/** - * 获取Google PR值
- * by bbs.it-home.org
- */
- define('GOOGLE_MAGIC', 0xE6359A60);
- function zeroFill($a, $b)
- {
- $z = hexdec(80000000);
- if ($z & $a)
- {
- $a = ($a>>1);
- $a &= (~$z);
- $a |= 0x40000000;
- $a = ($a>>($b-1));
- }
- else
- {
- $a = ($a>>$b);
- }
- return $a;
- }
function mix($a,$b,$c) - {
- $a -= $b; $a -= $c; $a ^= (zeroFill($c,13));
- $b -= $c; $b -= $a; $b ^= ($a<<8);
- $c -= $a; $c -= $b; $c ^= (zeroFill($b,13));
- $a -= $b; $a -= $c; $a ^= (zeroFill($c,12));
- $b -= $c; $b -= $a; $b ^= ($a<<16);
- $c -= $a; $c -= $b; $c ^= (zeroFill($b,5));
- $a -= $b; $a -= $c; $a ^= (zeroFill($c,3));
- $b -= $c; $b -= $a; $b ^= ($a<<10);
- $c -= $a; $c -= $b; $c ^= (zeroFill($b,15));
- return array($a,$b,$c);
- }
function GoogleCH($url, $length=null, $init=GOOGLE_MAGIC) - {
- if(is_null($length))
- {
- $length = sizeof($url);
- }
- $a = $b = 0x9E3779B9;
- $c = $init;
- $k = 0;
- $len = $length;
- while($len >= 12)
- {
- $a += ($url[$k+0] +($url[$k+1]<<8) +($url[$k+2]<<16) +($url[$k+3]<<24));
- $b += ($url[$k+4] +($url[$k+5]<<8) +($url[$k+6]<<16) +($url[$k+7]<<24));
- $c += ($url[$k+8] +($url[$k+9]<<8) +($url[$k+10]<<16)+($url[$k+11]<<24));
- $mix = mix($a,$b,$c);
- $a = $mix[0]; $b = $mix[1]; $c = $mix[2];
- $k += 12;
- $len -= 12;
- }
$c += $length; - switch($len)
- {
- case 11: $c+=($url[$k+10]<<24);
- case 10: $c+=($url[$k+9]<<16);
- case 9 : $c+=($url[$k+8]<<8);
- case 8 : $b+=($url[$k+7]<<24);
- case 7 : $b+=($url[$k+6]<<16);
- case 6 : $b+=($url[$k+5]<<8);
- case 5 : $b+=($url[$k+4]);
- case 4 : $a+=($url[$k+3]<<24);
- case 3 : $a+=($url[$k+2]<<16);
- case 2 : $a+=($url[$k+1]<<8);
- case 1 : $a+=($url[$k+0]);
- }
- $mix = mix($a,$b,$c);
- return $mix[2];
- }
function strord($string) { - for($i=0;$i$result[$i] = ord($string{$i});
- }
- return $result;
- }
function ReadPR($link) - {
- $fp = fsockopen ("www.google.com", 80, $errno, $errstr, 30);
if (!$fp) - {
- echo "$errstr ($errno)\n";
- exit(1);
- }
- else
- {
- $out = "GET $link HTTP/1.0\r\n";
- $out .= "Host: toolbarqueries.google.com\r\n";
- $out .= "User-Agent: Mozilla/4.0 (compatible; GoogleToolbar 2.0.114.9-big; Linux 2.6)\r\n";
- $out .= "Connection: Close\r\n\r\n";
- fwrite($fp, $out);
do{ - $line = fgets($fp, 128);
- }while ($line !== "\r\n");
- $data = fread($fp,8192);
- fclose ($fp);
- return $data;
- }
- }
function GetPR($url) - {
- $url ='info:'.$url;
- $ch = GoogleCH(strord($url));
- $data = ReadPR("/search?client=navclient-auto&ch=6$ch&features=Rank&q=$url");
- $rankarray = explode (':', $data);
- return $rankarray[2];
- }
if ( isset($_POST['url']) && $_POST['url'] !== '' ) - {
- echo 'PageRank: '.GetPR($_POST['url']);
- }
- ?>
- Google PR值查询
- Google PR值查询 获取源代码
|
