在线查询Google PR值的PHP代码

3. /**

4. * 获取Google PR值
5. * by bbs.it-home.org
6. */
7. define('GOOGLE_MAGIC', 0xE6359A60);
8. function zeroFill($a, $b)
9. {
10. $z = hexdec(80000000);
11. if ($z & $a)
12. {
13. $a = ($a>>1);
14. $a &= (~$z);
15. $a |= 0x40000000;
16. $a = ($a>>($b-1));
17. }
18. else
19. {
20. $a = ($a>>$b);
21. }
22. return $a;
23. }

24. function mix($a,$b,$c)

25. {
26. $a -= $b; $a -= $c; $a ^= (zeroFill($c,13));
27. $b -= $c; $b -= $a; $b ^= ($a$c -= $a; $c -= $b; $c ^= (zeroFill($b,13));
28. $a -= $b; $a -= $c; $a ^= (zeroFill($c,12));
29. $b -= $c; $b -= $a; $b ^= ($a$c -= $a; $c -= $b; $c ^= (zeroFill($b,5));
30. $a -= $b; $a -= $c; $a ^= (zeroFill($c,3));
31. $b -= $c; $b -= $a; $b ^= ($a$c -= $a; $c -= $b; $c ^= (zeroFill($b,15));
32. return array($a,$b,$c);
33. }

34. function GoogleCH($url, $length=null, $init=GOOGLE_MAGIC)

35. {
36. if(is_null($length))
37. {
38. $length = sizeof($url);
39. }
40. $a = $b = 0x9E3779B9;
41. $c = $init;
42. $k = 0;
43. $len = $length;
44. while($len >= 12)
45. {
46. $a += ($url[$k+0] +($url[$k+1]$b += ($url[$k+4] +($url[$k+5]$c += ($url[$k+8] +($url[$k+9]$mix = mix($a,$b,$c);
47. $a = $mix[0]; $b = $mix[1]; $c = $mix[2];
48. $k += 12;
49. $len -= 12;
50. }

51. $c += $length;

52. switch($len)
53. {
54. case 11: $c+=($url[$k+10]case 10: $c+=($url[$k+9]case 9 : $c+=($url[$k+8]case 8 : $b+=($url[$k+7]case 7 : $b+=($url[$k+6]case 6 : $b+=($url[$k+5]case 5 : $b+=($url[$k+4]);
55. case 4 : $a+=($url[$k+3]case 3 : $a+=($url[$k+2]case 2 : $a+=($url[$k+1]case 1 : $a+=($url[$k+0]);
56. }
57. $mix = mix($a,$b,$c);
58. return $mix[2];
59. }

60. function strord($string) {

61. for($i=0;$i$result[$i] = ord($string{$i});
62. }
63. return $result;
64. }

65. function ReadPR($link)

66. {
67. $fp = fsockopen ("www.google.com", 80, $errno, $errstr, 30);

68. if (!$fp)

69. {
70. echo "$errstr ($errno)\n";
71. exit(1);
72. }
73. else
74. {
75. $out = "GET $link HTTP/1.0\r\n";
76. $out .= "Host: toolbarqueries.google.com\r\n";
77. $out .= "User-Agent: Mozilla/4.0 (compatible; GoogleToolbar 2.0.114.9-big; Linux 2.6)\r\n";
78. $out .= "Connection: Close\r\n\r\n";
79. fwrite($fp, $out);

80. do{

81. $line = fgets($fp, 128);
82. }while ($line !== "\r\n");
83. $data = fread($fp,8192);
84. fclose ($fp);
85. return $data;
86. }
87. }

88. function GetPR($url)

89. {
90. $url ='info:'.$url;
91. $ch = GoogleCH(strord($url));
92. $data = ReadPR("/search?client=navclient-auto&ch=6$ch&features=Rank&q=$url");
93. $rankarray = explode (':', $data);
94. return $rankarray[2];
95. }

96. if ( isset($_POST['url']) && $_POST['url'] !== '' )

97. {
98. echo 'PageRank: '.GetPR($_POST['url']);
99. }
100. ?>
102. Google PR值查询 获取源代码

103. 
     

     URL:

复制代码