http://www.reddit.com/r/dailyprogrammer/comments/pm6oj/21220

<html><head><title>PassGen</title></head><body>
<form action="#" method="post">
<input type="text" name="Passwords" value="# of Passes"/>
<input type="text" name="Chars" value="# of Chars"/>
<input type="submit">
<?php
if(isset($_POST['Passwords']))
    for($i=0;$i<$_POST['Passwords'];$i++){
        echo "Passord $i: ";
        for($j=0;$j<$_POST['Chars'];$j++){
            echo htmlentities(chr(mt_rand(33,125)));
        }
    echo "<br>";
    }
?>
</form></body></html>