function CodeFunc($Id, $artist, $title)
{
$Id = (int) $Id;
$utf8Str = SetToHexString(iconv('GBK', 'UTF-8', $artist . $title));
$length = strlen($utf8Str) / 2;
for ($i = 0; $i <= $length - 1; $i++) {
eval('$song[' . $i . '] = 0x' . substr($utf8Str, $i * 2, 2) . ';');
}
$tmp2 = 0;
$tmp3 = 0;
$tmp1 = ($Id & 0xff00) >> 8;
if (($Id & 0xff0000) == 0) {
$tmp3 = 0xff & ~$tmp1;
} else {
$tmp3 = 0xff & ($Id & 0xff0000) >> 16;
}
$tmp3 = $tmp3 | (0xff & $Id) << 8;
$tmp3 = $tmp3 << 8;
$tmp3 = $tmp3 | 0xff & $tmp1;
$tmp3 = $tmp3 << 8;
//tmp3 0x18015F00
if (($Id & 4278190080.0) == 0) {
$tmp3 = $tmp3 | 0xff & ~$Id;
} else {
$tmp3 = $tmp3 | 0xff & $Id >> 24;
}
$i = $length - 1;
while ($i >= 0) {
$char = $song[$i];
if ($char >= 0x80) {
$char = $char - 0x100;
}
$tmp1 = $char + $tmp2 & 4294967295.0;
$tmp2 = $tmp2 << $i % 2 + 4 & 4294967295.0;
$tmp2 = $tmp1 + $tmp2 & 4294967295.0;
$i -= 1;
}
$i = 0;
$tmp1 = 0;
while ($i <= $length - 1) {
$char = $song[$i];
if ($char >= 128) {
$char = $char - 256;
}
$tmp7 = $char + $tmp1 & 4294967295.0;
$tmp1 = $tmp1 << $i % 2 + 3 & 4294967295.0;
$tmp1 = $tmp1 + $tmp7 & 4294967295.0;
$i += 1;
}
$t = conv($tmp2 ^ $tmp3);
$t = conv($t + ($tmp1 | $Id));
$t = conv(bcmul($t, $tmp1 | $tmp3));
$t = conv(bcmul($t, $tmp2 ^ $Id));
if (bccomp($t, 2147483648.0) > 0) {
$t = bcadd($t, -4294967296.0);
}
return $t;
}
function CodeFunc($Id, $artist, $title)
{
$Id = (int) $Id;
$utf8Str = SetToHexString($artist . $title);
$length = strlen($utf8Str) / 2;
for ($i = 0; $i <= $length - 1; $i++) {
eval('$song[' . $i . '] = 0x' . substr($utf8Str, $i * 2, 2) . ';');
}
$tmp2 = 0;
$tmp3 = 0;
$tmp1 = ($Id & 0xff00) >> 8;
//右移8位后为0x0000015F
if (($Id & 0xff0000) == 0) {
$tmp3 = 0xff & ~$tmp1;
//CL 0x000000E7
} else {
$tmp3 = 0xff & ($Id & 0xff0000) >> 16;
//右移16位后为0x00000001
}
$tmp3 = $tmp3 | (0xff & $Id) << 8;
//tmp3 0x00001801
$tmp3 = $tmp3 << 8;
//tmp3 0x00180100
$tmp3 = $tmp3 | 0xff & $tmp1;
//tmp3 0x0018015F
$tmp3 = $tmp3 << 8;
//tmp3 0x18015F00
if (($Id & 0xff000000) == 0) {
$tmp3 = $tmp3 | 0xff & ~$Id;
//tmp3 0x18015FE7
} else {
$tmp3 = $tmp3 | 0xff & $Id >> 24;
//右移24位后为0x00000000
}
$i = $length - 1;
while ($i >= 0) {
$char = $song[$i];
if ($char >= 0x80) {
$char = $char - 0x100;
}
$tmp1 = $char + $tmp2 & 0xffffffff;
$tmp2 = $tmp2 << $i % 2 + 4 & 0xffffffff;
$tmp2 = $tmp1 + $tmp2 & 0xffffffff;
$i -= 1;
}
$i = 0;
$tmp1 = 0;
while ($i <= $length - 1) {
$char = $song[$i];
if ($char >= 128) {
$char = $char - 256;
}
$tmp7 = $char + $tmp1 & 0xffffffff;
$tmp1 = $tmp1 << $i % 2 + 3 & 0xffffffff;
$tmp1 = $tmp1 + $tmp7 & 0xffffffff;
$i += 1;
}
$t = conv($tmp2 ^ $tmp3);
$t = conv($t + ($tmp1 | $Id));
$t = conv(bcmul($t, $tmp1 | $tmp3));
$t = conv(bcmul($t, $tmp2 ^ $Id));
if (bccomp($t, 2147483648) > 0) {
$t = bcadd($t, -4294967296);
}
return $t;
}
function tt_code($str)
{
$s = strtolower($str);
$s = str_replace(" ", "", $s);
$s = str_replace("'", "", $s);
return SetToHexString(iconv('GBK', 'UTF-16LE', $s));
}
