How do I call_user_func_array() on 4.0.1pl2 ?

Hi, I wonder if there's a way to get the same result as with call_user_func_array() on 4.0.1pl2 . I need to do the following : foreach($formArray as $arrays){ foreach($arrays as $key => $value){ call_user_func_array($key, explode (",", $value)"); //Not working since I have 4.01 $key(explode (",", $value)); //This aint working either since explode returns an array, and I need to return a list of vars to call. (different amount of vars each time!) } } Is there another way to do this using a function or something, I cant update since it's not my own server. Thanx Jimmy from Sweden