<?
$veritabanindan_gelen = array(1,2,3,4,5,6);
?><select><?
for ($i= 0; $i<count($veritabanindan_gelen);$i++){
?><option><?=$veritabanindan_gelen[$i]?></option><?
}
?>
</select>

<?
$veritabanindan_gelen = array(1,2,3,4,5,6);
echo '<select>';
for ($i= 0; $i<count($veritabanindan_gelen);$i++){
echo '<option>'.$veritabanindan_gelen[$i].'</option>';
}
echo'</select>';
?>