PHP Query the PR Value of a Website_PHP Tutorial

PR value is one of the important criteria for Google to measure websites. Get the PR value based on the results provided by Google, such as:
http://toolbarqueries.google.com.hk/tbr?client=navclient-auto&features=Rank :&q=info:phpddt.com&ch=8fabc62ea

Copy code The code is as follows:

/*
*Function: Encode URL
*Parameter description: $web_url Website URL, does not contain "http://"
*/
function HashURL($url)
{
$SEED = "Mining PageRank is AGAINST GOOGLE'S TERMS OF SERVICE. Yes, I'm talking to you, scammer.";
$Result = 0x01020345;
for ($i=0; $i {
$Result ^= ord($SEED{$i%87}) ^ ord($url{$i});
$Result = (($Result >> 23) & 0x1FF) | $Result << 9;
}
return sprintf("8%x", $Result);
}

/*
*Function: Get pagerank according to the PR query interface provided by Google
*Parameter description: $domain website domain name, excluding "http://"
*/
function pagerank ($domain)
{
$StartURL = "http://toolbarqueries.google.com/tbr?client=navclient-auto&features=Rank:&q=info:";
$GoogleURL = $StartURL. $domain. '&ch='.HashURL($domain);
echo $GoogleURL.'
';
$fcontents = file_get_contents("$GoogleURL");
$pagerank = substr( $fcontents,9);
if (!$pagerank) return "0";else return $pagerank;
}
echo pagerank("phpddt.com");
?>

http://www.bkjia.com/PHPjc/825053.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/825053.htmlTechArticlePR value is one of the important criteria for Google to measure websites. Get the PR value based on the results provided by Google, such as: http ://toolbarqueries.google.com.hk/tbr?client=navclient-autoq=info:phpddt.comlt;?...