title: How to remove html special chars?
body: <p>I am creating a RSS feed file for my application in which I want to remove HTML tags, which is done by <code>strip_tags</code>. But <code>strip_tags</code> is not removing HTML special code chars: </p>
  
  <pre><code>&amp;nbsp; &amp;amp; &amp;copy; 
  </code></pre>
  
  <p>etc.</p>
  
  <p>Please tell me any function which I can use to remove these special code chars from my string.</p>