PHP5 class to get Google PageRank

123finder.com · 04-02-2006, 12:18 AM

This PHP5 class computes the Google PR for any URL. Source code is available online and this is the PHP5 version, can be plugged into any application/software.

PHP Code:

  <?php

/** source available online in public domain

* @author Son Nguyen

* @since 3/30/2006

* @package Framework

* @subpackage WebServices

*/

class CGooglePR {

  /** constructor */

  function __construct() {

  }

 
  function getRank($pURL) {

    $pURL = 'info:'.$pURL;

    $ch = $this->GoogleCH($this->strord($pURL));

    $vFile = "http://www.google.com/search?client=navclient-auto&ch=6$ch&features=Rank&q=".$pURL;

    $data = file($vFile);

    $rankarray = explode (':', $data[2]);

    $rank = $rankarray[2];

    return intval($rank);

  }

 
  /** 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);

    } // fi

    return $a;

  }

 
  function mix($a,$b,$c) {

    $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,13));

    $b -= $c; $b -= $a; $b ^= ($a<<8);

    $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,13));

    $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,12));

    $b -= $c; $b -= $a; $b ^= ($a<<16);

    $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,5));

    $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,3));   

    $b -= $c; $b -= $a; $b ^= ($a<<10);

    $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,15));

    return array($a,$b,$c);

  }

 
  /** converts a string into an array of integers containing the numeric value of the char */

  function strord($pStr) {

    $vResult = array();

    for($i=0;$i<strlen($pStr);$i++) {

      $vResult[$i] = ord($pStr{$i});

      } // rof

    return $vResult;

  }

 
  function GoogleCH($url,$length=null,$init=0xE6359A60) {

????: NamePros.com http://www.namepros.com/code/182948-php5-class-to-get-google-pagerank.html
    if(is_null($length)) {

      $length = sizeof($url);

    } // fi

 
    $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));

????: NamePros.com http://www.namepros.com/showthread.php?t=182948
      $mix = $this->mix($a,$b,$c);

      $a = $mix[0]; $b = $mix[1]; $c = $mix[2];

      $k += 12;

      $len -= 12;

    } // rof

 
    $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]);

      /* case 0: nothing left to add */

    } // esac

 
    $mix = $this->mix($a,$b,$c);

    return $mix[2];

  }

}

?>

Amnezia · 04-15-2006, 03:03 AM

i couldnt get this class to work

cashboy · 04-19-2006, 07:33 PM

Originally Posted by Amnezia

i couldnt get this class to work

What version of PHP is installed on your server? The class won't work if it is 4 or lesser than that as suggeseted by the title. And did you get any parsing error message?

04-02-2006, 12:18 AM	THREAD STARTER #1 (permalink)
123finder.com NamePros Member Join Date: Mar 2006 Posts: 62	PHP5 class to get Google PageRank This PHP5 class computes the Google PR for any URL. Source code is available online and this is the PHP5 version, can be plugged into any application/software. PHP Code: <?php /** source available online in public domain * @author Son Nguyen * @since 3/30/2006 * @package Framework * @subpackage WebServices / class CGooglePR { /* constructor / function __construct() { } function getRank($pURL) { $pURL = 'info:'.$pURL; $ch = $this->GoogleCH($this->strord($pURL)); $vFile = "http://www.google.com/search?client=navclient-auto&ch=6$ch&features=Rank&q=".$pURL; $data = file($vFile); $rankarray = explode (':', $data[2]); $rank = $rankarray[2]; return intval($rank); } /* 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); } // fi return $a; } function mix($a,$b,$c) { $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,13)); $b -= $c; $b -= $a; $b ^= ($a<<8); $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,13)); $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,12)); $b -= $c; $b -= $a; $b ^= ($a<<16); $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,5)); $a -= $b; $a -= $c; $a ^= ($this->zeroFill($c,3)); $b -= $c; $b -= $a; $b ^= ($a<<10); $c -= $a; $c -= $b; $c ^= ($this->zeroFill($b,15)); return array($a,$b,$c); } /* converts a string into an array of integers containing the numeric value of the char / function strord($pStr) { $vResult = array(); for($i=0;$i<strlen($pStr);$i++) { $vResult[$i] = ord($pStr{$i}); } // rof return $vResult; } function GoogleCH($url,$length=null,$init=0xE6359A60) { ????: NamePros.com http://www.namepros.com/code/182948-php5-class-to-get-google-pagerank.html if(is_null($length)) { $length = sizeof($url); } // fi $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)); ????: NamePros.com http://www.namepros.com/showthread.php?t=182948 $mix = $this->mix($a,$b,$c); $a = $mix[0]; $b = $mix[1]; $c = $mix[2]; $k += 12; $len -= 12; } // rof $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]); / case 0: nothing left to add */ } // esac $mix = $this->mix($a,$b,$c); return $mix[2]; } } ?> __________________ 123finder.com - Browse dictionary domains & 4-9 letter domains

04-15-2006, 03:03 AM	#2 (permalink)
Amnezia Professional Monkey Join Date: Jul 2005 Location: Escaped from the zoo Posts: 907	i couldnt get this class to work __________________ Webmaster Words

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