ABACABA PHP

<?php
/**
 Use: i = depth
 */
define('A_CODE',ord("A")-1);

class abacaba
{
    var $Dictionary = array('');

    function __construct($depth)
    {
        for ($i=1;$i<=$depth;$i++)
                    $this->Dictionary[]=chr(A_CODE+$i);
    }

    function getit($depth)
    {
        if (0==$depth) return $this->Dictionary[0];
        return $this->getit($depth-1) . $this->Dictionary[$depth] . $this->getit($depth-1);
    }
}

$x = new abacaba(25);

$message = $x->getit($_GET['x']);

echo <<<HERE

<html>
<body>
<textarea autofocus cols="100" rows="30" wrap="soft" spellcheck="false">
$message
</textarea>
<br>
Lenght: $len
</body>

</html>

HERE;
?>