// new key (5::duration/6::flags) or old key (0/optional 1)
if ( $entry->isLegacy() ) {
$rawDuration = $parameters[0];
- $rawFlags = isset( $parameters[1] ) ? $parameters[1] : '';
+ $rawFlags = $parameters[1] ?? '';
} else {
$rawDuration = $parameters['5::duration'];
$rawFlags = $parameters['6::flags'];