$formDescriptor['date'] = [
'type' => 'date',
'label-message' => 'date',
- 'default' => sprintf( "%04d-%02d-%02d", $year, $month, $day ),
+ 'default' => $year && $month && $day ? sprintf( "%04d-%02d-%02d", $year, $month, $day ) : '',
];
// Tag filter