What is the significance of session_start() in PHP and how does it relate to the problem mentioned?

The issue mentioned is related to the use of session variables in PHP. When using session variables, it is important to start a session using session_start() at the beginning of the script to initialize the session and enable the use of session variables throughout the script. 

<?php
session_start();

// Your PHP code here
?>

Keywords

session_start PHP session management session variables authentication

Related Questions