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public/vendor/nesbot/carbon/src/Carbon/Traits/Difference.php 53.1 KB
86143e36f   Андрей Ларионов   Коммит вторник
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  <?php
  
  /**
   * This file is part of the Carbon package.
   *
   * (c) Brian Nesbitt <brian@nesbot.com>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  namespace Carbon\Traits;
  
  use Carbon\Carbon;
  use Carbon\CarbonImmutable;
  use Carbon\CarbonInterface;
  use Carbon\CarbonInterval;
  use Carbon\CarbonPeriod;
  use Carbon\Translator;
  use Closure;
  use DateInterval;
  use DateTimeInterface;
  use ReturnTypeWillChange;
  
  /**
   * Trait Difference.
   *
   * Depends on the following methods:
   *
   * @method bool lessThan($date)
   * @method static copy()
   * @method static resolveCarbon($date = null)
   * @method static Translator translator()
   */
  trait Difference
  {
      /**
       * @codeCoverageIgnore
       *
       * @param CarbonInterval $diff
       */
      protected static function fixNegativeMicroseconds(CarbonInterval $diff)
      {
          if ($diff->s !== 0 || $diff->i !== 0 || $diff->h !== 0 || $diff->d !== 0 || $diff->m !== 0 || $diff->y !== 0) {
              $diff->f = (round($diff->f * 1000000) + 1000000) / 1000000;
              $diff->s--;
  
              if ($diff->s < 0) {
                  $diff->s += 60;
                  $diff->i--;
  
                  if ($diff->i < 0) {
                      $diff->i += 60;
                      $diff->h--;
  
                      if ($diff->h < 0) {
                          $diff->h += 24;
                          $diff->d--;
  
                          if ($diff->d < 0) {
                              $diff->d += 30;
                              $diff->m--;
  
                              if ($diff->m < 0) {
                                  $diff->m += 12;
                                  $diff->y--;
                              }
                          }
                      }
                  }
              }
  
              return;
          }
  
          $diff->f *= -1;
          $diff->invert();
      }
  
      /**
       * @param DateInterval $diff
       * @param bool         $absolute
       *
       * @return CarbonInterval
       */
      protected static function fixDiffInterval(DateInterval $diff, $absolute, array $skip = [])
      {
          $diff = CarbonInterval::instance($diff, $skip);
  
          // Work-around for https://bugs.php.net/bug.php?id=77145
          // @codeCoverageIgnoreStart
          if ($diff->f > 0 && $diff->y === -1 && $diff->m === 11 && $diff->d >= 27 && $diff->h === 23 && $diff->i === 59 && $diff->s === 59) {
              $diff->y = 0;
              $diff->m = 0;
              $diff->d = 0;
              $diff->h = 0;
              $diff->i = 0;
              $diff->s = 0;
              $diff->f = (1000000 - round($diff->f * 1000000)) / 1000000;
              $diff->invert();
          } elseif ($diff->f < 0) {
              static::fixNegativeMicroseconds($diff);
          }
          // @codeCoverageIgnoreEnd
  
          if ($absolute && $diff->invert) {
              $diff->invert();
          }
  
          return $diff;
      }
  
      /**
       * Get the difference as a DateInterval instance.
       * Return relative interval (negative if $absolute flag is not set to true and the given date is before
       * current one).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return DateInterval
       */
      #[ReturnTypeWillChange]
      public function diff($date = null, $absolute = false)
      {
          $other = $this->resolveCarbon($date);
  
          // Work-around for https://bugs.php.net/bug.php?id=81458
          // It was initially introduced for https://bugs.php.net/bug.php?id=80998
          // The very specific case of 80998 was fixed in PHP 8.1beta3, but it introduced 81458
          // So we still need to keep this for now
          // @codeCoverageIgnoreStart
          if (version_compare(PHP_VERSION, '8.1.0-dev', '>=') && $other->tz !== $this->tz) {
              $other = $other->avoidMutation()->tz($this->tz);
          }
          // @codeCoverageIgnoreEnd
  
          return parent::diff($other, (bool) $absolute);
      }
  
      /**
       * Get the difference as a CarbonInterval instance.
       * Return relative interval (negative if $absolute flag is not set to true and the given date is before
       * current one).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return CarbonInterval
       */
      public function diffAsCarbonInterval($date = null, $absolute = true, array $skip = [])
      {
          return static::fixDiffInterval($this->diff($this->resolveCarbon($date), $absolute), $absolute, $skip);
      }
  
