<?
$data = preg_replace("/[^01]/","",$data);
function dodata($data){
$out = '';
while($data){
$block = substr($data,0,8);
$data = substr($data,8);
$out .= chr(bindec($block));
}
return $out;
}
?>
<? if ($data){ ?>
Message: "<?=dodata($data)?>"<br>
<br>
<? } ?>
<form method="post">
<textarea name="data" wrap="virtual" col="30" rows="10"></textarea><br>
<input type="submit" value="go">
</form>