function _doSearch($variable, $key, &$ret)
{
if (function_exists('iconv')) {
$keyWord = iconv('UTF-8', BIGAPP_CHARSET . '//ignore', $_GET['keyword']);
} else {
$keyWord = mb_convert_encoding($_GET['keyword'], BIGAPP_CHARSET, 'UTF-8');
}
foreach ((array) $variable[$key] as $item) {
if ($item['type'] !== 'group' && preg_match('/' . $keyWord . '/', $item['name'])) {
$tmp = $item;
if (isset($tmp['forums'])) {
unset($tmp['forums']);
}
if (isset($tmp['subs'])) {
unset($tmp['subs']);
}
$ret[] = $tmp;
}
isset($item['forums']) && BigAppAPI::_doSearch($item, 'forums', $ret);
isset($item['subs']) && BigAppAPI::_doSearch($item, 'subs', $ret);
}
}
