<?php
$tempurls= "http://www.int24.com.pl";       // twój adres strony
$pieces = explode("\n", $tempurls);             // znalezienie wszystkich zgłoszonych adresów URL
$size=sizeof($pieces);            // tablica wielkości wykorzystana do pętli na końcu programu

    // ustawienia - hosta i użytkownika
$googlehost='toolbarqueries.google.com';
$googleua='Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.6) Gecko/20060728 Firefox/1.5';

    // konwertować ciąg znaków do 32-bit
function StrToNum($Str, $Check, $Magic) {
    $Int32Unit = 4294967296;  // 2^32

    $length = strlen($Str);
    for ($i = 0; $i < $length; $i++) {
          $Check *= $Magic;
// jeśli liczba zmiennoprzecinkowa jest poza zakresem liczb całkowitych, (zazwyczaj +/- 2.15e+9 = 2^31),
// w wyniku konwersji do liczb całkowitych jest niezdefiniowany
// odnoszą się do http://www.php.net/manual/en/language.types.integer.php
          if ($Check >= $Int32Unit) {
               $Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit));
// if the check less than -2^31
               $Check = ($Check < -2147483648) ? ($Check + $Int32Unit) : $Check;
          }
          $Check += ord($Str{$i});
      }
      return $Check;
}

// genearate a hash for a url
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);
}

// genearate a checksum for the hash string
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;
}

// return the pagerank checksum hash
function getch($url) { return CheckHash(HashURL($url)); }

// zwrot formy pagerank
function getpr($url) {
global $googlehost,$googleua;
$ch = getch($url);
$fp = fsockopen($googlehost, 80, $errno, $errstr, 30);
if ($fp) {
$out = "GET /search?client=navclient-auto&ch=$ch&features=Rank&q=info:$url HTTP/1.1\r\n";
// echo "<pre>$out</pre>\n"; //debug only
$out .= "User-Agent: $googleua\r\n";
$out .= "Host: $googlehost\r\n";
$out .= "Connection: Close\r\n\r\n";

fwrite($fp, $out);

// $pagerank = substr(fgets($fp, 128), 4); // debug only
// echo $pagerank; // debug only
while (!feof($fp)) {
$data = fgets($fp, 128);
// echo $data;
$pos = strpos($data, "Rank_");
if($pos === false){} else{
$pr=substr($data, $pos + 9);
$pr=trim($pr);
$pr=str_replace("\n",'',$pr);
return $pr;
            }
       }
// else { echo "$errstr ($errno)<br />\n"; } // debug only
fclose($fp);
   }
}

// wygenerować graficzny pagerank
function pagerank($url,$width=40,$method='style') {
if (!preg_match('/^(http:\/\/)?([^\/]+)/i', $url)) { $url='http://'.$url; }
$pr=getpr($url);
$pagerank="PageRank: $pr/10";

// metoda graficzna
if ($method == 'image') {
$prpos=$width*$pr/10;
$prneg=$width-$prpos;
$html='<img src="http://www.google.com/images/pos.gif" width='.$prpos.' height=3 border=0 alt="'.$pagerank.'"><img src="http://www.google.com/images/neg.gif" width='.$prneg.' height=3 border=0 alt="'.$pagerank.'">';
   }
// wstępne metody stylizujące
if ($method == 'style') {
$prpercent=100*$pr/10;
$html='<div style="padding-top:6px; margin-left:34px"><div style="float:left; position: relative; width: '.$width.'px; padding: 0; background: #d9d9d9;"><strong style="width: '.$prpercent.'%; display: block; position: relative; background: red; text-align: center; color: #333; height: 3px; line-height: 40px;"><span></span></strong></div>';
   }
echo "<div style=\"background-image: url(http://www.int24.com.pl/image/page_rank.gif); width:80px; height:15px\" alt=\"$pagerank\" title=\"$pagerank\">";
echo "<div style=\"float:left; padding-left:2px; padding-top:1px\">";
echo "<font style=\"font-size:10px; font-family: Tahoma; font-weight: bold;\">";
$out='<a href="'.$url.'" title="'.$pagerank.'"></div>'.$html.'';
echo "<span style=\"margin-left: 66px; color: #800000 \">$pr</span></a></font></div></div>";

}

// do pętli na znalezienie PageRank adresu
      for ($j=0; $j<$size; $j++)
      {
      $url=$pieces[$j];
      echo pagerank($pieces[$j]);
      }
?>