[PHP] MD5 Generator

<?
# MD5 generator
# PHP
?>

<form method="POST">
<input type="text" name="gen">
<input type="submit" name="md5" value="Generator">

<?
if(isset($_POST['md5']))
{
        $md5 = md5($_POST['gen']);
        echo "<br>";
        echo $md5;
        }
?>