<?php
$username = "DBUSER";
$password = "DBPASS";
$database = "DBNAME";
$hostname = "localhost";

$dbhandle = mysql_connect($hostname, $username, $password)
  or die("Unable to connect to MySQL");
echo "Connected to DB<br>";

$selected = mysql_select_db($database, $dbhandle)
  or die("Could not select examples");
?>

<?php
$queryallusers = mysql_query("SELECT * FROM users WHERE NOT id='0' AND NOT username='{$loggeduser}' ORDER BY id");
?>