48     private AbstractCalendarDate|null $date2 = null;  variable in Fisharebest\\Webtrees\\Date
71             $this->date2 = $calendar_date_factory->make($match[4]);
87         if ($this->date2 !== null) {
88             $this->date2 = clone $this->date2;
121         if ($this->date2 === null) {
124             $d2 = $this->date2->format($date_format, $this->qual2);
137                 if ($this->date2 === null) {
141                     $d2conv = $this->date2->convertToCalendar($cal_fmt);
160                 if ($this->date2 !== null && $d2 !== $d2tmp && $d1tmp !== '') {
173             if ($this->date2 instanceof AbstractCalendarDate) {
174 …$d2 = '<a href="' . e($this->date2->calendarUrl($date_format, $tree)) . '" rel="nofollow">' . $d2 …
259         return $this->date2 ?? $this->date1;
315         $tmp->date2 = null;