How can one ensure that a session remains accessible across multiple pages in PHP?

To ensure that a session remains accessible across multiple pages in PHP, you need to start the session at the beginning of each page where you want to access session data. This can be done by calling session_start() function at the top of each PHP file. 

<?php
session_start();

// Access session variables
$_SESSION['username'] = 'JohnDoe';

// Other PHP code for the page
?>

Keywords

session PHP $_SESSION session_start session variables

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