--- /dev/null
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Extension\WellFormedWeb;
+
+use Zend\Feed\Reader\Extension;
+
+/**
+*/
+class Entry extends Extension\AbstractEntry
+{
+ /**
+ * Get the entry comment Uri
+ *
+ * @return string|null
+ */
+ public function getCommentFeedLink()
+ {
+ $name = 'commentRss';
+ if (array_key_exists($name, $this->data)) {
+ return $this->data[$name];
+ }
+
+ $data = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/wfw:' . $name . ')');
+
+ if (! $data) {
+ $data = null;
+ }
+
+ $this->data[$name] = $data;
+
+ return $data;
+ }
+
+ /**
+ * Register Slash namespaces
+ *
+ * @return void
+ */
+ protected function registerNamespaces()
+ {
+ $this->xpath->registerNamespace('wfw', 'http://wellformedweb.org/CommentAPI/');
+ }
+}