Session is not working properly

1. Why session is not working in server?
2. Why session is not working in PHP?
3. How long should a session last?
4. What do you use to reset a particular session?
5. How do I check if a session exists?
6. What is PHP session start?
7. What is a session duration?
8. How do Sessions work?
9. Why does a session expire?
10. How do I reset a session?
11. Which of the following is used for destroy the session?
12. How do I destroy a specific session?

Why session is not working in server?

If you are not using database to write sessions, you need to ensure that server is writing them (session files) to the writable folder. It is usually just “/tmp” but sometimes this folder doesn't exist or is not writable.

Why session is not working in PHP?

Make sure you didn't delete or empty the session. Make sure the key in your $_SESSION superglobal array is not overwritten anywhere. Make sure you redirect to the same domain. So redirecting from a www.yourdomain.com to yourdomain.com doesn't carry the session forward.

How long should a session last?

By default, a session lasts until there's 30 minutes of inactivity, but you can adjust this limit so a session lasts from a few seconds to several hours.

What do you use to reset a particular session?

Description ¶

session_reset() reinitializes a session with original values stored in session storage. This function requires an active session and discards changes in $_SESSION.

How do I check if a session exists?

You can check whether a variable has been set in a user's session using the function isset(), as you would a normal variable. Because the $_SESSION superglobal is only initialised once session_start() has been called, you need to call session_start() before using isset() on a session variable.

What is PHP session start?

session_start() creates a session or resumes the current one based on a session identifier passed via a GET or POST request, or passed via a cookie. When session_start() is called or when a session auto starts, PHP will call the open and read session save handlers.

What is a session duration?

A session-duration is defined as the time frame during which there are regular active interactions occurring from a user on a website. The session is timed out when there is no activity from the user for a pre-defined time duration (30 minutes by default).

How do Sessions work?

Each user gets a session ID, which is sent back to the server for validation either by cookie or by GET variable. Sessions are usually short-lived, which makes them ideal in saving temporary state between applications. Sessions also expire once the user closes the browser.

Why does a session expire?

If your Internet connection is unstable, periodically disconnecting and reconnecting, it can cause a website session to expire. When the Internet connection is lost the website connection can be terminated, resulting in a session expired message if you try to access any page after the Internet reconnects.

How do I reset a session?

Syntax RESET SESSION SessionName | SessionID [/server:ServerName] [/v] Key SessionName The name of the session that you want to reset. To determine the name, use query session SessionID The ID of the session that you want to reset. /server:ServerName The Remote Desktop Host server containing the session to be reset.

Which of the following is used for destroy the session?

If you want to completely destroy the session, you need to use the function session_destroy().

How do I destroy a specific session?

A PHP session can be destroyed by session_destroy() function. This function does not need any argument and a single call can destroy all the session variables. If you want to destroy a single session variable then you can use unset() function to unset a session variable.