Untitled

<html>
<body>
<?php

function AddMe()
{

?>

<form name = "new user" action = "" method = "POST" />

    Desired Username :
<br />
    <input type = "text" name = "username" />
<br />
    Password :
<br />
    <input type = "text" name = "password1" />
<br />
    retype password:
<br />
    <input type = "text" name = "password2" />
<br />
    <input type = "submit" value = "Add Me!" />

</form>

<?php
}

    if(!isset($_POST['username']) && !isset($_POST['password1']) && !isset($_POST['password2']))
{
    AddMe();
}

    elseif($_POST['password1'] != $_POST['password2'])
{
    $flag = 'false';

    AddMe();

    echo '<br />';

    echo 'The two passwords did not match!';
}

    elseif(isset($_POST['username']) && isset($_POST['password1']) && isset($_POST['password2']))
{
    $U_Name = "\r\n" . $_POST['username'];
    $Pass = "\r\n" . md5($_POST['password1']);
    $users = fopen('C:/wamp/db/users.txt', 'a+');
    $Pwords = fopen('C:/wamp/db/Pwords.txt', 'a+');

    fwrite($users, $U_Name);
    fwrite($Pwords, $Pass);
    fclose($users);
    fclose($Pwords);

    $Clean_U_Name = htmlentities($_POST['username']);

    echo 'Thank You ' , $Clean_U_Name , ' you can now <a href = "login.php">sign in</a>';

}

?>

</body>
</html>