extend_membership($u, $group, $periods); $attributelib = TikiLib::lib('attribute'); $attributes = $attributelib->get_attributes('user', $u); foreach ($attributes as $a) { $attname = 'tiki.memberextend.' . $groupId; if (isset($attributes[$attname])) { $attributelib->set_attribute('user', $u, $attname, ''); } } } }