PHP script to check domain website Google PR

netdepviet

Google support open API allow us to check Google PR of website/domain name.

1. <?php
   
2.   class PR {
   
3. public function get_google_pagerank($url) {
   
4. $query="http://toolbarqueries.google.com/tbr?client=navclient-auto&ch=".$this->CheckHash($this->HashURL($url)). "&features=Rank&q=info:".$url."&num=100&filter=0";
   
5. $data=file_get_contents($query);
   
6. $pos = strpos($data, "Rank_");
   
7. if($pos === false){} else{
   
8. $pagerank = substr($data, $pos + 9);
   
9. return $pagerank;
   
10. }
    
11. }
    
12. public function StrToNum($Str, $Check, $Magic)
    
13. {
    
14. $Int32Unit = 4294967296; // 2^32
    
15. $length = strlen($Str);
    
16. for ($i = 0; $i < $length; $i++) {
    
17. $Check *= $Magic;
    
18. if ($Check >= $Int32Unit) {
    
19. $Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit));
    
20. $Check = ($Check < -2147483648) ? ($Check + $Int32Unit) : $Check;
    
21. }
    
22. $Check += ord($Str{$i});
    
23. }
    
24. return $Check;
    
25. }
    
26. public function HashURL($String)
    
27. {
    
28. $Check1 = $this->StrToNum($String, 0x1505, 0x21);
    
29. $Check2 = $this->StrToNum($String, 0, 0x1003F);
    
30. $Check1 >>= 2;
    
31. $Check1 = (($Check1 >> 4) & 0x3FFFFC0 ) | ($Check1 & 0x3F);
    
32. $Check1 = (($Check1 >> 4) & 0x3FFC00 ) | ($Check1 & 0x3FF);
    
33. $Check1 = (($Check1 >> 4) & 0x3C000 ) | ($Check1 & 0x3FFF);
    
34. $T1 = (((($Check1 & 0x3C0) << 4) | ($Check1 & 0x3C)) <<2 ) | ($Check2 & 0xF0F );
    
35. $T2 = (((($Check1 & 0xFFFFC000) << 4) | ($Check1 & 0x3C00)) << 0xA) | ($Check2 & 0xF0F0000 );
    
36. return ($T1 | $T2);
    
37. }
    
38. public function CheckHash($Hashnum)
    
39. {
    
40. $CheckByte = 0;
    
41. $Flag = 0;
    
42. $HashStr = sprintf('%u', $Hashnum) ;
    
43. $length = strlen($HashStr);
    
44. for ($i = $length - 1; $i >= 0; $i --) {
    
45. $Re = $HashStr{$i};
    
46. if (1 === ($Flag % 2)) {
    
47. $Re += $Re;
    
48. $Re = (int)($Re / 10) + ($Re % 10);
    
49. }
    
50. $CheckByte += $Re;
    
51. $Flag ++;
    
52. }
    
53. $CheckByte %= 10;
    
54. if (0 !== $CheckByte) {
    
55. $CheckByte = 10 - $CheckByte;
    
56. if (1 === ($Flag % 2) ) {
    
57. if (1 === ($CheckByte % 2)) {
    
58. $CheckByte += 9;
    
59. }
    
60. $CheckByte >>= 1;
    
61. }
    
62. }
    
63. return '7'.$CheckByte.$HashStr;
    
64. }
    
65. }
    
66. ?>

Sao chép mã

Save the code as: PRclass.php
Then you can build PRchecker yourself .

1. 
   
2. <?
   
3. require("PRclass.php");
   
4. $url='netdepviet.org';
   
5. $pr = new PR();
   
6. echo "$url has Google PageRank: <b>". $pr->get_google_pagerank($url)."</b>" ;
   
7. ?>
   

Sao chép mã