<?php
$server_ip = "localhost";
$mysql_user = "";
$mysql_pass = "";
$database = "";
$connect = mysql_connect("$server_ip", "$mysql_user", "$mysql_pass") or die(mysql_error());
$db_select = mysql_select_db("$database", $connect) or die(mysql_error());
$query = mysql_query("SELECT online FROM characters WHERE online=1") or die(mysql_error()) ;
$online_chars = mysql_num_rows($query);
echo 'Players Online:'.$online_chars;
mysql_close($connect);
?>