6 uses of OG_CLOSED in Organic groups 5

OgSubscribe::testAddOg in tests/og_subscribe.test

og_handler_field_subscribe in ./og_views.inc

Views handler to display the subscribe link

og_manage_form in ./og.module

og_og_block_details in ./og.module

og_subscribe_user in ./og.module

Create a new membership for a given user to given group and send proper email. Edits to membership should go through og_save_subscription(). No access control since this is an API function.

og_unsubscribe in ./og.module