What is the purpose of using session_start() and session_register() in PHP scripts?

The purpose of using session_start() in PHP scripts is to start a new session or resume an existing session. session_register() is used to register one or more global variables in the current session. These functions are commonly used to store and retrieve session data across multiple pages of a website. 

<?php
session_start();

// Register a variable in the session
$variable_name = "value";
session_register('variable_name');

// Access the registered variable
echo $_SESSION['variable_name'];
?>

Keywords

session_start session_register PHP scripts session management user authentication

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