+ function addAuthor($name, $uri = null, $email = null)
+ {
+ $xs = new XMLStringer(true);
+
+ $xs->elementStart('author');
+
+ if (!empty($name)) {
+ $xs->element('name', null, $name);
+ } else {
+ throw new Atom10FeedException(
+ 'author element must contain a name element.'
+ );
+ }
+
+ if (isset($uri)) {
+ $xs->element('uri', null, $uri);
+ }
+
+ if (isset($email)) {
+ $xs->element('email', null, $email);
+ }
+
+ $xs->elementEnd('author');
+
+ array_push($this->authors, $xs->getString());
+ }
+
+ /**
+ * Add an Author to the feed via raw XML string
+ *
+ * @param string $xmlAuthor An XML string representation author
+ *
+ * @return void
+ */
+ function addAuthorRaw($xmlAuthor)
+ {
+ array_push($this->authors, $xmlAuthor);
+ }
+
+ function renderAuthors()
+ {
+ foreach ($this->authors as $author) {
+ $this->raw($author);
+ }
+ }
+
+ /**
+ * Add a activity feed subject via raw XML string
+ *
+ * @param string $xmlSubject An XML string representation of the subject
+ *
+ * @return void
+ */
+ function setActivitySubject($xmlSubject)
+ {
+ $this->subject = $xmlSubject;
+ }
+