use php to get google page rank

<?php
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;
}
 
//--> for google pagerank
/*
* 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 | $T2);
}
   //--> for google pagerank
/*
* genearate a checksum for the hash string
*/
function CheckHash($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;
}
        //get google pagerank
function getpagerank($url) {
    $query="http://toolbarqueries.google.com/search?client=navclient-auto&ch=".CheckHash(HashURL($url)). "&features=Rank&q=info:".$url."&num=100&filter=0";
    $data=file_get_contents_curl($query);
    //print_r($data);
    $pos = strpos($data, "Rank_");
    if($pos === false){} else{
        $pagerank = substr($data, $pos + 9);
        return $pagerank;
    }
}
function file_get_contents_curl($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;
}
?>

<?php
include "pr.php";
$url='http://www.brightyoursite.com';
echo "$url  PR is ". getPagerank($url) ;
?>

16 Responses to “use php to get google page rank”

1. SEOMaster says:

   June 2, 2010 at 7:34 am

   This is a superb post use php to get google page rank.
   But I was wondering how do I suscribe to the RSS feed?
2. admin says:

   June 2, 2010 at 10:15 am

   if you need such a script just contact me
3. Autism Symptoms says:

   June 13, 2010 at 7:34 pm

   I’ve recently started a blog, the information you provide on this site has helped me tremendously. Thank you for all of your time & work.
4. Medical Jobs says:

   June 14, 2010 at 11:24 pm

   My cousin recommended this blog and she was totally right keep up the fantastic work!
5. jtGraphic: James Thompson says:

   June 25, 2010 at 1:16 pm

   I’m getting a 403 forbidden return when I run this (no pr output). Thoughts?

   URL of the script: http://jtgraphic.net/test/pr.php?url=http://www.brightyoursite.com

   I’m doing a print_r on data for now.
6. admin says:

   June 26, 2010 at 3:46 am

   http://www.brightyoursite.com/demo/pr/test.php the demo it’s works fine in my project not sure whats wrong with you
7. physical therapist says:

   June 29, 2010 at 5:07 am

   This is such a great resource that you are providing and you give it away for free. I enjoy seeing websites that understand the value of providing a prime resource for free. I truly loved reading your post. Thanks!
8. Wordpress Themes says:

   June 30, 2010 at 9:31 am

   Good fill someone in on and this enter helped me alot in my college assignement. Thanks you as your information.
9. Chad Kucan says:

   July 13, 2010 at 9:12 pm

   It was very helpfull thank you so much for sharing. I will share it with my friends. Thanks
10. Tyron Bejil says:

    July 13, 2010 at 10:29 pm

    thanks!You made some good points there. I did a search on the topic and found most people will agree with your blog
11. Using PHP to retrieve the Google Pagerank of any domain | Luc De Brouwer says:

    July 13, 2010 at 10:30 pm

    [...] I found one that was fast, efficient and didn’t drain the server’s resources.I found it at brightyoursite.com but since I use CodeIgniter for most of my PHP work I decided to rewrite it to a class and clean it [...]
12. Esteban Lybrand says:

    July 13, 2010 at 10:48 pm

    Thanks, you guys explained everthing I needed to know and very quicly 10 out of 10!
13. Bennie Gonsiewski says:

    July 13, 2010 at 10:54 pm

    You wrote very interesting post i love your blog it contains very informative article i will share it with my friends.
14. eSash says:

    July 16, 2010 at 6:59 pm

    it was very interesting to read.
    I want to quote your post in my blog. It can?
    And you et an account on Twitter?
15. Diminished Value Car says:

    July 19, 2010 at 7:51 am

    [...] I found one that was fast, efficient and didn’t drain the server’s resources.I found it at brightyoursite.com but since I use CodeIgniter for most of my PHP work I decided to rewrite it to a class and clean it [...]
    +1
16. admin says:

    July 19, 2010 at 9:06 pm

    it was very interesting to read.
    I want to quote your post in my blog. It can?
    And you et an account on Twitter?

    yes you can but need point out the reference link

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