Search results for: "user activity tracking"

What is the potential issue with using a fixed value in a cookie instead of a variable for user login?

Using a fixed value in a cookie for user login can pose a security risk as it makes it easier for attackers to gain unauthorized access to user accoun...

How can the code be improved to handle cases where the user or key does not exist in the database?

When the user or key does not exist in the database, the code can be improved by checking if the query returned any results before trying to access th...

What is the best practice for updating session variables in PHP after a user changes their information in a form?

When a user updates their information in a form, the session variables should be updated to reflect these changes. The best practice for updating sess...

How can the SELECT query in the provided PHP code be optimized to display both guestbook entries for user 2?

The SELECT query in the provided PHP code can be optimized by using a JOIN clause to fetch both guestbook entries for user 2 from the database in a si...

What potential pitfalls should be considered when dynamically generating images in PHP based on user input from the address bar?

Potential pitfalls to consider when dynamically generating images in PHP based on user input from the address bar include security vulnerabilities suc...