<?php
$urlinfo = parse_url($url);
if(!empty($urlinfo))
{
$scheme = '';
if (isset($urlinfo['scheme']) && $urlinfo['scheme']=='http')
{
$scheme = 'http://';
}
elseif (isset($urlinfo['scheme']) && $urlinfo['scheme']=='https')
{
$scheme = 'https://';
}
$urlname = $scheme.$urlinfo['host'];
$urlport = $urlinfo['port'];
}
//注意 URL 一定要动态获取,不能hardcode
$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
$url = "$protocol.$_SERVER[HTTP_HOST].$_SERVER[REQUEST_URI]";
https默认是443但是什么端口都支持
转发的时候带个标志 或者 转发个非443的
我https,获取到的端口是80。
说明转发了