Rumah php教程 php手册 最新Google PR查询工具GoogleCH函数核心代码

最新Google PR查询工具GoogleCH函数核心代码

Jun 21, 2016 am 08:56 AM

取自国外编程开发技术论坛里的代码,最新Google PR查询工具GoogleCH函数核心代码,获取最新的GOOGLE PR值.

代码如下.

[code] 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)
{
    $z = hexdec(80000000);
        if ($z & $a)
        {
            $a = ($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   $c -= $a; $c -= $b; $c ^= (zeroFill($b,13));
  $a -= $b; $a -= $c; $a ^= (zeroFill($c,12));
  $b -= $c; $b -= $a; $b ^= ($a   $c -= $a; $c -= $b; $c ^= (zeroFill($b,5));
  $a -= $b; $a -= $c; $a ^= (zeroFill($c,3)); 
  $b -= $c; $b -= $a; $b ^= ($a   $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]         $b += ($url[$k+4] +($url[$k+5]         $c += ($url[$k+8] +($url[$k+9]         $mix = mix($a,$b,$c);
        $a = $mix[0]; $b = $mix[1]; $c = $mix[2];
        $k += 12;
        $len -= 12;
    }
    $c += $length;
    switch($len)              /* all the case statements fall through */
    {
        case 11: $c+=($url[$k+10]         case 10: $c+=($url[$k+9]         case 9 : $c+=($url[$k+8]           /* the first byte of c is reserved for the length */
        case 8 : $b+=($url[$k+7]         case 7 : $b+=($url[$k+6]         case 6 : $b+=($url[$k+5]         case 5 : $b+=($url[$k+4]);
        case 4 : $a+=($url[$k+3]         case 3 : $a+=($url[$k+2]         case 2 : $a+=($url[$k+1]         case 1 : $a+=($url[$k+0]);
         /* case 0: nothing left to add */
    }
    $mix = mix($a,$b,$c);
    /*-------------------------------------------- report 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         $result[$i] = ord($string{$i});
    }
    return $result;
}

// converts an array of 32 bit integers into an array with 8 bit values. Equivalent to (BYTE *)arr32
function c32to8bit($arr32) {
    for($i=0;$i         for ($bitOrder=$i*4;$bitOrder             $arr8[$bitOrder]=$arr32[$i]&255;
            $arr32[$i]=zeroFill($arr32[$i], 8);
        }   
    }
    return $arr8;
}

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

print("URL .... $url\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("

  • Checksum ..... 6%u ...... link .... PR = $value\n",$ch);
    $ch=sprintf("%u", $ch);
    // new since Toolbar 2.0.114

    $ch = ((($ch/7) $prbuf = array();
    $prbuf[0] = $ch;
    for($i = 1; $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("

  • Checksum >=2.0.114: ..... 6%u ...... link .... PR = $value\n",$ch);
    ?>[/code]



  • Kenyataan Laman Web ini
    Kandungan artikel ini disumbangkan secara sukarela oleh netizen, dan hak cipta adalah milik pengarang asal. Laman web ini tidak memikul tanggungjawab undang-undang yang sepadan. Jika anda menemui sebarang kandungan yang disyaki plagiarisme atau pelanggaran, sila hubungi admin@php.cn

    Tag artikel panas

    Notepad++7.3.1

    Notepad++7.3.1

    Editor kod yang mudah digunakan dan percuma

    SublimeText3 versi Cina

    SublimeText3 versi Cina

    Versi Cina, sangat mudah digunakan

    Hantar Studio 13.0.1

    Hantar Studio 13.0.1

    Persekitaran pembangunan bersepadu PHP yang berkuasa

    Dreamweaver CS6

    Dreamweaver CS6

    Alat pembangunan web visual

    SublimeText3 versi Mac

    SublimeText3 versi Mac

    Perisian penyuntingan kod peringkat Tuhan (SublimeText3)