PHP query for OnlinePlayers-SQL Bukkit Plugin

<?php

// MySQL connect & db select
$link = mysql_connect('localhost', 'root', 'password');
if (!$link) {
    die('Could not connect: ' . mysql_error());
} else {
    mysql_select_db('database', $link);
}

// MySQL Query and Dispaly
    $result = mysql_query("SELECT * FROM online_players2 ORDER BY logon_time ASC");
    $list = null;
    while($row = mysql_fetch_array($result))
    {
        $list .= $row['current_world'] . '-' . $row['player'].'<br />';
    }
?>