strano for

[MauMTS1000]

provalo

<select name="lettera" id="lettera"> 

     <option value="" selected>Tutte</option> 

        <?php for($i="A"; strlen($i)<2; $i++) { ?> 

        <option value="<?php echo $i; ?>"><?php echo $i; ?></option> 

       <?php } ?> 

</select>