      /**
       * Get the difference in years
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInYears($date = null, $absolute = true)
      {
          return (int) $this->diff($this->resolveCarbon($date), $absolute)->format('%r%y');
      }
  
      /**
       * Get the difference in quarters rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInQuarters($date = null, $absolute = true)
      {
          return (int) ($this->diffInMonths($date, $absolute) / static::MONTHS_PER_QUARTER);
      }
  
      /**
       * Get the difference in months rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInMonths($date = null, $absolute = true)
      {
          $date = $this->resolveCarbon($date)->avoidMutation()->tz($this->tz);
  
          [$yearStart, $monthStart, $dayStart] = explode('-', $this->format('Y-m-dHisu'));
          [$yearEnd, $monthEnd, $dayEnd] = explode('-', $date->format('Y-m-dHisu'));
  
          $diff = (((int) $yearEnd) - ((int) $yearStart)) * static::MONTHS_PER_YEAR +
              ((int) $monthEnd) - ((int) $monthStart);
  
          if ($diff > 0) {
              $diff -= ($dayStart > $dayEnd ? 1 : 0);
          } elseif ($diff < 0) {
              $diff += ($dayStart < $dayEnd ? 1 : 0);
          }
  
          return $absolute ? abs($diff) : $diff;
      }
  
      /**
       * Get the difference in weeks rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInWeeks($date = null, $absolute = true)
      {
          return (int) ($this->diffInDays($date, $absolute) / static::DAYS_PER_WEEK);
      }
  
      /**
       * Get the difference in days rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInDays($date = null, $absolute = true)
      {
          return $this->getIntervalDayDiff($this->diff($this->resolveCarbon($date), $absolute));
      }
  
      /**
       * Get the difference in days using a filter closure rounded down.
       *
       * @param Closure                                                $callback
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInDaysFiltered(Closure $callback, $date = null, $absolute = true)
      {
          return $this->diffFiltered(CarbonInterval::day(), $callback, $date, $absolute);
      }
  
      /**
       * Get the difference in hours using a filter closure rounded down.
       *
       * @param Closure                                                $callback
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInHoursFiltered(Closure $callback, $date = null, $absolute = true)
      {
          return $this->diffFiltered(CarbonInterval::hour(), $callback, $date, $absolute);
      }
  
      /**
       * Get the difference by the given interval using a filter closure.
       *
       * @param CarbonInterval                                         $ci       An interval to traverse by
       * @param Closure                                                $callback
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffFiltered(CarbonInterval $ci, Closure $callback, $date = null, $absolute = true)
      {
          $start = $this;
          $end = $this->resolveCarbon($date);
          $inverse = false;
  
          if ($end < $start) {
              $start = $end;
              $end = $this;
              $inverse = true;
          }
  
          $options = CarbonPeriod::EXCLUDE_END_DATE | ($this->isMutable() ? 0 : CarbonPeriod::IMMUTABLE);
          $diff = $ci->toPeriod($start, $end, $options)->filter($callback)->count();
  
          return $inverse && !$absolute ? -$diff : $diff;
      }
  
      /**
       * Get the difference in weekdays rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInWeekdays($date = null, $absolute = true)
      {
          return $this->diffInDaysFiltered(static function (CarbonInterface $date) {
              return $date->isWeekday();
          }, $this->resolveCarbon($date)->avoidMutation()->modify($this->format('H:i:s.u')), $absolute);
      }
  
      /**
       * Get the difference in weekend days using a filter rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInWeekendDays($date = null, $absolute = true)
      {
          return $this->diffInDaysFiltered(static function (CarbonInterface $date) {
              return $date->isWeekend();
          }, $this->resolveCarbon($date)->avoidMutation()->modify($this->format('H:i:s.u')), $absolute);
      }
  
      /**
       * Get the difference in hours rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInHours($date = null, $absolute = true)
      {
          return (int) ($this->diffInSeconds($date, $absolute) / static::SECONDS_PER_MINUTE / static::MINUTES_PER_HOUR);
      }
  
      /**
       * Get the difference in hours rounded down using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInRealHours($date = null, $absolute = true)
      {
          return (int) ($this->diffInRealSeconds($date, $absolute) / static::SECONDS_PER_MINUTE / static::MINUTES_PER_HOUR);
      }
  
