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How to determine Google Rank in PHP  

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Hans
 Hans
(@hans)
Noble Member Admin
Joined: 7 years ago
Posts: 1437
October 3, 2015 3:32 AM  

Google appears to have no API to retrieve the Google rank of your website, but with a little PHP Helper class, we can retrieve this very quick.

First create a file called "prclass.php" with the following content:

<?php
class GooglePR {
 public function get_google_pagerank($url) {
  $query="http://toolbarqueries.google.com/tbr?client=navclient-auto&ch=".$this->CheckHash($this->HashURL($url)). "&features=Rank&q=info:".$url."&num=100&filter=0";
  $data=file_get_contents($query);
  $pos = strpos($data, "Rank_");
  if($pos === false) {} else {
   $pagerank = substr($data, $pos + 9);
   return $pagerank;
  }
 }
 public function StrToNum($Str, $Check, $Magic) {
  $Int32Unit = 4294967296; // 2^32
  $length = strlen($Str);
  for ($i = 0; $i < $length; $i++) {
   $Check *= $Magic;
   if ($Check >= $Int32Unit) {
    $Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit));
    $Check = ($Check < -2147483648) ? ($Check + $Int32Unit) : $Check;
   }
   $Check += ord($Str{$i});
  }
  return $Check;
 }
 public function HashURL($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 | $T2);
 }
 public function CheckHash($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;
 }
}
?>

and to test this code:

<?
require("prclass.php");
$url='//www.tweaking4all.nl';
$pr = new GooglePR();
echo "$url has Google PageRank: ". $pr->get_google_pagerank($url) ;
?>

I found this code on the Internet, so it's not my work.

Original source: 99webtools.com


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Hans
 Hans
(@hans)
Noble Member Admin
Joined: 7 years ago
Posts: 1437
October 3, 2015 3:36 AM  

For convenience, the 2 files in a ZIP so you can download it if you'd like.


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Hans
 Hans
(@hans)
Noble Member Admin
Joined: 7 years ago
Posts: 1437
October 4, 2015 2:57 AM  

I decided to write an article about this, using Google and Alexa ranking in WordPress.


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