<?php
$mysql_host = "localhost";
$mysql_database = "test";
$mysql_user = "root";
$mysql_password = "";

$con = mysql_connect($mysql_host,$mysql_user,$mysql_password);
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

mysql_select_db($mysql_database, $con);

$sql="INSERT INTO users (id, username, password)
VALUES
('','$_POST[user]','$_POST[pass]')";

if (!mysql_query($sql,$con))
  {
  die('Error: ' . mysql_error());
  }
echo "1 record added";

mysql_close($con)
?>