      /**
       * Get the difference in minutes rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInMinutes($date = null, $absolute = true)
      {
          return (int) ($this->diffInSeconds($date, $absolute) / static::SECONDS_PER_MINUTE);
      }
  
      /**
       * Get the difference in minutes rounded down using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInRealMinutes($date = null, $absolute = true)
      {
          return (int) ($this->diffInRealSeconds($date, $absolute) / static::SECONDS_PER_MINUTE);
      }
  
      /**
       * Get the difference in seconds rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInSeconds($date = null, $absolute = true)
      {
          $diff = $this->diff($date);
  
          if ($diff->days === 0) {
              $diff = static::fixDiffInterval($diff, $absolute);
          }
  
          $value = (((($diff->m || $diff->y ? $diff->days : $diff->d) * static::HOURS_PER_DAY) +
              $diff->h) * static::MINUTES_PER_HOUR +
              $diff->i) * static::SECONDS_PER_MINUTE +
              $diff->s;
  
          return $absolute || !$diff->invert ? $value : -$value;
      }
  
      /**
       * Get the difference in microseconds.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInMicroseconds($date = null, $absolute = true)
      {
          $diff = $this->diff($date);
          $value = (int) round(((((($diff->m || $diff->y ? $diff->days : $diff->d) * static::HOURS_PER_DAY) +
              $diff->h) * static::MINUTES_PER_HOUR +
              $diff->i) * static::SECONDS_PER_MINUTE +
              ($diff->f + $diff->s)) * static::MICROSECONDS_PER_SECOND);
  
          return $absolute || !$diff->invert ? $value : -$value;
      }
  
      /**
       * Get the difference in milliseconds rounded down.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInMilliseconds($date = null, $absolute = true)
      {
          return (int) ($this->diffInMicroseconds($date, $absolute) / static::MICROSECONDS_PER_MILLISECOND);
      }
  
      /**
       * Get the difference in seconds using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInRealSeconds($date = null, $absolute = true)
      {
          /** @var CarbonInterface $date */
          $date = $this->resolveCarbon($date);
          $value = $date->getTimestamp() - $this->getTimestamp();
  
          return $absolute ? abs($value) : $value;
      }
  
      /**
       * Get the difference in microseconds using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInRealMicroseconds($date = null, $absolute = true)
      {
          /** @var CarbonInterface $date */
          $date = $this->resolveCarbon($date);
          $value = ($date->timestamp - $this->timestamp) * static::MICROSECONDS_PER_SECOND +
              $date->micro - $this->micro;
  
          return $absolute ? abs($value) : $value;
      }
  
      /**
       * Get the difference in milliseconds rounded down using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return int
       */
      public function diffInRealMilliseconds($date = null, $absolute = true)
      {
          return (int) ($this->diffInRealMicroseconds($date, $absolute) / static::MICROSECONDS_PER_MILLISECOND);
      }
  
      /**
       * Get the difference in seconds as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInSeconds($date = null, $absolute = true)
      {
          return (float) ($this->diffInMicroseconds($date, $absolute) / static::MICROSECONDS_PER_SECOND);
      }
  
      /**
       * Get the difference in minutes as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInMinutes($date = null, $absolute = true)
      {
          return $this->floatDiffInSeconds($date, $absolute) / static::SECONDS_PER_MINUTE;
      }
  
      /**
       * Get the difference in hours as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInHours($date = null, $absolute = true)
      {
          return $this->floatDiffInMinutes($date, $absolute) / static::MINUTES_PER_HOUR;
      }
  
      /**
       * Get the difference in days as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInDays($date = null, $absolute = true)
      {
          $hoursDiff = $this->floatDiffInHours($date, $absolute);
          $interval = $this->diff($date, $absolute);
  
          if ($interval->y === 0 && $interval->m === 0 && $interval->d === 0) {
              return $hoursDiff / static::HOURS_PER_DAY;
          }
  
          $daysDiff = $this->getIntervalDayDiff($interval);
  
          return $daysDiff + fmod($hoursDiff, static::HOURS_PER_DAY) / static::HOURS_PER_DAY;
      }
  
      /**
       * Get the difference in weeks as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInWeeks($date = null, $absolute = true)
      {
          return $this->floatDiffInDays($date, $absolute) / static::DAYS_PER_WEEK;
      }
  
