PHP-kod:
$current_letter = '';
foreach($names as $name){
$first_letter = substr($name, 0, 1);
if($first_letter !== $current_letter){
if(!empty($current_letter)){
echo '</ul>';
}
echo '<h2>' . $first_letter . '</h2><ul>';
$current_letter = $first_letter;
}
echo '<li>' . $name . '</li>';
}
echo '</ul>';
Lycka till!