<?php
//error_reporting(E_ALL);

define('GOOGLE_MAGIC', 0xE6359A60);

//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<<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);
  /*-------------------------------------------- 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;
}

function ReadPR($link)
{
$fp = fsockopen ("www.google.com",80,$errno,$errstr,30);
//$ip = gethostbyname("www.google.com");
//$fp = fsockopen ($ip,80,$errno,$errstr,30);

if (!$fp)
{
  echo "$errstr($errno)n";
  exit(1);
}
else
{
  //$out = "GET $link HTTP/1.1rn";
  $out = "GET $link HTTP/1.0rn";
  $out .= "Host: toolbarqueries.google.comrn";
  $out .= "User-Agent: Mozilla/4.0 (compatible; GoogleToolbar 2.0.114.9-big; Windows 5.2)rn";
  $out .= "Connection: Closernrn";
  fwrite($fp, $out);
  
  //while (!feof($fp))
  //echo fgets ($fp,128);
  
  do{
  $line = fgets($fp, 128);
  }while ($line !== "rn");
  $data = fread($fp,8192);
  fclose ($fp);
  return $data;
}
}



function GetPR($url)
{
$url ='info:'.$url;
$ch = GoogleCH(strord($url));
$data = ReadPR("/search?client=navclient-auto&ch=6$ch&features=Rank&q=$url");
$rankarray = explode (':', $data);
return $rankarray[2];
}


$provider = '<br><br><small><a href="http://wenew.net.ru/" target="_blank">wenew.net.ru</a></small>';
if (isset($_POST['url']) && $_POST['url'] !== '' )
{
echo 'PageRank: '.GetPR($_POST['url']).$provider;
}
else
{
echo "<html><title>Get PageRank From Google.com</title><body>PageRank(PR) Querying Script<br>";
echo "<form action='' method='post'>"."<br>URL:<input name='url' value='http://' type='text' size=40>";
echo "<input name='submit' type='submit' value='Get PR'></form>".$provider."</body></html>";
}

?>