header("Content-Type: text/plain; charset=utf-8"); 

define('GOOGLE_MAGIC', 0xE6359A60); 


//unsigned shift right 

function zeroFill($a, $b) 

{ 
    $z = hexdec(80000000);
    //echo $z;

        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)              /* all the case statements fall through */ 

    { 
        case 11: $c+=($url[$k+10]<<24); 

        case 10: $c+=($url[$k+9]<<16); 

        case 9 : $c+=($url[$k+8]<<8); 

          /* the first byte 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); 

    //echo $mix[0];

    /*-------------------------------------------- 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;$i<strlen($string);$i++) { 
        $result[$i] = ord($string{$i}); 
    } 
    return $result; 

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

$url = $_GET['url']; 
//print("url:\t{$_GET['url']}\n"); 

$ch = "6" . GoogleCH(strord("info:" . $url)); 


$fp = fsockopen("www.google.com", 80, $errno, $errstr, 30);
if (!$fp) {
   echo "$errstr ($errno)<br />\n";
} else {
   $out = "GET /search?client=navclient-auto&ch=". $ch .  "&features=Rank&q=info:" . $url . " HTTP/1.1\r\n";
   $out .= "Host: www.google.com\r\n";
   $out .= "Connection: Close\r\n\r\n";

   fwrite($fp, $out);
   
   //$pagerank = substr(fgets($fp, 128), 4);
   //echo $pagerank;
   while (!feof($fp)) {
	$data = fgets($fp, 128);
	$pos = strpos($data, "Rank_");
	if($pos === false){} else{
		$pagerank = substr($data, $pos + 9);
		echo $pagerank;
	}
   }
   fclose($fp);
}