      /**
       * Get the difference in months as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInMonths($date = null, $absolute = true)
      {
          $start = $this;
          $end = $this->resolveCarbon($date);
          $ascending = ($start <= $end);
          $sign = $absolute || $ascending ? 1 : -1;
          if (!$ascending) {
              [$start, $end] = [$end, $start];
          }
          $monthsDiff = $start->diffInMonths($end);
          /** @var Carbon|CarbonImmutable $floorEnd */
          $floorEnd = $start->avoidMutation()->addMonths($monthsDiff);
  
          if ($floorEnd >= $end) {
              return $sign * $monthsDiff;
          }
  
          /** @var Carbon|CarbonImmutable $startOfMonthAfterFloorEnd */
          $startOfMonthAfterFloorEnd = $floorEnd->avoidMutation()->addMonth()->startOfMonth();
  
          if ($startOfMonthAfterFloorEnd > $end) {
              return $sign * ($monthsDiff + $floorEnd->floatDiffInDays($end) / $floorEnd->daysInMonth);
          }
  
          return $sign * ($monthsDiff + $floorEnd->floatDiffInDays($startOfMonthAfterFloorEnd) / $floorEnd->daysInMonth + $startOfMonthAfterFloorEnd->floatDiffInDays($end) / $end->daysInMonth);
      }
  
      /**
       * Get the difference in year as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInYears($date = null, $absolute = true)
      {
          $start = $this;
          $end = $this->resolveCarbon($date);
          $ascending = ($start <= $end);
          $sign = $absolute || $ascending ? 1 : -1;
          if (!$ascending) {
              [$start, $end] = [$end, $start];
          }
          $yearsDiff = $start->diffInYears($end);
          /** @var Carbon|CarbonImmutable $floorEnd */
          $floorEnd = $start->avoidMutation()->addYears($yearsDiff);
  
          if ($floorEnd >= $end) {
              return $sign * $yearsDiff;
          }
  
          /** @var Carbon|CarbonImmutable $startOfYearAfterFloorEnd */
          $startOfYearAfterFloorEnd = $floorEnd->avoidMutation()->addYear()->startOfYear();
  
          if ($startOfYearAfterFloorEnd > $end) {
              return $sign * ($yearsDiff + $floorEnd->floatDiffInDays($end) / $floorEnd->daysInYear);
          }
  
          return $sign * ($yearsDiff + $floorEnd->floatDiffInDays($startOfYearAfterFloorEnd) / $floorEnd->daysInYear + $startOfYearAfterFloorEnd->floatDiffInDays($end) / $end->daysInYear);
      }
  
      /**
       * Get the difference in seconds as float (microsecond-precision) using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInRealSeconds($date = null, $absolute = true)
      {
          return $this->diffInRealMicroseconds($date, $absolute) / static::MICROSECONDS_PER_SECOND;
      }
  
      /**
       * Get the difference in minutes as float (microsecond-precision) using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInRealMinutes($date = null, $absolute = true)
      {
          return $this->floatDiffInRealSeconds($date, $absolute) / static::SECONDS_PER_MINUTE;
      }
  
      /**
       * Get the difference in hours as float (microsecond-precision) using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInRealHours($date = null, $absolute = true)
      {
          return $this->floatDiffInRealMinutes($date, $absolute) / static::MINUTES_PER_HOUR;
      }
  
      /**
       * Get the difference in days as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInRealDays($date = null, $absolute = true)
      {
          $date = $this->resolveUTC($date);
          $utc = $this->avoidMutation()->utc();
          $hoursDiff = $utc->floatDiffInRealHours($date, $absolute);
  
          return ($hoursDiff < 0 ? -1 : 1) * $utc->diffInDays($date) + fmod($hoursDiff, static::HOURS_PER_DAY) / static::HOURS_PER_DAY;
      }
  
      /**
       * Get the difference in weeks as float (microsecond-precision).
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInRealWeeks($date = null, $absolute = true)
      {
          return $this->floatDiffInRealDays($date, $absolute) / static::DAYS_PER_WEEK;
      }
  
