What are some common functions or methods used to manage PHP sessions?

To manage PHP sessions, some common functions or methods include session_start() to start a new session or resume an existing one, $_SESSION[] to store and retrieve session data, session_destroy() to destroy a session, and session_unset() to unset all session variables. 

// Start or resume a session
session_start();

// Store data in session variable
$_SESSION['username'] = 'john_doe';

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

// Destroy a session
session_destroy();

// Unset all session variables
session_unset();

Keywords

session_start session_destroy session_unset $_SESSION session_regenerate_id

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