How can PHP sessions be utilized to pass variables between different PHP files?

To pass variables between different PHP files using PHP sessions, you can set the variables in one file using the $_SESSION superglobal and then access them in another file by starting the session and retrieving the variables from the $_SESSION superglobal. 

// File 1: set_session.php
session_start();
$_SESSION['variable_name'] = 'value';

// File 2: get_session.php
session_start();
echo $_SESSION['variable_name'];

Keywords

PHP sessions session variables session_start() $_SESSION session_destroy()

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