      /**
       * Get the difference in months as float (microsecond-precision) using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInRealMonths($date = null, $absolute = true)
      {
          $start = $this;
          $end = $this->resolveCarbon($date);
          $ascending = ($start <= $end);
          $sign = $absolute || $ascending ? 1 : -1;
          if (!$ascending) {
              [$start, $end] = [$end, $start];
          }
          $monthsDiff = $start->diffInMonths($end);
          /** @var Carbon|CarbonImmutable $floorEnd */
          $floorEnd = $start->avoidMutation()->addMonths($monthsDiff);
  
          if ($floorEnd >= $end) {
              return $sign * $monthsDiff;
          }
  
          /** @var Carbon|CarbonImmutable $startOfMonthAfterFloorEnd */
          $startOfMonthAfterFloorEnd = $floorEnd->avoidMutation()->addMonth()->startOfMonth();
  
          if ($startOfMonthAfterFloorEnd > $end) {
              return $sign * ($monthsDiff + $floorEnd->floatDiffInRealDays($end) / $floorEnd->daysInMonth);
          }
  
          return $sign * ($monthsDiff + $floorEnd->floatDiffInRealDays($startOfMonthAfterFloorEnd) / $floorEnd->daysInMonth + $startOfMonthAfterFloorEnd->floatDiffInRealDays($end) / $end->daysInMonth);
      }
  
      /**
       * Get the difference in year as float (microsecond-precision) using timestamps.
       *
       * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
       * @param bool                                                   $absolute Get the absolute of the difference
       *
       * @return float
       */
      public function floatDiffInRealYears($date = null, $absolute = true)
      {
          $start = $this;
          $end = $this->resolveCarbon($date);
          $ascending = ($start <= $end);
          $sign = $absolute || $ascending ? 1 : -1;
          if (!$ascending) {
              [$start, $end] = [$end, $start];
          }
          $yearsDiff = $start->diffInYears($end);
          /** @var Carbon|CarbonImmutable $floorEnd */
          $floorEnd = $start->avoidMutation()->addYears($yearsDiff);
  
          if ($floorEnd >= $end) {
              return $sign * $yearsDiff;
          }
  
          /** @var Carbon|CarbonImmutable $startOfYearAfterFloorEnd */
          $startOfYearAfterFloorEnd = $floorEnd->avoidMutation()->addYear()->startOfYear();
  
          if ($startOfYearAfterFloorEnd > $end) {
              return $sign * ($yearsDiff + $floorEnd->floatDiffInRealDays($end) / $floorEnd->daysInYear);
          }
  
          return $sign * ($yearsDiff + $floorEnd->floatDiffInRealDays($startOfYearAfterFloorEnd) / $floorEnd->daysInYear + $startOfYearAfterFloorEnd->floatDiffInRealDays($end) / $end->daysInYear);
      }
  
      /**
       * The number of seconds since midnight.
       *
       * @return int
       */
      public function secondsSinceMidnight()
      {
          return $this->diffInSeconds($this->avoidMutation()->startOfDay());
      }
  
      /**
       * The number of seconds until 23:59:59.
       *
       * @return int
       */
      public function secondsUntilEndOfDay()
      {
          return $this->diffInSeconds($this->avoidMutation()->endOfDay());
      }
  
