fsockopen获取网站信息

<?php
//IP为某个站点的ip，如果解析可以直接用域名
$fp = fsockopen("60.28.166.83", 80, $errno, $errstr, 30);
if (!$fp){
 echo "$errstr ($errno)<br>/n";
}
else{
 $out = "GET / HTTP/1.1/r/n";
 $out .= "Host: 60.28.166.83/r/n";
 $out .= "Connection: Close/r/n/r/n";
 
 fwrite($fp, $out);
 while (!feof($fp)){
  echo fgets($fp, 128)."<br>";
 }
 fclose($fp);
}
?>