The latest Google PR query tool Googlech function core code

Source: Internet
Author: User
Tags foreach array hash numeric value printf query sprintf client

From foreign programming Development Technology Forum code, the latest Google PR query tool Googlech function core code, get the latest Google PR value.

The code is as follows.

[code]<?php
Define (' Google_magic ', 0xe6359a60);
function OBTAINPR ($data)
{
$ret = Array ();
$parser = Xml_parser_create ();
Xml_parser_set_option ($parser, xml_option_case_folding,0);
Xml_parser_set_option ($parser, xml_option_skip_white,1);
Xml_parse_into_struct ($parser, $data, $values, $tags);
Xml_parser_free ($parser);
$hash _stack = Array ();
foreach ($values as $key => $val)
{
Switch ($val [' type '])
{
Case ' complete ':
Array_push ($hash _stack, $val [' tag ']);
$type = Implode ($hash _stack, "] [");
if ($type = = "RK")
{
$PageRank = $val [value];
}
Array_pop ($hash _stack);
Break
}//swhitch
}//foreach

return $PageRank;
}//obtainpr

//unsigned Shift Right
function Zerofill ($a, $b)
{
    $z = Hexdec (80000000);
 &nb sp;      if ($z & $a)
        {
  & nbsp;         $a = ($a >>1);
            $a &= (~ $z);
            $a = 0x40000000;
            $a = ($a >> ($b-1));
       }
        Else
        {
             $a = ($a >> $b);
       }
        return $a;
}

function Mix ($a, $b, $c) {
$a-= $b; $a-= $c; $a ^= (Zerofill ($c, 13));
$b-= $c; $b-= $a; $b ^= ($a <<8);
$c-= $a; $c-= $b; $c ^= (Zerofill ($b, 13));
$a-= $b; $a-= $c; $a ^= (Zerofill ($c, 12));
$b-= $c; $b-= $a; $b ^= ($a <<16);
$c-= $a; $c-= $b; $c ^= (Zerofill ($b, 5));
$a-= $b; $a-= $c; $a ^= (Zerofill ($c, 3));
$b-= $c; $b-= $a; $b ^= ($a <<10);
$c-= $a; $c-= $b; $c ^= (Zerofill ($b, 15));

Return Array ($a, $b, $c);
}

function Googlech ($url, $length =null, $init =google_magic) {
if (Is_null ($length)) {
$length = sizeof ($url);
}
$a = $b = 0X9E3779B9;
$c = $init;
$k = 0;
$len = $length;
while ($len >= 12) {
$a + + ($url [$k +0] + ($url [$k +1]<<8) + ($url [+2]<<16) + ($k [$url +3]<<24)];
$b + + ($url [$k +4] + ($url [$k +5]<<8) + ($url [+6]<<16) + ($k [$url +7]<<24)];
$c + + ($url [$k +8] + ($url [$k +9]<<8) + ($url [+10]<<16) + ($k [$url +11]<<24)];
$mix = Mix ($a, $b, $c);
$a = $mix [0]; $b = $mix [1]; $c = $mix [2];
$k + 12;
$len-= 12;
}
$c + + $length;
Switch ($len)/* All statements fall through * *
{
Case: $c + + ($url [$k +10]<<24);
Case: $c + + ($url [$k +9]<<16);
Case 9: $c + + ($url [$k +8]<<8);
/* the ' the ' of ' C is ' reserved for the length * *
Case 8: $b + + ($url [$k +7]<<24);
Case 7: $b + + ($url [$k +6]<<16);
Case 6: $b + + ($url [$k +5]<<8);
Case 5: $b + + ($url [$k +4]);
Case 4: $a + + ($url [$k +3]<<24);
Case 3: $a + + ($url [$k +2]<<16);
Case 2: $a + + ($url [$k +1]<<8);
Case 1: $a + + ($url [$k +0]);
/* Case 0:nothing left to add * *
}
$mix = Mix ($a, $b, $c);
* *--------------------------------------------The result
return $mix [2];
}

Converts a string into an array of integers containing the numeric value of the Char
function Strord ($string) {
for ($i =0; $i <strlen ($string); $i + +) {
$result [$i] = Ord ($string {$i});
}
return $result;
}

Converts an array of the bit integers into a array with 8 bit values. Equivalent to (BYTE *) Arr32
function C32to8bit ($arr 32) {
for ($i =0; $i <count ($arr); $i + +) {
for ($bitOrder = $i *4; $bitOrder <= $i *4+3; $bitOrder + +) {
$arr 8[$bitOrder]= $arr 32[$i]&255;
$arr 32[$i]=zerofill ($arr 32[$i], 8);
}
}
return $arr 8;
}

http://www.example.com/-checksum:6540747202

Print ("<b>url ... $url </b>\n");
$url = ' info: '. $url;
$ch = Googlech (Strord ($url));
$url _to_parse = sprintf ("http://toolbarqueries.google.com/search?client=navclient-auto&ch=6%u&ie= utf-8&oe=utf-8&q=%s ", $ch, $url);
$value = OBTAINPR (file_get_contents ($url _to_parse));
printf (<li> <u>checksum <2.0.114:</u> ...). 6%u ... <a href= $url _to_parse>link</a> .... PR = $value \ n ", $ch);
$ch =sprintf ("%u", $ch);
//New since Toolbar 2.0.114

$ch = ((($ch/7) << 2) (((int) fmod ($ch)));
$prbuf = Array ();
$prbuf [0] = $ch;
for ($i = 1; $i < $i + +) {
$prbuf [$i] = $prbuf [$i -1]-9;
}
$ch = Googlech (C32to8bit ($PRBUF), 80);
$url _to_parse = sprintf ("http://toolbarqueries.google.com/search?client=navclient-auto&ch=6%u&ie=UTF-8 &oe=utf-8&q=%s ", $ch, $url);
$value = OBTAINPR (file_get_contents ($url _to_parse));
//
printf ("<li> <u>checksum >=2.0.114:</u> ..... 6%u ... <a href= $url _to_parse>link</a> .... PR = $value \ n ", $ch);
? >[/code]



Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.