} elseif (isset($_REQUEST['searchbycacheid'])) {
$options['searchtype'] = 'bycacheid';
$options['cacheid'] = isset($_REQUEST['cacheid']) ? $_REQUEST['cacheid'] : 0;
if (!is_numeric($options['cacheid'])) {
$options['cacheid'] = 0;
}
} elseif (isset($_REQUEST['searchbywp'])) {
$options['searchtype'] = 'bywp';
$options['wp'] = isset($_REQUEST['wp']) ? $_REQUEST['wp'] : '';
} elseif (isset($_REQUEST['searchbynofilter'])) {
$options['searchtype'] = 'bynofilter';
} elseif (isset($_REQUEST['searchbylist'])) {
$options['searchtype'] = 'bylist';
$options['listid'] = isset($_REQUEST['listid']) ? $_REQUEST['listid'] + 0 : 0;
$list = new cachelist($options['listid']);
if (!$list->exist() || !$list->isMyList() && $list->getVisibility() == 0) {
$tpl->redirect("cachelists.php");
}
$options['cachelist'] = cachelist::getListById($options['listid']);
// null for invalid ID
} elseif (isset($_REQUEST['searchall'])) {
if (!$login->logged_in()) {
// This operation is very expensive and therefore available only
// for logged-in users.
$tpl->error(ERROR_LOGIN_REQUIRED);
} else {
$options['searchtype'] = 'all';
}
} else {
if (isset($_REQUEST['showresult'])) {
$tpl->error('unknown search option');