$fields = array_keys($allfields['attach']['fields']);
array_splice($fields, array_search('data', $fields), 1);
return $fields;
$fields = array_keys($allfields['attach']['fields']);
array_splice($fields, array_search('data', $fields), 1);
return $fields;
$items = self::select(['backend-class','backend-ref'], $conditions);
foreach($items as $item) {
$items = self::select(['backend-class','backend-ref'], $conditions);
foreach($items as $item) {
$backend_class = (string)$item['backend-class'];
if ($backend_class !== '') {
$fields['backend-ref'] = $backend_class::put($img->asString(), $item['backend-ref']);
$backend_class = (string)$item['backend-class'];
if ($backend_class !== '') {
$fields['backend-ref'] = $backend_class::put($img->asString(), $item['backend-ref']);
$items = self::select(['backend-class','backend-ref'], $conditions);
foreach($items as $item) {
$items = self::select(['backend-class','backend-ref'], $conditions);
foreach($items as $item) {
$backend_class = (string)$item['backend-class'];
if ($backend_class !== '') {
$backend_class::delete($item['backend-ref']);
$backend_class = (string)$item['backend-class'];
if ($backend_class !== '') {
$backend_class::delete($item['backend-ref']);