I'm currently working on a PHP project and I'm facing an odd issue with session variables. I'm hoping someone here can shed some light on the problem.
So here's the situation: I have a website where users can log in and perform various actions. To keep track of user details and their activity across different pages, I'm using PHP session variables.
The problem I'm experiencing is that sometimes these session variables seem to disappear and then reappear out of nowhere. It's pretty frustrating because it disrupts the user experience and causes unexpected behavior.
To give you some context, here's a simplified version of the code I'm using:
// Set session variables
$_SESSION['user_id'] = 123;
$_SESSION['username'] = 'JohnDoe';
// Display user information
echo "Welcome, " . $_SESSION['username'];
// Perform some actions...
// Check session variables again
echo "User ID: " . $_SESSION['user_id'] . "\n";
echo "Username: " . $_SESSION['username'];
When everything is working correctly, both `$_SESSION['user_id']` and `$_SESSION['username']` should persist throughout the user's session. However, sometimes either one or both of these variables randomly become null or empty.
I've checked my code multiple times and there doesn't seem to be any logical explanation for this behavior. I'm not manually unsetting or destroying the session variables anywhere.
Has anyone else come across this issue before? Could it be related to the server configuration or do I need to modify my code?
Any assistance or suggestions would be greatly appreciated. Thanks in advance!