Вроде баг в groups

 
    public function getInvitableGroups($user_id){
 
        $this->select('m.role', 'role');
 
        $this->joinInner('groups_members', 'm', "m.user_id = '{$user_id}'");
 
        $groups = $this->get('groups', function($group, $model){
            $is_can_invite = in_array($group['join_policy'], array(groups::JOIN_POLICY_FREE, groups::JOIN_POLICY_PUBLIC));
            $is_can_invite = $is_can_invite || (($group['join_policy'] == groups::JOIN_POLICY_PRIVATE) && ($group['role'] == groups::ROLE_STAFF));
            var_dump($group['role']);
            if (!$is_can_invite){ return false; }
 
            return $group;
 
        });
        return $groups;
 
    }