mtv\wp\models\Post::featured_image PHP Method

    public function featured_image()
    {
        if (!empty($this->post_meta['_thumbnail_id'])) {
            return AttachmentCollection::get(array('id' => $this->post_meta['_thumbnail_id'], 'blogid' => $this->blogid));
        } else {
            return null;
        }
    }