Session how do I remove the old ones?

Hello, how do I clear old session data?

PHP Code:

unset($_SESSION['some_name']); 


What did you Try? What did you Get? What did you Expect?

Joined CodeIgniter Community 2009.  ( Skype: insitfx )

Or by using CI's session library:

PHP Code:

$session->remove('session_name');

//or if you want remove multiple items

$array_items = ['session_name1', 'session_name2'];
$session->remove($array_items);