const MENTIONED = 'mentioned';
const CONVERSATION = 'ostatus:conversation';
- function __construct($element)
+ function __construct($element = null)
{
+ if (empty($element)) {
+ return;
+ }
+
$replyToEl = ActivityUtils::child($element, self::INREPLYTO, self::THR);
if (!empty($replyToEl)) {
$attention = array();
for ($i = 0; $i < $links->length; $i++) {
-
$link = $links->item($i);
$linkRel = $link->getAttribute(ActivityUtils::REL);