//Php做的端口嗅探器--可以指定网站和端口
//并返回嗅探结果
function http_request($server, $port) {
$data = "";
$query = "HEAD / HTTP/1.0";
$fp = fsockopen($server, $port);
if($fp) {
fputs($fp, $query."rnn");
while(!feof($fp)) {
$data .= fread($fp, 1000);
}
fclose($fp);
}
return $data;
}
?>
";
echo "Output:
$data
";
}
?>
![[웹 프런트엔드] Node.js 빠른 시작](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
