function handler_ajax_update($page)
{
$json = json_decode(Env::v('json'));
$wiki = new Wiki($json->wid);
$page->jsonAssign('success', true);
try {
$wiki->select(Wiki::SELECT_VERSION);
$content = trim($json->content);
if ($content != $wiki->content()) {
$wiki->update($content);
$wiki->select(Wiki::SELECT_VERSION);
}
$page->jsonAssign('html', $wiki->html());
} catch (Exception $e) {
$page->jsonAssign('success', false);
}
return PL_JSON;
}