<?
$conect = mysql_connect("hostdobd","usuario","senha");

?>
<select class="select" name="datapes">

<option value="">Todos os dias</option>

<?

    $querydata = mysql_db_query("bd","SELECT data_tirada FROM fotos GROUP BY data_tirada ORDER BY data_tirada DESC", $link);

    $afetadata = mysql_num_rows($querydata);

    while($vetordata = mysql_fetch_array($querydata)){ 
       $datacerta = $vetordata["data_tirada"];
    
       ?><option value="<? print $datacerta; ?>"> <? print $datacerta; ?></option><?   

    }

?>
</select>