[DND]

try this.. btw i've said to give me some details, not just the benc.php.. you don't know how to ask for help.

<?php
/*
+------------------------------------------------
|   TBDev.net BitTorrent Tracker PHP
|   =============================================
|   by CoLdFuSiOn
|   (c) 2003 - 2009 TBDev.Net
|   http://www.tbdev.net
|   =============================================
|   svn: http://sourceforge.net/projects/tbdevnet/
|   Licence Info: GPL
+------------------------------------------------
|   $Date$
|   $Revision$
|   $Author$
|   $URL$
+------------------------------------------------
*/

function benc($obj) {
    if (!is_array($obj) || !isset($obj["type"]) || !isset($obj["value"]))
        return;
    $c = $obj["value"];
    switch ($obj["type"]) {
        case "string":
            return benc_str($c);
        case "integer":
            return benc_int($c);
        case "list":
            return benc_list($c);
        case "dictionary":
            return benc_dict($c);
        default:
            return;
    }
}

function benc_str($s) {
    return strlen($s) . ":$s";
}

function benc_int($i) {
    return "i" . $i . "e";
}

function benc_list($a) {
    $s = "l";
    foreach ($a as $e) {
        $s .= benc($e);
    }
    $s .= "e";
    return $s;
}

function benc_dict($d) {
    $s = "d";
    $keys = array_keys($d);
    sort($keys);
    foreach ($keys as $k) {
        $v = $d[$k];
        $s .= benc_str($k);
        $s .= benc($v);
    }
    $s .= "e";
    return $s;
}

function bdec_file($f, $ms) {
    $fp = fopen($f, "rb");
    if (!$fp)
        return;
    $e = fread($fp, $ms);
    fclose($fp);
    return bdec($e);
}

function bdec($s) {
    if (preg_match('/^(\d+):/', $s, $m)) {
        $l = $m[1];
        $pl = strlen($l) + 1;
        $v = substr($s, $pl, $l);
        $ss = substr($s, 0, $pl + $l);
        if (strlen($v) != $l)
            return;
        return array("type" => "string", "value" => $v, "strlen" => strlen($ss), "string" => $ss);
    }
    if (preg_match('/^i(-{0,1}\d+)e/', $s, $m)) {
        $v = $m[1];
        $ss = "i" . $v . "e";
        if ($v === "-0")
            return;
        if ($v[0] == "0" && strlen($v) != 1)
            return;
        return array("type" => "integer", "value" => $v, "strlen" => strlen($ss), "string" => $ss);
    }
    switch ($s[0]) {
        case "l":
            return bdec_list($s);
        case "d":
            return bdec_dict($s);
        default:
            return;
    }
}

function bdec_list($s) {
    if ($s[0] != "l")
        return;
    $sl = strlen($s);
    $i = 1;
    $v = array();
    $ss = "l";
    for (;;) {
        if ($i >= $sl)
            return;
        if ($s[$i] == "e")
            break;
        $ret = bdec(substr($s, $i));
        if (!isset($ret) || !is_array($ret))
            return;
        $v[] = $ret;
        $i += $ret["strlen"];
        $ss .= $ret["string"];
    }
    $ss .= "e";
    return array("type" => "list", "value" => $v, "strlen" => strlen($ss), "string" => $ss);
}

function bdec_dict($s) {
    if ($s[0] != "d")
        return;
    $sl = strlen($s);
    $i = 1;
    $v = array();
    $ss = "d";
    for (;;) {
        if ($i >= $sl)
            return;
        if ($s[$i] == "e")
            break;
        $ret = bdec(substr($s, $i));
        if (!isset($ret) || !is_array($ret) || $ret["type"] != "string")
            return;
        $k = $ret["value"];
        $i += $ret["strlen"];
        $ss .= $ret["string"];
        if ($i >= $sl)
            return;
        $ret = bdec(substr($s, $i));
        if (!isset($ret) || !is_array($ret))
            return;
        $v[$k] = $ret;
        $i += $ret["strlen"];
        $ss .= $ret["string"];
    }
    $ss .= "e";
    return array("type" => "dictionary", "value" => $v, "strlen" => strlen($ss), "string" => $ss);
}

?>