To logout$,$ we should

Question $35$ options:

$1.$ Set all the session variables

$2.$ Create a new session

$3.$ Destroy the session

$4.$ Unset all of the session variables

all of the above

none of the above

Only $1$ and $2$ are correct

Only $1,2$ and $3$ are correct

Only $3$ and $4$ are correct