PHP Script to Check PR

Hello, what's the php script or function to check the PageRank of a url or website? Not pagerank prediction script, please.

Thanks

 

A simple Google search found this.

 

well not if you want to retrieve the value and use it on your applications for instance.

I use a set of function from a programmer i unfortunatly don't remember the name to give him the credits.

<?php
define('GOOGLE_MAGIC', 0xE6359A60);
class pageRank{
var $pr; 
var $pr_val;

var $cache_dir = "pr_cache/";

	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 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 = $this->mix($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);
	   /* 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]);
	  }
	  $mix = $this->mix($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 query_google($url)
	{
	  $ch = "6".$this->GoogleCH($this->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, $out);
		 while (!feof($fp)) {
		   $data = fgets($fp, 128);
		   $pos = strpos($data, "Rank_");
			 if($pos === false){
			 }else{
			   $pagerank = substr($data, $pos + 9);
			   $this->pr_val = $pagerank;
			 }
		 }
		 fclose($fp);
	  }
	}
	 
	
	//display pagerank image. 
	function pr_image($pagerank)
	{
	  if($pagerank == 0){
	   $this->pr = "<img src=\"images/pr0.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 1){
	   $this->pr = "<img src=\"images/pr1.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 2){
	   $this->pr = "<img src=\"images/pr2.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 3){
	   $this->pr = "<img src=\"images/pr3.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 4){
	   $this->pr = "<img src=\"images/pr4.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 5){
	   $this->pr = "<img src=\"images/pr5.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 6){
	   $this->pr = "<img src=\"images/pr6.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 7){
	   $this->pr = "<img src=\"images/pr7.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 8){
	   $this->pr = "<img src=\"images/pr8.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }elseif($pagerank == 9){
	   $this->pr = "<img src=\"images/pr9.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	   }else{
	   $this->pr = "<img src=\"images/pr10.gif\" alt=\"PageRank " .$pagerank. " out of 10\">" ;
	  }
	}
	
	 
	 //Functions to actually be used by the user
	 
	 //Get a numerical value for the pagerank
	function Qpr_num($url) 
	{
		
		//Query google server
		$this->query_google($url);
		
		//Return the numerical value
		return $this->pr_val; 	
	}
	 
	 //Ret the html code to display an image
	function Qpr_img($url) 
	{
		
		//Query google server
		$this->query_google($url);
		
		//Get image code
		$this->pr_image($this->pr_val);
		
		//Return the image code
		return $this->pr;
	}

	function Vpr_img($nbr) 
	{
		
		//Get image code
		$this->pr_image($nbr);
		
		//Return the image code
		return $this->pr;
	}
}

Code (markup):

This works fine for me...

If you have massive PR consultations, it is also recommanded to store the values into a database and update them only from time to time, in order not to overload Google's servers.