How can a beginner in PHP implement sessions to store and retrieve data between pages?

To implement sessions in PHP to store and retrieve data between pages, you can use the `$_SESSION` superglobal array. To start a session, you need to call `session_start()` at the beginning of each page. You can then store data in the session using `$_SESSION['key'] = 'value'` and retrieve it on subsequent pages. 

<?php
// Start the session
session_start();

// Store data in the session
$_SESSION['username'] = 'JohnDoe';

// Retrieve data from the session
$username = $_SESSION['username'];

// Output the retrieved data
echo $username;
?>

Keywords

PHP sessions data storage retrieve beginner

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