title: How to convert strange strong/bold Unicode to non bold UTF-8 chars in php?
body: <p>I'm trying to store a tweet in my database with twitter api,
  but I get this kind of strage chars which seems to be "naturals" bold chars</p>
  
  <p>NORMAL CHARS:</p>
  
  <pre><code>azertyuio
  </code></pre>
  
  <p>STRANGE CHARS:</p>
  
  <pre><code>     !!
  </code></pre>
  
  <p>If I paste the strongs chars in my netbeans editor I get something like square chars... </p>
  
  <p>I've never seen that before. Could you help me to convert this text in a non bold chars in php?</p>