Search results for: "$_SESSION variable"

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...

What are the benefits of using $_SESSION['variable'] over session_register() for managing session data in PHP?

Using $_SESSION['variable'] is preferred over session_register() for managing session data in PHP because session_register() is deprecated as of PHP 5...

What alternative function should be used to check if a variable is registered in the $_SESSION array?

To check if a variable is registered in the $_SESSION array, you can use the isset() function in PHP. This function checks if a variable is set and is...

How can using isset($_SESSION['variable']) improve session management in PHP?

Using isset($_SESSION['variable']) can improve session management in PHP by checking if a specific session variable is set before trying to access it....

Why is it necessary to call session_start() at a specific point when storing objects in the $_SESSION variable?

When storing objects in the $_SESSION variable in PHP, it is necessary to call session_start() before attempting to access or modify the $_SESSION var...