[support] How can I tell if a user if a user is a member of an OG group?

[Neil: esl-lounge.com]

I would like to show a link on a group node if a user is a member and another link if they are not. I looked through og.module and found the $subscription variable. I tried both the following without any success:

<?php if($subscription == 'active') : ?>
already a member!
<?php else: ?>
Join Today!
<?php endif; ?>

<?php if($subscription) : ?>
already a member!
<?php else: ?>
Join Today!
<?php endif; ?>

But I'm getting "Join Today" showing whether the user is a member or not. I imagine this means the $subscription variable isn't available in this context.

does anyone know how to find out if a user is a member of an OG group?

Neil
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