title: Wordpress get post by tag name
body: <p>I want to query posts by tag <code>name</code> and not by tag <code>slug</code></p>
  
  <p>I've tried this but it will only work with tag <code>slug</code></p>
  
  <pre><code>$args = array( 'post_type' =&gt; "news_type", 'posts_per_page' =&gt; -1, 'tag' =&gt; "my tag" );
  </code></pre>
  
  <p>An alternative would be to get a tag by the tag name, and then get slug from the tag.</p>
  
  <p>( I only have access to the tag name in my code)</p>