bool $required = false): string
{
// First day of the week (0 = Sunday)
- $firstDay = DI::pConfig()->get(local_user(), 'system', 'first_day_of_week', 0);
+ $firstDay = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'first_day_of_week', 0);
$lang = substr(DI::l10n()->getCurrentLang(), 0, 2);