private function plusWithOverflow(ChronoLocalDate $newDate, $hours, $minutes, $seconds, $nanos) { // 9223372036854775808 long, 2147483648 int if (($hours | $minutes | $seconds | $nanos) === 0) { return $this->_with($newDate, $this->time); } $totDays = Math::div($nanos, self::NANOS_PER_DAY) + Math::div($seconds, self::SECONDS_PER_DAY) + Math::div($minutes, self::MINUTES_PER_DAY) + Math::div($hours, self::HOURS_PER_DAY); // max/24 $totNanos = ${$nanos} % self::NANOS_PER_DAY + $seconds % self::SECONDS_PER_DAY * self::NANOS_PER_SECOND + $minutes % self::MINUTES_PER_DAY * self::NANOS_PER_MINUTE + $hours % self::HOURS_PER_DAY * self::NANOS_PER_HOUR; // max 86400000000000 $curNoD = $this->time->toNanoOfDay(); // max 86400000000000 $totNanos = $totNanos + $curNoD; // total 432000000000000 $totDays += Math::floorDiv($totNanos, self::NANOS_PER_DAY); $newNoD = Math::floorMod($totNanos, self::NANOS_PER_DAY); $newTime = $newNoD === $curNoD ? $this->time : LocalTime::ofNanoOfDay($newNoD); return $this->_with($newDate->plus($totDays, ChronoUnit::DAYS()), $newTime); }
/** * Calculates the amount of time until another date-time in terms of the specified unit. * <p> * This calculates the amount of time between two {@code LocalDateTime} * objects in terms of a single {@code TemporalUnit}. * The start and end points are {@code this} and the specified date-time. * The result will be negative if the end is before the start. * The {@code Temporal} passed to this method is converted to a * {@code LocalDateTime} using {@link #from(TemporalAccessor)}. * For example, the amount in days between two date-times can be calculated * using {@code startDateTime.until(endDateTime, DAYS)}. * <p> * The calculation returns a whole number, representing the number of * complete units between the two date-times. * For example, the amount in months between 2012-06-15T00:00 and 2012-08-14T23:59 * will only be one month as it is one minute short of two months. * <p> * There are two equivalent ways of using this method. * The first is to invoke this method. * The second is to use {@link TemporalUnit#between(Temporal, Temporal)}: * <pre> * // these two lines are equivalent * amount = start.until(end, MONTHS); * amount = MONTHS.between(start, end); * </pre> * The choice should be made based on which makes the code more readable. * <p> * The calculation is implemented in this method for {@link ChronoUnit}. * The units {@code NANOS}, {@code MICROS}, {@code MILLIS}, {@code SECONDS}, * {@code MINUTES}, {@code HOURS} and {@code HALF_DAYS}, {@code DAYS}, * {@code WEEKS}, {@code MONTHS}, {@code YEARS}, {@code DECADES}, * {@code CENTURIES}, {@code MILLENNIA} and {@code ERAS} are supported. * Other {@code ChronoUnit} values will throw an exception. * <p> * If the unit is not a {@code ChronoUnit}, then the result of this method * is obtained by invoking {@code TemporalUnit.between(Temporal, Temporal)} * passing {@code this} as the first argument and the converted input temporal * as the second argument. * <p> * This instance is immutable and unaffected by this method call. * * @param Temporal $endExclusive the end date, exclusive, which is converted to a {@code LocalDateTime}, not null * @param TemporalUnit $unit the unit to measure the amount in, not null * @return int the amount of time between this date-time and the end date-time * @throws DateTimeException if the amount cannot be calculated, or the end * temporal cannot be converted to a {@code LocalDateTime} * @throws UnsupportedTemporalTypeException if the unit is not supported * @throws ArithmeticException if numeric overflow occurs */ public function until(Temporal $endExclusive, TemporalUnit $unit) { $end = LocalDateTime::from($endExclusive); if ($unit instanceof ChronoUnit) { if ($unit->isTimeBased()) { $amount = $this->date->daysUntil($end->date); if ($amount === 0) { return $this->time->until($end->time, $unit); } $timePart = $end->time->toNanoOfDay() - $this->time->toNanoOfDay(); if ($amount > 0) { $amount--; // safe $timePart += LocalTime::NANOS_PER_DAY; // safe } else { $amount++; // safe $timePart -= LocalTime::NANOS_PER_DAY; // safe } switch ($unit) { case ChronoUnit::NANOS(): $amount = Math::multiplyExact($amount, LocalTime::NANOS_PER_DAY); break; case ChronoUnit::MICROS(): $amount = Math::multiplyExact($amount, LocalTime::MICROS_PER_DAY); $timePart = Math::div($timePart, 1000); break; case ChronoUnit::MILLIS(): $amount = Math::multiplyExact($amount, LocalTime::MILLIS_PER_DAY); $timePart = Math::div($timePart, 1000000); break; case ChronoUnit::SECONDS(): $amount = Math::multiplyExact($amount, LocalTime::SECONDS_PER_DAY); $timePart = Math::div($timePart, LocalTime::NANOS_PER_SECOND); break; case ChronoUnit::MINUTES(): $amount = Math::multiplyExact($amount, LocalTime::MINUTES_PER_DAY); $timePart = Math::div($timePart, LocalTime::NANOS_PER_MINUTE); break; case ChronoUnit::HOURS(): $amount = Math::multiplyExact($amount, LocalTime::HOURS_PER_DAY); $timePart = Math::div($timePart, LocalTime::NANOS_PER_HOUR); break; case ChronoUnit::HALF_DAYS(): $amount = Math::multiplyExact($amount, 2); $timePart = Math::div($timePart, LocalTime::NANOS_PER_HOUR * 12); break; } return Math::addExact($amount, $timePart); } $endDate = $end->date; if ($endDate->isAfter($this->date) && $end->time->isBefore($this->time)) { $endDate = $endDate->minusDays(1); } else { if ($endDate->isBefore($this->date) && $end->time->isAfter($this->time)) { $endDate = $endDate->plusDays(1); } } return $this->date->until($endDate, $unit); } return $unit->between($this, $end); }
/** * Converts this time to epoch nanos based on 1970-01-01Z. * * @return int the epoch nanos value */ private function toEpochNano() { $nod = $this->time->toNanoOfDay(); $offsetNanos = $this->offset->getTotalSeconds() * LocalTime::NANOS_PER_SECOND; return $nod - $offsetNanos; }