Question

Which one of the following is the very first task executed by a session enabled page?

(a) Delete the previous session

(b) Start a new session

(c) Check whether a valid session exists

(d) Handle the session

This question was posed to me by my college director while I was bunking the class.

Query is from Session Handling-1 topic in division File and Session Handling in PHP of PHP

Answer 1

Right answer is (c) Check whether a valid session exists

The explanation is: The session variables are set with the PHP global variable which is $_SESSION. The very first task executed by a session enabled page is Check whether a valid session exists.