      /**
       * Get the difference in a human readable format in the current locale from current instance to an other
       * instance given (or now if null given).
       *
       * @example
       * ```
       * echo Carbon::tomorrow()->diffForHumans() . "
  ";
       * echo Carbon::tomorrow()->diffForHumans(['parts' => 2]) . "
  ";
       * echo Carbon::tomorrow()->diffForHumans(['parts' => 3, 'join' => true]) . "
  ";
       * echo Carbon::tomorrow()->diffForHumans(Carbon::yesterday()) . "
  ";
       * echo Carbon::tomorrow()->diffForHumans(Carbon::yesterday(), ['short' => true]) . "
  ";
       * ```
       *
       * @param Carbon|\DateTimeInterface|string|array|null $other   if array passed, will be used as parameters array, see $syntax below;
       *                                                             if null passed, now will be used as comparison reference;
       *                                                             if any other type, it will be converted to date and used as reference.
       * @param int|array                                   $syntax  if array passed, parameters will be extracted from it, the array may contains:
       *                                                             - 'syntax' entry (see below)
       *                                                             - 'short' entry (see below)
       *                                                             - 'parts' entry (see below)
       *                                                             - 'options' entry (see below)
       *                                                             - 'skip' entry, list of units to skip (array of strings or a single string,
       *                                                             ` it can be the unit name (singular or plural) or its shortcut
       *                                                             ` (y, m, w, d, h, min, s, ms, µs).
       *                                                             - 'aUnit' entry, prefer "an hour" over "1 hour" if true
       *                                                             - 'join' entry determines how to join multiple parts of the string
       *                                                             `  - if $join is a string, it's used as a joiner glue
       *                                                             `  - if $join is a callable/closure, it get the list of string and should return a string
       *                                                             `  - if $join is an array, the first item will be the default glue, and the second item
       *                                                             `    will be used instead of the glue for the last item
       *                                                             `  - if $join is true, it will be guessed from the locale ('list' translation file entry)
       *                                                             `  - if $join is missing, a space will be used as glue
       *                                                             - 'other' entry (see above)
       *                                                             - 'minimumUnit' entry determines the smallest unit of time to display can be long or
       *                                                             `  short form of the units, e.g. 'hour' or 'h' (default value: s)
       *                                                             if int passed, it add modifiers:
       *                                                             Possible values:
       *                                                             - CarbonInterface::DIFF_ABSOLUTE          no modifiers
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_NOW   add ago/from now modifier
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
       *                                                             Default value: CarbonInterface::DIFF_ABSOLUTE
       * @param bool                                        $short   displays short format of time units
       * @param int                                         $parts   maximum number of parts to display (default value: 1: single unit)
       * @param int                                         $options human diff options
       *
       * @return string
       */
      public function diffForHumans($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
      {
          /* @var CarbonInterface $this */
          if (\is_array($other)) {
              $other['syntax'] = \array_key_exists('syntax', $other) ? $other['syntax'] : $syntax;
              $syntax = $other;
              $other = $syntax['other'] ?? null;
          }
  
          $intSyntax = &$syntax;
          if (\is_array($syntax)) {
              $syntax['syntax'] = $syntax['syntax'] ?? null;
              $intSyntax = &$syntax['syntax'];
          }
          $intSyntax = (int) ($intSyntax ?? static::DIFF_RELATIVE_AUTO);
          $intSyntax = $intSyntax === static::DIFF_RELATIVE_AUTO && $other === null ? static::DIFF_RELATIVE_TO_NOW : $intSyntax;
  
          $parts = min(7, max(1, (int) $parts));
          $skip = \is_array($syntax) ? ($syntax['skip'] ?? []) : [];
  
          return $this->diffAsCarbonInterval($other, false, (array) $skip)
              ->setLocalTranslator($this->getLocalTranslator())
              ->forHumans($syntax, (bool) $short, $parts, $options ?? $this->localHumanDiffOptions ?? static::getHumanDiffOptions());
      }
  
      /**
       * @alias diffForHumans
       *
       * Get the difference in a human readable format in the current locale from current instance to an other
       * instance given (or now if null given).
       *
       * @param Carbon|\DateTimeInterface|string|array|null $other   if array passed, will be used as parameters array, see $syntax below;
       *                                                             if null passed, now will be used as comparison reference;
       *                                                             if any other type, it will be converted to date and used as reference.
       * @param int|array                                   $syntax  if array passed, parameters will be extracted from it, the array may contains:
       *                                                             - 'syntax' entry (see below)
       *                                                             - 'short' entry (see below)
       *                                                             - 'parts' entry (see below)
       *                                                             - 'options' entry (see below)
       *                                                             - 'join' entry determines how to join multiple parts of the string
       *                                                             `  - if $join is a string, it's used as a joiner glue
       *                                                             `  - if $join is a callable/closure, it get the list of string and should return a string
       *                                                             `  - if $join is an array, the first item will be the default glue, and the second item
       *                                                             `    will be used instead of the glue for the last item
       *                                                             `  - if $join is true, it will be guessed from the locale ('list' translation file entry)
       *                                                             `  - if $join is missing, a space will be used as glue
       *                                                             - 'other' entry (see above)
       *                                                             if int passed, it add modifiers:
       *                                                             Possible values:
       *                                                             - CarbonInterface::DIFF_ABSOLUTE          no modifiers
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_NOW   add ago/from now modifier
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
       *                                                             Default value: CarbonInterface::DIFF_ABSOLUTE
       * @param bool                                        $short   displays short format of time units
       * @param int                                         $parts   maximum number of parts to display (default value: 1: single unit)
       * @param int                                         $options human diff options
       *
       * @return string
       */
      public function from($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
      {
          return $this->diffForHumans($other, $syntax, $short, $parts, $options);
      }
  
