- && in_array( $v, $variants ) ) {
- $unidtable[$v] = [ $from => $to ];
- } elseif ( $from !== '' && in_array( $v, $variants ) ) {
- $unidtable[$v][$from] = $to;
+ && $vv ) {
+ $unidtable[$vv] = [ $from => $to ];
+ } elseif ( $from !== '' && $vv ) {
+ $unidtable[$vv][$from] = $to;