Hide advert1 module for logged in users - Joomla! Forum - community, help and support

i hope can me!  trying hide advert1 module position registered users.  know there few posts hiding modules on forum i'm bit of newbee , i'm having trouble figuring them out.

any hugely appreciated.

i use php if statement display module.  may work check guest. 

code: select all

<?php if ( $my->usertype=="guest") mosloadmodules('advert1', -2); ?>

haven't tested ymmv.