如何为 PHP 5.4+ 替换 session_register()
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How to replace session_register() for PHP 5.4+
提问by Michael Curving
out of the blue I was getting the following error when logging in to one of my sites:
登录到我的网站之一时，我突然收到以下错误：
Call to undefined function session_register()
调用未定义的函数 session_register()
After some research I saw that session_register() is deprecated after PHP 5.4. I checked in my hosting control panel, and sure enough it says current version I'm running is PHP 5.4.19. I assume they just forced an upgrade which is why this problem seemed to occur out of the blue.
经过一番研究，我发现 session_register() 在 PHP 5.4 之后已被弃用。我检查了我的主机控制面板，果然它说我正在运行的当前版本是 PHP 5.4.19。我认为他们只是强制升级，这就是为什么这个问题似乎是突然发生的。
I looked through several Stack Overflow posts and reviewed links to PHP documentation. From what I gather, session_register() is deprecated and should be replaced with $_SESSION instead.
我浏览了几篇 Stack Overflow 帖子，并查看了 PHP 文档的链接。据我所知， session_register() 已弃用，应替换为 $_SESSION 。
Problem is, both of those already appear in my code. Here is the code in my index.php file:
问题是，这两个都已经出现在我的代码中。这是我的 index.php 文件中的代码：
53 <? if ($username) {
54 session_register("ADMIN");
55 $_SESSION['ADMIN'] = $username;
56 ?>
So I hoped just by removing line 54 (the deprecated piece) then it should work, however that is not the case. It broke the code when I did that.
所以我希望通过删除第 54 行（已弃用的部分）然后它应该可以工作，但事实并非如此。当我这样做时，它破坏了代码。
Based on other posts I read HEREand HEREthey seem to be saying that the code I see in line 55 above should by itself do the trick. So I'm a bit confused why it didn't work. If anyone can tell me what code I should use I would sincerely appreciate it. The developer of the script is not really offering support.
根据我在此处和此处阅读的其他帖子，他们似乎在说我在上面第 55 行中看到的代码本身应该可以解决问题。所以我有点困惑为什么它不起作用。如果有人能告诉我应该使用什么代码，我将不胜感激。脚本的开发者并没有真正提供支持。
NOTE: Also, yes there is session_start() called at the very top of the page.
注意：另外，是的，在页面的最顶部调用了 session_start()。
回答by krolow
Possible it is missing the call for session_start, session_registermake this automatically, so what you have to do is just make sure that you have called session_start before use $_SESSIONglobal.
可能缺少对session_start的调用，session_register会自动进行此调用，因此您要做的就是确保在使用$_SESSION全局之前已调用 session_start 。
You can check more here http://www.php.net/manual/en/function.session-register.php
你可以在这里查看更多http://www.php.net/manual/en/function.session-register.php
If session_start() was not called before this function is called, an implicit call to session_start() with no parameters will be made. $_SESSION does not mimic this behavior and requires session_start() before use.
如果在调用此函数之前未调用 session_start()，则将进行不带参数的对 session_start() 的隐式调用。$_SESSION 不会模仿这种行为，并且在使用前需要 session_start()。
回答by 01e
Because session_register('ADMIN')registers the global variable with that name in the current session, so maybe in your code you have $ADMIN variable, find them and replace them with:
因为session_register('ADMIN')在当前会话中使用该名称注册全局变量，所以可能在您的代码中您有 $ADMIN 变量，找到它们并将它们替换为：
$_SESSION['ADMIN']
I hope this will help you.
我希望这能帮到您。
回答by Michael Curving
Looks like I overlooked the obvious. I was on the right track by simply removing the old session_register code.
看起来我忽略了显而易见的事情。通过简单地删除旧的 session_register 代码，我走上了正确的轨道。
But notice the original code I posted starts
但是请注意我发布的原始代码开始
<?
instead of
代替
<?php
doh
多
回答by Starx
Add a session_start()at the begining of your code and $_SESSIONto manipulate it or create it.
session_start()在代码的开头添加 a并对其$_SESSION进行操作或创建。
