Web Features Learning Mode

You have been given the following PHP script:

<?php
if ($_POST) 
{
   echo '<pre>';
   echo htmlspecialchars(print_r($_POST, true));
   echo '</pre>'; 
}
?> 
<form action="action.php" method="post">
   Name:  <input type="text" name="personal[name]" />
   Email: <input type="text" name="personal[email]" />
   Code: 
   ?????????????????????????????
   <option value="A">A</option>
   <option value="B">B</option>
   <option value="C">C</option>
   </select> 
   <input type="submit" value="submit me!" />
</form>

Which of the following is the correct syntax that should be used in line number 13 to capture all of the data from the user in PHP?
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