/* *功能:对URL进行编码 *参数说明:$web_url 网站URL，不包含"http://",例如jb51.net */ function HashURL($url){ $SEED = "Mining PageRank is AGAINST GOOGLE'S TERMS OF SERVICE. Yes, I'm talking to you, scammer."; $Result = 0x01020345; for ($i=0; $i<strlen($url); $i++) { $Result ^= ord($SEED{$i%87}) ^ ord($url{$i}); $Result = (($Result >> 23) & 0x1FF) | $Result << 9; } return sprintf("8%x", $Result); } /* *功能:获取pagerank *参数说明:$domain 网站域名，不包含"http://", */ function pagerank($domain) { $StartURL = "http://toolbarqueries.google.com/tbr?client=navclient-auto&features=Rank:&q=info:"; // $StartURL = "http://www.google.com/search?client=navclient-auto&features=Rank:&q=info:"; $GoogleURL = $StartURL.$domain. '&ch='.HashURL($domain); $fcontents = file_get_contents("$GoogleURL"); $pagerank = substr($fcontents,9); if (!$pagerank) return "0";else return $pagerank; }