interface/modules/zend_modules/library/Zend/Feed/Reader/Extension/WellFormedWeb/Entry.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Feed\Reader\Extension\WellFormedWeb;
  11
  12 use Zend\Feed\Reader\Extension;
  13
  14 /**
  15 */
  16 class Entry extends Extension\AbstractEntry
  17 {
  18     /**
  19      * Get the entry comment Uri
  20      *
  21      * @return string|null
  22      */
  23     public function getCommentFeedLink()
  24     {
  25         $name = 'commentRss';
  26         if (array_key_exists($name, $this->data)) {
  27             return $this->data[$name];
  28         }
  29
  30         $data = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/wfw:' . $name . ')');
  31
  32         if (!$data) {
  33             $data = null;
  34         }
  35
  36         $this->data[$name] = $data;
  37
  38         return $data;
  39     }
  40
  41     /**
  42      * Register Slash namespaces
  43      *
  44      * @return void
  45      */
  46     protected function registerNamespaces()
  47     {
  48         $this->xpath->registerNamespace('wfw', 'http://wellformedweb.org/CommentAPI/');
  49     }
  50 }