Posted in PHP onOctober 30, 2013
PR值是google衡量网站的重要标准之一,根据google提供的结果获取pr值,如:
http://toolbarqueries.google.com.hk/tbr?client=navclient-auto&features=Rank:&q=info:phpddt.com&ch=8fabc62ea
<?php /* *功能:对URL进行编码 *参数说明:$web_url 网站URL,不包含"http://" */ function HashURL($url) { $SEED = "Mining PageRank is AGAINST GOOGLE'S TERMS OF SERVICE. Yes, I'm talking to you, scammer."; $Result = 0x01020345; for ($i=0; $i<strlen($url); $i++) { $Result ^= ord($SEED{$i%87}) ^ ord($url{$i}); $Result = (($Result >> 23) & 0x1FF) | $Result << 9; } return sprintf("8%x", $Result); } /* *功能:根据google提供的pr查询接口获取pagerank *参数说明:$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:"; $GoogleURL = $StartURL.$domain. '&ch='.HashURL($domain); echo $GoogleURL.'<br>'; $fcontents = file_get_contents("$GoogleURL"); $pagerank = substr($fcontents,9); if (!$pagerank) return "0";else return $pagerank; } echo pagerank("phpddt.com"); ?>
PHP查询网站的PR值
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