if ($config->get('system', 'invitation_only')) {
$invitation_only = true;
$invites_remaining = DI::pConfig()->get(local_user(), 'system', 'invites_remaining');
if ($config->get('system', 'invitation_only')) {
$invitation_only = true;
$invites_remaining = DI::pConfig()->get(local_user(), 'system', 'invites_remaining');