multi dimension array for a language file ?

[eluser]Brain Coder[/eluser]
Hello

in codeigniter i created file called general_lang.php and i want to store in it

something like this

Code:

$lang['categories'] = array();
$lang['categories']['language_key'] = "The actual message to be shown";
$lang['categories']['language_key2'] = "Categories Control";

how can i dont with that in the controller and the view

please help