function haclSDExists_GetEmbedded($type, $name)
{
    if (!isset(IACL::$nameToType[$type])) {
        return 'null';
    }
    $type = IACL::$nameToType[$type];
    $data = array('exists' => false, 'embedded' => '', 'canon' => false);
    $sd = IACLDefinition::newFromName($type, $name);
    if ($sd) {
        $data['canon'] = $sd['def_title']->getPrefixedText();
        if ($sd['rules']) {
            // FIXME Maybe check page for existence instead of SD rules?
            $data['exists'] = true;
        }
        if ($type == IACL::PE_PAGE) {
            // Build HTML code for embedded protection toolbar
            $data['embedded'] = IACLToolbar::getEmbeddedHtml(Title::newFromText($name)->getArticleId(), $sd['pe_type'], $sd['pe_id']);
        }
    }
    return json_encode($data);
}