如何在没有第三方 API 的情况下通过 PHP 获取 Google PageRank

发布于 2024-12-10 11:45:28 字数 105 浏览 2 评论 0 原文

请提供适合在线 Google PageRank 显示的代码,我们无法放置第三方 API 来获取此代码。我们只能使用 Google 的 API。如果有人有 Pagerank 的代码,那对我们有好处。

Please provide the suitable codes for online Google Pagerank display, We can not place the third party API for getting this. We can use the API from Google only. If anybody have the codes for Pagerank that would be Good for us.

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花开浅夏 2024-12-17 11:45:28
/*****************************************/
define('GOOGLE_MAGIC', 0xE6359A60);

  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<<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[$k + 2] << 16) + ($url[$k + 3] << 24));
      $b += ($url[$k + 4] + ($url[$k + 5] << 8) + ($url[$k + 6] << 16) + ($url[$k + 7] << 24));
      $c += ($url[$k + 8] + ($url[$k + 9] << 8) + ($url[$k + 10] << 16) + ($url[$k + 11] << 24));
      $_mix = _mix($a,$b,$c);
      $a = $_mix[0]; $b = $_mix[1]; $c = $_mix[2];
      $k += 12;
      $len -= 12;
    }
    $c += $length;
    switch($len){
      case 11: $c += ($url[$k + 10] << 24);
      case 10: $c += ($url[$k + 9] << 16);
      case 9 : $c += ($url[$k + 8] << 8);
      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]);
    }
    $_mix = _mix($a,$b,$c);
    return $_mix[2];
  }

  function _strord($string){
    for($i = 0;$i < strlen($string);$i++)
      $result[$i] = ord($string{$i});
    return $result;
}

  function getPageRank($url){
    $pagerank = -1;
    $ch = "6"._GoogleCH(_strord("info:" . $url));
    $fp = fsockopen("www.google.com", 80, $errno, $errstr, 30);
    if($fp){
      $out = "GET /search?client=navclient-auto&ch=" . $ch . "&features=Rank&q=info:" . $url . " HTTP/1.1
";
      $out .= "Host: www.google.com
";
      $out .= "Connection: Close

";
      fwrite($fp, $out);
      while (!feof($fp)){
        $data = fgets($fp, 128);
        $pos = strpos($data, "Rank_");
        if($pos === false){
        }else
          $pagerank = substr($data, $pos + 9);
      }
      fclose($fp);
    }
    return $pagerank;
}
/*******************************************/

将以上代码添加到您的脚本中并调用 getPageRank($url) 函数,该函数将返回给定 url 的准确页面排名。

/*****************************************/
define('GOOGLE_MAGIC', 0xE6359A60);

  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<<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[$k + 2] << 16) + ($url[$k + 3] << 24));
      $b += ($url[$k + 4] + ($url[$k + 5] << 8) + ($url[$k + 6] << 16) + ($url[$k + 7] << 24));
      $c += ($url[$k + 8] + ($url[$k + 9] << 8) + ($url[$k + 10] << 16) + ($url[$k + 11] << 24));
      $_mix = _mix($a,$b,$c);
      $a = $_mix[0]; $b = $_mix[1]; $c = $_mix[2];
      $k += 12;
      $len -= 12;
    }
    $c += $length;
    switch($len){
      case 11: $c += ($url[$k + 10] << 24);
      case 10: $c += ($url[$k + 9] << 16);
      case 9 : $c += ($url[$k + 8] << 8);
      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]);
    }
    $_mix = _mix($a,$b,$c);
    return $_mix[2];
  }

  function _strord($string){
    for($i = 0;$i < strlen($string);$i++)
      $result[$i] = ord($string{$i});
    return $result;
}

  function getPageRank($url){
    $pagerank = -1;
    $ch = "6"._GoogleCH(_strord("info:" . $url));
    $fp = fsockopen("www.google.com", 80, $errno, $errstr, 30);
    if($fp){
      $out = "GET /search?client=navclient-auto&ch=" . $ch . "&features=Rank&q=info:" . $url . " HTTP/1.1
";
      $out .= "Host: www.google.com
";
      $out .= "Connection: Close

";
      fwrite($fp, $out);
      while (!feof($fp)){
        $data = fgets($fp, 128);
        $pos = strpos($data, "Rank_");
        if($pos === false){
        }else
          $pagerank = substr($data, $pos + 9);
      }
      fclose($fp);
    }
    return $pagerank;
}
/*******************************************/

add above code to your script and call getPageRank($url) function which will return you exact page rank of given url.

守望孤独 2024-12-17 11:45:28

我更喜欢这个链接 PHP类。它是一个API,但是是开源的,我不知道为什么它必须是自写的?

I'd prefered this Link PHPClasses. It is an API but Open-Source and i don't know why it must be selfwriten?

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