The database code depends on web2project 3.2.90 now.

For some reason the base class $this->canEdit(), canDelete(), canCreate()
etc functions do not work as I expect in these situations.

The construct <?= does not work in all PHP version, so replace this
by a more generic version <?php e

Only change year to book_year when it is about a new timesheet. If the timesheet already exists use its date.

Booking for a new year now needs administrative intervention to change year.