Search results for: "unset()"

What is the difference between using unset("variable") and unset($_SESSION['variable']) to delete session variables in PHP?

Using unset("variable") will not unset a session variable, as it only works for regular variables. To delete a session variable in PHP, you need to us...

How can you properly unset a session variable in PHP?

To properly unset a session variable in PHP, you can use the `unset()` function to remove the specific session variable you want to unset. This will e...

How can you troubleshoot unset not working in PHP?

The issue of unset not working in PHP can be troubleshooted by ensuring that the variable being unset is actually set and exists in the current scope....

What are the implications of using unset() to unset variables in PHP scripts to mitigate register_globals issues?

The issue with using register_globals in PHP is that it can lead to security vulnerabilities by allowing external input to overwrite variables in the...

What is the difference between using session_destroy() and unset($_SESSION('name')) in PHP?

The main difference between using session_destroy() and unset($_SESSION['name']) in PHP is that session_destroy() will completely destroy all session...