获取网站 百度权重 搜狗 谷歌PR

<?php
//获取网站   百度权重   搜狗  谷歌PR
//神龙 QQ:29295842

 /*获取百度权重*/
function baidu_br($s){
	$baidu="http://mytool.chinaz.com/baidusort.aspx?host=".$s;
	$site=file_get_contents($baidu);  //file_get_contents(urlencode($baidu));
	preg_match_all('(<font color=\"blue\">(.*?)<\/font>)', $site,$count);
	//print_r($count);
	if(!empty($count[1][0])) {
		return $count[1][0];
	}
	else {
		return "!";
	}
	return $count[1][0];
}

/*搜狗 */
function sogo($s){
	$sogo="http://rank.ie.sogou.com/sogourank.php?url=".$s;
	$site=file_get_contents($sogo);
	preg_match_all('(sogourank=(.*?)$)', $site,$count);
	if(!empty($count[1][0])) {
		return $count[1][0];
	}
	else {
		return "!";
	}
	return $count[1][0];
}

/*google*/
function app_hash_url($url){
	$seed="Mining PageRank is AGAINST GOOGLE'S TERMS OF SERVICE.";
	$result=0x01020345;
	for($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);
}
function get_domain($url){   //获取主域名
  	//$url = "http://www.uncletoo.com/plug/tags/?tag=PHP";
	preg_match('@^(?:http://)?([^/]+)@i', $url, $matches);
	return $matches[1];
	//echo $host;
 }

function google_pr($url){
	
	try
 	{
 		$url=get_domain($url);   //获取主域名
		//echo $url;
		$PR_CH=app_hash_url($url);
	    $url='http://toolbarqueries.google.com/tbr?client=navclient-auto&features=Rank&q=info:'.$url.'&ch='.$PR_CH;
		$prtext=file_get_contents($url);
		if($prtext!=""){
			$pr=explode(":",$prtext);
			return $pr[2];
		}else{
			return "!";
		}
		return "!";
	}
	//捕获异常
	catch(Exception $e)
	{
		return "!";
	}
}

echo "baidu--".baidu_br('http://www.hf97.com/plus/av.php');
echo "sogo--".sogo('http://www.hf97.com/plus/av.php');
echo "google--".google_pr('http://www.hf97.com/plus/av.php');
?>