在子域之间共享PHP中的会话变量 [英] Sharing session variables in PHP between subdomains
问题描述
我想使用许多子域在PHP中共享我的会话变量。我有一个例子：
I want to share my session variables in PHP using many subdomains. I have that example :
- example.com
- subdomain1.example.com
我尝试在两个域之间使用相同的会话变量。我已经在PHP中测试了很多功能，但没有任何效果。这是我的测试方法：
I try to use the same session variables between the two domains. I already tested a lot of functions in PHP but nothing work. Here is my way to test :
在example.com/page.php上，我进行了测试：
On the example.com/page.php, I have that test :
echo '<pre>';
var_dump(session_set_cookie_params(0, '/', '.example.com'));
session_start();
echo "Session ID : ".session_id()."\n";
$_SESSION['foo'] = 'bar';
print_r($_SESSION);
在subdomain1.example.com/page.php上，我有一个：
And on subdomain1.example.com/page.php, I have that one :
echo '<pre>';
session_set_cookie_params(0, '/', '.example.com');
session_start();
echo "Session ID : ".session_id()."\n";
print_r($_SESSION);
我可以看到两个页面之间的会话ID相同，但是会话变量不可能在subdomain1.example.com/page.php
I can see that the session id is the same between the two pages, but session variables are impossible to read in subdomain1.example.com/page.php
我测试了许多功能，例如为会话设置名称，但没有更多结果。
I tested many functions, like set a name to the session, but with no more results.
谢谢。
推荐答案
我唯一想到的方法是将会话数据保存到cookie，然后在访问另一个域时打开cookie。您可以在此处阅读如何执行此操作： http：//www.depiction。 net / tutorials / php / cookies-session-variables.php
The only way I can think of to do this would be to save the session data to a cookie, then open the cookie when the other domain is accessed. You can read how to do this here: http://www.depiction.net/tutorials/php/cookies-session-variables.php
出于好奇，为什么要这么做？
Out of curiosity, why do you want to do this?
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