function addToWatchlist($member_name) { global $access_isGroupMember; global $group_name; _filter_var($member_name); if ($access_isGroupMember && isset($_SESSION['valid_user'])) { if ($_SESSION['valid_user'] == $member_name) { return '0'; } // error $wid = _getMemberID($member_name); $u = new User($_SESSION['valid_user']); if ($u->isWatching($group_name, $wid)) { return '1'; } $res = $u->addToWatchlist($group_name, $wid); if ($res) { return '2'; } else { return '0'; } } else { return '0'; } }