<?php
define('GOOGLE_MAGIC', 0xE6359A60);
class pageRank{
var $pr;
function zeroFill($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; $a ^= ($this->zeroFill($c,13));
?? $b -= $c; $b -= $a; $b ^= ($a<<8);
?? $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,13));
?? $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,12));
?? $b -= $c; $b -= $a; $b ^= ($a<<16);
?? $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,5));
?? $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,3));
?? $b -= $c; $b -= $a; $b ^= ($a<<10);
?? $c -= $a; $c -= $b; $c ^= ($this->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 = $this->mix($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);
?? /* the first byte of c is reserved for the length */
?? 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 = $this->mix($a,$b,$c);
/* report the result */
return $mix[2];
}
//converts a string into an array of integers containing the numeric value of the char
function strord($string) {
??for($i=0;$i<strlen($string);$i++) {
?? $result[$i] = ord($string{$i});
??}
return $result;
}
function printrank($url){
??$ch = "6".$this->GoogleCH($this->strord("info:" . $url));
??
??$fp = fsockopen("www.google.com", 80, $errno, $errstr, 30);
??if (!$fp) {
???? echo "$errstr ($errno)<br />\n";
??} else {
???? $out = "GET /search?client=navclient-auto&ch=" . $ch .??"&features=Rank&q=info:" . $url . " 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);
?????????? $this->pr_image($pagerank);
???????? }
???? }
???? fclose($fp);
??}
}
//display pagerank image. Create your own or download images I made for this script.
If you make your own make sure to call them pr0.gif, pr1.gif, pr2.gif etc.
function pr_image($pagerank){
$this->pr = $pagerank;
}
function get_pr() {
return "/path/to/images/pagerank" . $this->pr . ".gif";
}
}
$img = $gpr->get_pr();
immagine = imagecreatefromgif($img);
header("Content-Type: image/gif");
imagegif($immagine);
14-05-2007, 22:26
