Untitled

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>Register!</title>

</head>

<body>

<form action='<?=$_SERVER['PHP_SELF']?>' method='POST'>

Username: <input type='text' name='username'><br>

Password: <input type='password' name='password'><br>

<input name="register" type="submit" value="Submit">

</form>

<?php

include('config.php');

///variables...

$submit=$_POST['register'];

$username =
mysql_real_escape_string(strip_tags(htmlspecialchars($_POST['username'])&
#41;);

$password = md5($_POST['password']);

//if button is pressed

if($submit){

//if username is not blank..same for pass

if(($username) and ($password) and ($username!==NULL) and
($password!==NULL)){

$sql="INSERT INTO `users` (`id`,`username`,`password`)
VALUES
('NULL','".$username."','".$password."')";

mysql_query($sql) or die(mysql_error());

echo "Congratulations! You are registered!<br><a href='index.php'>Log
in</a>";

}

}

?>

</body>

</html>