<?php
function getPageRank($url){
$pagerank = -1;
$fp = fsockopen("www.google.com", 80, $errno, $errstr, 30);
if($fp){
$out = "GET /search?client=navclient-auto&ch=".CheckHash(hashURL($url))."&features=Rank&q=info:".$url."&num=100&filter=0 HTTP/1.1\r\n";
$out .= "Host: www.google.com\r\n";
$out .= "Connection: Close\r\n\r\n";
fwrite($fp, $out);
while (!feof($fp)){
$data = fgets($fp, 128);
$pos = strpos($data, "Rank_");
if($pos === false){
}else
$pagerank = substr($data, $pos + 9);
}
fclose($fp);
}
return $pagerank;
}
function strToNum($Str, $Check, $Magic)
{
$Int32Unit = 4294967296;
$length = strlen($Str);
for ($i = 0; $i < $length; $i++) {
$Check *= $Magic;
if ($Check >= $Int32Unit) {
$Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit));
$Check = ($Check < -2147483648)? ($Check + $Int32Unit) : $Check;
}
$Check += ord($Str{$i});
}
return $Check;
}
function hashURL($String)
{
$Check1 = strToNum($String, 0x1505, 0x21);
$Check2 = strToNum($String, 0, 0x1003F);
$Check1 >>= 2;
$Check1 = (($Check1 >> 4) & 0x3FFFFC0 ) | ($Check1 & 0x3F);
$Check1 = (($Check1 >> 4) & 0x3FFC00 ) | ($Check1 & 0x3FF);
$Check1 = (($Check1 >> 4) & 0x3C000 ) | ($Check1 & 0x3FFF);
$T1 = (((($Check1 & 0x3C0) << 4) | ($Check1 & 0x3C)) <<2 ) | ($Check2 & 0xF0F );
$T2 = (((($Check1 & 0xFFFFC000) << 4) | ($Check1 & 0x3C00)) << 0xA) | ($Check2 & 0xF0F0000 );
return ($T1 | $T2);
}
function checkHash($Hashnum) {
$CheckByte = 0;
$Flag = 0;
$HashStr = sprintf('%u', $Hashnum) ;
$length = strlen($HashStr);
for ($i = $length - 1; $i >= 0; $i --) {
$Re = $HashStr{$i};
if (1 === ($Flag % 2)) {
$Re += $Re;
$Re = (int)($Re / 10) + ($Re % 10);
}
$CheckByte += $Re;
$Flag ++;
}
$CheckByte %= 10;
if (0!== $CheckByte) {
$CheckByte = 10 - $CheckByte;
if (1 === ($Flag % 2) ) {
if (1 === ($CheckByte % 2)) {$CheckByte += 9;}
$CheckByte >>= 1;
}
}
return '7'.$CheckByte.$HashStr;}
echo 'Testing Pagerank<br>';
echo '-----------------------------<br>';
$site = 'http://www.google.com';
$pageRank = getPageRank($site);
echo 'PR: ' . $pageRank;
?>