What will be the output of the following PHP code? Say your

Home » PHP » PHP Sessions » Question

What will be the output of the following PHP code? Say your previous session username was Manjesh.
```
unset($_SESSION['username']);
printf("Username now set to: %s", $_SESSION['username']);
```

1. Username now set to: System
2. Username now set to: Manjesh
3. Error
4. Username now set to:
5. None of these

Correct Option: D

To delete the session variable ‘username’ we use the unset() function.