUsername($id,$link = true,$styles = true, $class = ''){
    global $users;
    return $users->formatUsername($id,$link,$styles,$class);
}

public function formatUsername($id, $link = true, $styles = true, $class = '')
{
    global $db;
    $dataCheck = $db->dbquery("SELECT id,rank,username FROM users WHERE id = '".$id."' LIMIT 1");

if (mysqli_num_rows($dataCheck) == 0)
{
    return '<s>Unknown User</s>';
}

$data = mysqli_fetch_assoc($dataCheck);

$prefix = '<a ';
$prefixEnd = '>';
$suffix = '</a>';
$linkStart = '';
$classStart = ' class="';
$classEnd = '"';
$name = $data['username'];

if ($link)
{
    $linkStart .= 'href="'.WWW.'/home/'.clean($data['username']).'" ';
}

if ($styles)
{
    $rank = $data['rank'];
    $rankData = $db->dbquery("SELECT background,name FROM ranks WHERE id = '".$rank."' LIMIT 1");
    if (mysqli_num_rows($rankData) == 1)
    {
        $rankData = mysqli_fetch_assoc($rankData);
        $class .= ' sparkle '.$rankData['background'];
    }
}
$final = $prefix . $linkStart . $classStart . $class . $classEnd . $prefixEnd . $name . $suffix;
return clean($final,true,false);

$usernameForamt = formatUsername($users['id'],true,true);