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bdecode implement lists

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mykola2312 2022-03-18 13:08:00 +02:00
parent 31aa07530a
commit 142cc44dc9
1 changed files with 17 additions and 11 deletions
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28
bencoder.php
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@ -43,21 +43,27 @@ function bencode($var)
}
}
function bdecode($enc)
function bdecode($enc, &$off = null)
{
$result = null;
$encLen = strlen($enc);
for ($i = 0; $i < $encLen; $i++)
{
$type = substr($enc, $i, 1);
if ($type == 'i') {
$start = ++$i;
$end = strpos($enc, 'e', $i);
$result = substr($enc, $start, $end - $start);
$i = $end;
continue;
if ($off == null) {
$_off = 0;
$off = $_off;
}
$type = substr($enc, $off, 1);
if ($type == 'i') {
$end = strpos($enc, 'e', $off + 1);
$result = intval(substr($enc, $off + 1, $end - $off - 1));
$off = $end + 1;
} else if ($type == 'l') {
$off++;
$result = array();
while (substr($enc, $off, 1) != 'e') {
array_push($result, bdecode($enc, $off));
}
}
return $result;
}