Google PageRank Not Working

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Google PageRank Not Working

Postby iHerts » Wed Sep 07, 2011 8:50 am

Hi people,

Some arfooo directory users may have noticed that the google page rank does not always work,

Open components/GooglePageRanker.php

Replace code with the following -

Code: Select all
<?php

/*
   Original version of the script found at http://www.brightyoursite.com/blog/2010/06/01/use-php-to-get-google-page-rank/
*/

class GooglePageRanker {

   function StrToNum($Str, $Check, $Magic)
   {
      $Int32Unit = 4294967296;  // 2^32
      $length = strlen($Str);
      for ($i = 0; $i < $length; $i++) {
         $Check *= $Magic;
         /*   If the float is beyond the boundaries of integer (usually +/- 2.15e+9 = 2^31),
            the result of converting to integer is undefined
            refer to http://www.php.net/manual/en/language.types.integer.php   */
         if ($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;
   }

   // Generate a proper hash for an url
   function HashURL($String)
   {
      $Check1 = $this->StrToNum($String, 0x1505, 0x21);
      $Check2 = $this->StrToNum($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);
   }

   // Generate a checksum for the hash
   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;
   }

   // Get the Google Pagerank
   function getPagerank($url) {
      $query = "http://toolbarqueries.google.com/search?client=navclient-auto&ch=" . $this->CheckHash($this->HashURL($url)) . "&features=Rank&q=info:" . $url . "&num=100&filter=0";
      $data = $this->file_get_contents_curl($query);
      $pos = strpos($data, "Rank_");
      if($pos !== false){
         $pagerank = substr($data, $pos + 9);
         return trim($pagerank);
      }
   }

   // Use curl the get the file contents
   function file_get_contents_curl($url) {
      $ch = curl_init();
      curl_setopt($ch, CURLOPT_HEADER, 0);
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // Set curl to return the data instead of printing it to the browser.
      curl_setopt($ch, CURLOPT_URL, $url);
      $data = curl_exec($ch);
      curl_close($ch);
      return $data;
   }
}



You will need to login into admin acp & run the template & google cache.

Please note that this will clear all your pageranks in the 'top pagerank' pages.

Visit a site details page to see if the pagerank is correct, It also loads alot faster.

If any probs, Just go back to the old code.
iHerts
 
Posts: 59
Joined: Fri Apr 01, 2011 5:31 pm
Location: United Kingdom

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