An even better message board.
<?php
$token = md5(time());
$fp = fopen('./tokens.txt', 'a');
fwrite($fp, "$token\n");
fclose($fp);
?>
<form method="post"
action="<?php echo $_SERVER['PHP_SELF']; ?>">
<input type="hidden" name="token"
value="<?php echo $token; ?>" />
<input type="text" name="message"><br />
<input type="submit">
</form>
<?php
$clean = array();
$tokens = file('./tokens.txt');
if (isset($_POST['message']))
{
if (in_array("{$_POST['token']}\n",
$tokens))
{
$clean['message'] =
htmlentities($_POST['message']);
$fp = fopen('./safer.txt', 'a');
fwrite($fp, "{$clean['message']}<br />");
fclose($fp);
}
}
readfile('./safer.txt');
?>
