php伪造来路页面

<?php
$host = "www.abc.com"; //你要访问的域名
$target = "/test.asp"; //你要访问的页面地址
$referer = "http://www.abcdefg.com/abc.html"; //伪造来路页面
$fp = fsockopen($host, 80, $errno, $errstr, 30);
if (!$fp){
echo "$errstr($errno)<br />/n";
}
else{
$out = "
GET $target HTTP/1.1
Host: $host
Referer: $referer
Connection: Close/r/n/r/n";
fwrite($fp, $out);
while (!feof($fp)){
echo fgets($fp, 1024);
}
fclose($fp);
}
?>