two mistakes in it:
PHP Code:
$adminonline = mysql_fetch_array(mysql_query("SELECT COUNT(userid) as total FROM session LEFT JOIN user USING(userid) WHERE user.usergroupid=6"));
if ($adminonline['total'] > 1) {
echo("There are $adminonline[total] admins online");
} elseif ($adminonline['total'] == 1) {
echo("There is $adminonline[total] admin online");
} else {
echo("There are no admins online");
}