<?php
$SERVER = "localhost";
$USER = "root";
$PASSWORD = "youwillnotseethis";
$DATABASE = "reg_db";
$TABLE = "user";

mysql_connect('$SERVER','$USER','$PASSWORD') or die("Can't conncet" . mysql_error());
mysql_select_db("$DATABASE") or die("Couldn't find the DB");

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

$sql="SELECT * FROM $TABLE WHERE username='$user' and password='$pass';
$result=mysql_query($sql);

$count=mysql_num_rows($results);

if($count==1){

session_register("user");
session_register("pass");
header("location:login_success.php");
}
else {
echo "Wrong username or Password";
}
?>