当我启用Codeigniter缓存时，禁用tank auth。 为什么？

Question

If I activate the Codeigniter cache in the construct function of start controller (for example). So:

$this->output->cache(20); //20 minutes

If I do login in the principal page (built with Tank auth library) the complete web application is shown, if when I do logout, I reload the page , the complete web application is shown again. Why?

Obviously, This doesn't happen if the cache is disabled.

Answer 1

如果启用了缓存，您将始终从缓存中获取页面，直到20分钟后

Answer 2

Codeigniter is caching the output of the first request. Any further requests will just return the cached page from the initial request.

As your app requires user state, you can't cache the entire page or all users will see the same thing (regardless of state).