+
+ /**
+ * When was this page last modified?
+ *
+ */
+
+ function lastModified()
+ {
+ if (empty($this->notices)) {
+ return null;
+ }
+
+ if (count($this->notices) == 0) {
+ return null;
+ }
+
+ // FIXME: doesn't handle modified profiles, avatars, deleted notices
+
+ return strtotime($this->notices[0]->created);
+ }