ques. about controller

[eluser]Mostafa Hassan[/eluser]
hi all ,,

how can i include controller data into another controller ..

in smarty template engine ..

i use

Code:

<?php

include ('common.php');

?>

how can i do this in ci ??

thanks

more info :

i want to put main data of my website into one file called common.php
and then call it into any controller