CODE EXAMPLE FOR PHP

wordpress microformats vs. schema.org

<div itemscope itemtype="http://schema.org/Blog">
  ...
  <article  itemprop="blogPost" itemscope itemtype="http://schema.org/BlogPosting">
    ...
  </article>

  <article  itemprop="blogPost" itemscope itemtype="http://schema.org/BlogPosting">
    ...
  </article>
</div>