Bueno encontre algo interesante en la web del programador
Sirve para ver el pagerank de una web determinada.
Esta formado de este manera: dos formularios .php
El primero: index.php
Este sera en el que se ingresa la web, que le pide al otro formulario que le devuelva el pagerank:
<?php
include("check_pr.php");
$dominio = "aca va la web a comprobar";
$pagerank = get_page_rank($dominio);
echo "El PageRank de ".$dominio.": ".$pagerank;
?>
El Segundo: check_pr.php
Este es el que comprueba el pagerank de la web:
<?php
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 toInt32(& $x){
$z = hexdec(80000000);
$y = (int)$x;
if($y==-$z&&$x<-$z){
$y = (int)((-1)*$x);
$y = (-1)*$y;
}
$x = $y;
}
function mix($a,$b,$c)
{
$a -= $b; $a -= $c; toInt32($a); $a = (int)($a ^ (zeroFill($c,13)));
$b -= $c; $b -= $a; toInt32($b); $b = (int)($b ^ ($a<<8));
$c -= $a; $c -= $b; toInt32($c); $c = (int)($c ^ (zeroFill($b,13)));
$a -= $b; $a -= $c; toInt32($a); $a = (int)($a ^ (zeroFill($c,12)));
$b -= $c; $b -= $a; toInt32($b); $b = (int)($b ^ ($a<<16));
$c -= $a; $c -= $b; toInt32($c); $c = (int)($c ^ (zeroFill($b,5)));
$a -= $b; $a -= $c; toInt32($a); $a = (int)($a ^ (zeroFill($c,3)));
$b -= $c; $b -= $a; toInt32($b); $b = (int)($b ^ ($a<<10));
$c -= $a; $c -= $b; toInt32($c); $c = (int)($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) /* all the case statements fall through */
{
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]);
/* case 0: nothing left to add */
}
$mix = mix($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 $result;
}
function get_page_rank($url)
{
$url = preg_replace('/\?.*$/','?',$url);
$reqgr = "info:".$url;
$reqgre = "info:".urlencode($url);
$gch = "6".GoogleCH(strord($reqgr));
$fsock = fsockopen('toolbarqueries.google.com', 80, $errno, $errstr);
if ( !$fsock ){
echo 'Can not connect to server';
return -1;
}
$base_get = "/search?client=navclient-auto&ch=".$gch."&ie=UTF-8&oe=UTF-8&features=Rank:FVN&q=".$reqgre;
fputs($fsock, "GET $base_get HTTP/1.1\r\n");
fputs($fsock, "HOST: toolbarqueries.google.com\r\n");
fputs($fsock, "User-Agent: Mozilla/4.0 (compatible; GoogleToolbar 2.0.114-big; Windows XP 5.1)\r\n");
fputs($fsock, "Connection: close\r\n\r\n");
while(!feof($fsock)){
$res['content'] .= fread($fsock, 1024);
}
fclose($fsock);
if(preg_match('/Rank_.*?:.*?:(\d+)/i', $res['content'], $m)){
return $m[1];
}else{
return -1;
}
}
?>
*
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