$select = "instanceid $csql AND fieldid = :fieldid";
$params['fieldid'] = $fieldid;
$distinctablevalue = $DB->sql_compare_text('value');
- $values = $DB->get_records_select_menu('customfield_data', $select, $params, $DB->sql_order_by_text('value'),
+ $values = $DB->get_records_select_menu('customfield_data', $select, $params, '',
"DISTINCT $distinctablevalue, $distinctablevalue AS value2");
+ \core_collator::asort($values, \core_collator::SORT_NATURAL);
$values = array_filter($values);
if (!$values) {
return [];