Eko\FeedBundle\Formatter\Formatter::initialize PHP Method

    public function initialize()
    {
        $this->itemFields = array_merge($this->itemFields, $this->feed->getItemFields());
    }

 /**
  * {@inheritdoc}
  */
 public function initialize()
 {
     parent::initialize();
     $encoding = $this->feed->get('encoding');
     $this->dom = new \DOMDocument('1.0', $encoding);
     $root = $this->dom->createElement('rss');
     $root->setAttribute('version', '2.0');
     $root = $this->dom->appendChild($root);
     $channel = $this->dom->createElement('channel');
     $channel = $root->appendChild($channel);
     $title = $this->translate($this->feed->get('title'));
     $title = $this->dom->createElement('title', $title);
     $channel->appendChild($title);
     $description = $this->translate($this->feed->get('description'));
     $description = $this->dom->createElement('description', $description);
     $channel->appendChild($description);
     $link = $this->dom->createElement('link', $this->feed->get('link'));
     $channel->appendChild($link);
     $date = new \DateTime();
     $lastBuildDate = $this->dom->createElement('lastBuildDate', $date->format(\DateTime::RSS));
     $channel->appendChild($lastBuildDate);
     // Add custom channel fields
     $this->addChannelFields($channel);
     // Add feed items
     $items = $this->feed->getItems();
     foreach ($items as $item) {
         $this->addItem($channel, $item);
     }
 }