title: Listing by alphabetical order not ignoring special characters like "Ó"
body: <p>I got some search results listed alphabetically by groups like this:</p>
  
  <p>A --
  Andre, Amalia...</p>
  
  <p>B --
  Bart, Bruno,
  etc...</p>
  
  <p>The problem is, if some name starts with a special character like "Ólga"
  i got another group like this:</p>
  
  <p>Ó --
  Olga</p>
  
  <p>My question: How to list names starting with "Ó" inside the group "O"? Thanks.</p>
  
  <p>My code:</p>
  
  <pre><code>&lt;?php
  $previous = null;
  foreach($rows as $row1) {
   $firstLetter = substr($row1-&gt;titolo, 0, 1);
    if($previous !== $firstLetter) echo $firstLetter."&lt;br /&gt;";
  $previous = $firstLetter;
    echo $row1-&gt;titolo;
  }
  ?&gt;
  </code></pre>