$oldmetadata =& $params['oldmetadata'];
// unset old metadata entry to ensure metadata goes at the end of the params array
unset( $params['oldmetadata'] );
- $params['oldmetadata'] = array_map( function( $index ) use ( $params, $oldmetadata ) {
+ $params['oldmetadata'] = array_map( function ( $index ) use ( $params, $oldmetadata ) {
$result = [ 'group' => $params['4:array:oldgroups'][$index] ];
if ( isset( $oldmetadata[$index] ) ) {
$result += $oldmetadata[$index];
$newmetadata =& $params['newmetadata'];
// unset old metadata entry to ensure metadata goes at the end of the params array
unset( $params['newmetadata'] );
- $params['newmetadata'] = array_map( function( $index ) use ( $params, $newmetadata ) {
+ $params['newmetadata'] = array_map( function ( $index ) use ( $params, $newmetadata ) {
$result = [ 'group' => $params['5:array:newgroups'][$index] ];
if ( isset( $newmetadata[$index] ) ) {
$result += $newmetadata[$index];