Geckozone

Code : Tout sélectionner

<a href="http://www.google.fr/">lien vers google</a>

Code : Tout sélectionner

<a href="http://www.google.fr/" style="font-size:36px">lien vers google</a>

Code : Tout sélectionner

<?php
class GooglePR
{
    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; $a ^= ($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);
    }
  
    function CheckSum($url)
    {
        $a = $b = 0x9E3779B9;
        $c = 0xE6359A60; // Init
        $k = 0;
        $length = sizeof($url);
        $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 = $this->mix($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 = $this->mix($a,$b,$c);
        
        return '6'.$mix[2];
    }
  
    function strord($string)
    {
        $length = strlen($string);
        $i = 0;
        $result = array();
        
        while( $i < $length )
        {
            $result[$i] = ord($string{$i});
            $i++;
        }
        return $result;
    }
  
    function PageRank($url)
    {
        $checksum = $this->CheckSum($this->strord('info:'.$url));
        $file = file('http://www.google.com/search?client=navclient-auto&ch='.$checksum.'&ie=UTF-8&oe=UTF-8&features=Rank&q=info:'.urlencode($url));
        $file = implode("", $file);
        return substr($file,strrpos($file, ":")+1);
    }
    
    function BackLinks($url)
    {
        $checksum = $this->CheckSum($this->strord('link:'.$url));
        $file = file('http://www.google.com/search?client=navclient-auto&ch='.$checksum.'&ie=UTF-8&oe=UTF-8&features=Matches&q=link:'.urlencode($url));
        $file = implode("", $file);
        return substr($file,strrpos($file, ":")+1);
    }
}

$dom = new DOMDocument();
$dom->loadHTMLFile('liens.html');//une page très simple avec deux liens
$listeLiens = $dom->getElementsByTagName("a");
foreach($listeLiens as $lien) {
	if ($lien->hasAttribute("href")) {
		$url = $lien->getAttribute("href");
		
		$PR = new GooglePR();
		$lien->setAttribute("style", $PR->PageRank($url));//l'exemple est mauvais mais l'idée est de ressortir un truc du style 'font-size:pagerank"
	}
}
echo $dom->saveHTML();
?>