[php]skrypt pagerank

Języki, których efekty są wykonywane po stronie serwera. PHP, ASP czy CGI w połączeniu z bazami danych SQL dają niezwykłe możliwości budowy i zarządzania stron WWW. Tu zadajemy pytania oraz demonstrujemy kod, z którym mamy problem.
jj09
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Rejestracja: śr gru 01, 2004 10:13 pm
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[php]skrypt pagerank

Post autor: jj09 »

Witam mam 2 skrypty page rank i oba źle działają.

Skrypt 1
[php]<?php
// php Google PageRank Calculator Script
// -------------------------- April 2005
// Contact author: [email protected]

// for updates, visit:
// http://www.googlecommunity.com/scripts/ ... gerank.php

// provided by www.GoogleCommunity.com
// an unofficial community of Google fans
// ---------------------------------------

// Instructions
// Upload pagerank.php to your server
// Call it like this: http://www.example.com/pagerank.php?url ... yahoo.com/
// example.com is your website. yahoo.com is the website to get the PR of
// The code below displays the PR for $url

/*
This code is released unto the public domain
*/
//header("Content-Type: text/plain; charset=utf-8");
define('GOOGLE_MAGIC', 0xE6359A60);

//unsigned shift right
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) /* 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 getrank($url) {
$url = 'info:'.$url;
$ch = GoogleCH(strord($url));
$file = "http://www.google.com/search?client=nav ... ank&q=$url";
$data = file($file);
$rankarray = explode (':', $data[2]);
$rank = $rankarray[2];
return $rank;
}

echo 'PageRank: '.getrank($_REQUEST["REQUEST_URI"]).'<br /><small>provided by <a href="http://www.googlecommunity.com/" target="_blank">Google Community.com</a></small>';

?>[/php]

pokazuje coś takiego:
Warning: file(http://www.google.com/search?client=nav ... ank&q=info:) [function.file]: failed to open stream: HTTP request failed! HTTP/1.0 403 Forbidden in /home/dsj/domains/dsj-online.pl/public_html/pagerank.php on line 109

**********************************************************************

Skrypt 2
[php]

<?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 _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;$i < strlen($string);$i++)
$result[$i] = ord($string{$i});
return $result;
}

function getPageRank($url){
$pagerank = -1;
$ch = "6"._GoogleCH(_strord("info:" . $url));
$fp = fsockopen("www.google.com", 80, $errno, $errstr, 30);
if($fp){
$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, $pos + 9);
}
fclose($fp);
}
return $pagerank;
}

?>

[/php]

dla wszystkich stron pokazuje pagerank = -1

Proszę o pomoc przy którymś ze skryptów.
ODPOWIEDZ