决定在PHP中注销

Question

I have a website in which I set several variables like

$_SESSION["id"]

$_SESSION["email"]

$_SESSION["role"]

When user clicks on logout should I use session_destroy() or unset all the variables, it has no special impact on my site, but considering the fact that my sessions are stored on elastic cached with Redis? I think unless I do session_destroy() the session will not be removed from Redis,(thus occupying memory)

Any help?

Answer 1

Use session_destroy() if you are using it as a logout link, it will get rid of all session data without really having to worry about it. Just remember you have to refresh or redirect because the variables are still set on that page after you use session_destroy

Source: Session unset, or session_destroy?