ipv6

if ($_SERVER["REQUEST_METHOD"] == "POST"){
$first = trim($_POST["first"]);
$last = trim($_POST["last"]);
$comment = htmlsafechars(trim($_POST["comment"]));
if (!$first || !$last || !$comment){
stderr("{$lang['stderr_error']}", "{$lang['text_missing']}");
}
$first = ip2long($first);
$last = ip2long($last);
if ($first == - 1 || $first === FALSE || $last == - 1 || $last === FALSE){
stderr("{$lang['stderr_error']}", "{$lang['text_badip.']}");
}
$added = TIME_NOW;
for ($i = $first; $i <= $last; $i++) {
$key = 'bans:::' . long2ip($i);
$mc1->delete_value($key);
}
mysqli_query($GLOBALS["___mysqli_ston"], "INSERT INTO bans (added, addedby, first, last, comment) VALUES($added, " . sqlesc($CURUSER['id']) . ", " . sqlesc($first) . ", " . sqlesc($last) . ", " . sqlesc($comment) . ")") or sqlerr(__FILE__, __LINE__);
die;
}