<?php

$userlogin = "Tom";
$userpass = "abc";

$user = $_POST['uname'];
$pass = $_POST['upass'];

echo "u:".$_POST['uname'];
echo "p:".$pass;

if($userlogin == $user & $userpass == $pass){
    echo "yep";
}else echo "nope, you entered $user and $pass. Try entering $userlogin and $userpass";

?>