PHP通过站长站获取百度权重

[PHP]代码  

function br($s){
	$baidu="http://mytool.chinaz.com/baidusort.aspx?host=".$s;
	$site=file_get_contents($baidu);
	preg_match("/<font color=\"\">(.*)<\/font>/i",$site,$count);
	return $count[1][0];
}
$br=br("http://yckit.com");
echo $br;