app/Date/AbstractCalendarDate.php

83     public function __construct(array|int|AbstractCalendarDate $date)  argument
86         if (is_int($date)) {
87             $this->minimum_julian_day = $date;
88             $this->maximum_julian_day = $date;
89             [$this->year, $this->month, $this->day] = $this->calendar->jdToYmd($date);
95         if (is_array($date)) {
96             $this->day = (int) $date[2];
97             $this->month = static::MONTH_TO_NUMBER[$date[1]] ?? 0;
103             $this->year = $this->extractYear($date[0]);
116         $this->minimum_julian_day = $date->minimum_julian_day;
117         $this->maximum_julian_day = $date->maximum_julian_day;
120         if (get_class($this) === get_class($date)) {
121             $this->year  = $date->year;
122             $this->month = $date->month;
123             $this->day   = $date->day;
138         if ($date->year === 0) {
140             $today = $date->calendar->jdToYmd(Registry::timestampFactory()->now()->julianDay());
141 …$jd    = $date->calendar->ymdToJd($today[0], $date->month, $date->day === 0 ? $today[2] : $date->d…
144             $jd = intdiv($date->maximum_julian_day + $date->minimum_julian_day, 2);
148         if ($date->year === 0) {
151         if ($date->month === 0) {
154         if ($date->day === 0) {
343      * @param AbstractCalendarDate $date
347     public function ageDifference(AbstractCalendarDate $date): array  argument
350         if ($this->year === 0 || $date->year === 0) {
355         if (self::compare($this, $date) === 0) {
361         [$year2, $month2, $day2] = $this->calendar->jdToYmd($date->minimum_julian_day);