What is the correct way to store a session variable in PHP and retrieve it in another page?

To store a session variable in PHP, you can use the $_SESSION superglobal array and assign a value to a specific key. To retrieve the session variable in another page, you simply need to start the session and access the value stored in the $_SESSION array using the same key. 

// Storing a session variable
session_start();
$_SESSION['username'] = 'JohnDoe';

// Retrieving the session variable in another page
session_start();
$username = $_SESSION['username'];
echo $username; // Output: JohnDoe

Keywords

PHP session variable store retrieve another page

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