$ _SERVER ['REQUEST_SCHEME']是否可靠? [英] Is $_SERVER['REQUEST_SCHEME'] reliable?

问题描述

最近，我正在寻找一种方法来正确确定协议，根据该协议，向服务器提供url请求.

I recently was seeking a way to properly determine protocol, under which url request was supplied to the server.

我通过 parse_url() 和

I watched through parse_url() and though $_SERVER superglobal variable, and found this:

<?php

header('Content-Type: text/plain');

print_r($_SERVER);

输出:

[REQUEST_SCHEME] => http

[REQUEST_SCHEME] => http

但是，我在 php.net 上找不到它，或者谷歌.不过，我能够找到 此 问题. 问题#1:如果没有记录$_SERVER['REQUEST_SCHEME']，那么它可能不可靠，还是可以信任的?

However, I was unable to find it on php.net or Google. Though, I was able to find this question. Q#1: If $_SERVER['REQUEST_SCHEME'] wasn't documented, then it is probably unreliable, or it can be trusted?

我正在Windows下使用VC9 PHP 5.4.14 TS进行开发.但是我的作品在ubuntu下. Q#2:这个属性在ubuntu linux下也可以使用吗?

I'am using VC9 PHP 5.4.14 TS under windows for development. But my production is under ubuntu. Q#2: Is this property also availible under ubuntu linux too?

推荐答案

很难证明它是可靠的，但是很容易证明它不可靠(如果我能提供一个它不可靠的情况)工作).而且我可以证明它是不可靠的，因为它不适用于 IIS 7.0 + PHP 5.3

It is hard to prove that it is reliable, but it is easy to prove that it is not reliable (if only I could provide a case which it does not work). And I can prove that it is unreliable because it does not work with IIS 7.0 + PHP 5.3

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