      /**
       * @alias diffForHumans
       *
       * Get the difference in a human readable format in the current locale from current instance to an other
       * instance given (or now if null given).
       */
      public function since($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
      {
          return $this->diffForHumans($other, $syntax, $short, $parts, $options);
      }
  
      /**
       * Get the difference in a human readable format in the current locale from an other
       * instance given (or now if null given) to current instance.
       *
       * When comparing a value in the past to default now:
       * 1 hour from now
       * 5 months from now
       *
       * When comparing a value in the future to default now:
       * 1 hour ago
       * 5 months ago
       *
       * When comparing a value in the past to another value:
       * 1 hour after
       * 5 months after
       *
       * When comparing a value in the future to another value:
       * 1 hour before
       * 5 months before
       *
       * @param Carbon|\DateTimeInterface|string|array|null $other   if array passed, will be used as parameters array, see $syntax below;
       *                                                             if null passed, now will be used as comparison reference;
       *                                                             if any other type, it will be converted to date and used as reference.
       * @param int|array                                   $syntax  if array passed, parameters will be extracted from it, the array may contains:
       *                                                             - 'syntax' entry (see below)
       *                                                             - 'short' entry (see below)
       *                                                             - 'parts' entry (see below)
       *                                                             - 'options' entry (see below)
       *                                                             - 'join' entry determines how to join multiple parts of the string
       *                                                             `  - if $join is a string, it's used as a joiner glue
       *                                                             `  - if $join is a callable/closure, it get the list of string and should return a string
       *                                                             `  - if $join is an array, the first item will be the default glue, and the second item
       *                                                             `    will be used instead of the glue for the last item
       *                                                             `  - if $join is true, it will be guessed from the locale ('list' translation file entry)
       *                                                             `  - if $join is missing, a space will be used as glue
       *                                                             - 'other' entry (see above)
       *                                                             if int passed, it add modifiers:
       *                                                             Possible values:
       *                                                             - CarbonInterface::DIFF_ABSOLUTE          no modifiers
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_NOW   add ago/from now modifier
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
       *                                                             Default value: CarbonInterface::DIFF_ABSOLUTE
       * @param bool                                        $short   displays short format of time units
       * @param int                                         $parts   maximum number of parts to display (default value: 1: single unit)
       * @param int                                         $options human diff options
       *
       * @return string
       */
      public function to($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
      {
          if (!$syntax && !$other) {
              $syntax = CarbonInterface::DIFF_RELATIVE_TO_NOW;
          }
  
          return $this->resolveCarbon($other)->diffForHumans($this, $syntax, $short, $parts, $options);
      }
  
      /**
       * @alias to
       *
       * Get the difference in a human readable format in the current locale from an other
       * instance given (or now if null given) to current instance.
       *
       * @param Carbon|\DateTimeInterface|string|array|null $other   if array passed, will be used as parameters array, see $syntax below;
       *                                                             if null passed, now will be used as comparison reference;
       *                                                             if any other type, it will be converted to date and used as reference.
       * @param int|array                                   $syntax  if array passed, parameters will be extracted from it, the array may contains:
       *                                                             - 'syntax' entry (see below)
       *                                                             - 'short' entry (see below)
       *                                                             - 'parts' entry (see below)
       *                                                             - 'options' entry (see below)
       *                                                             - 'join' entry determines how to join multiple parts of the string
       *                                                             `  - if $join is a string, it's used as a joiner glue
       *                                                             `  - if $join is a callable/closure, it get the list of string and should return a string
       *                                                             `  - if $join is an array, the first item will be the default glue, and the second item
       *                                                             `    will be used instead of the glue for the last item
       *                                                             `  - if $join is true, it will be guessed from the locale ('list' translation file entry)
       *                                                             `  - if $join is missing, a space will be used as glue
       *                                                             - 'other' entry (see above)
       *                                                             if int passed, it add modifiers:
       *                                                             Possible values:
       *                                                             - CarbonInterface::DIFF_ABSOLUTE          no modifiers
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_NOW   add ago/from now modifier
       *                                                             - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
       *                                                             Default value: CarbonInterface::DIFF_ABSOLUTE
       * @param bool                                        $short   displays short format of time units
       * @param int                                         $parts   maximum number of parts to display (default value: 1: single unit)
       * @param int                                         $options human diff options
       *
       * @return string
       */
      public function until($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
      {
          return $this->to($other, $syntax, $short, $parts, $options);
      }
  
      /**
       * Get the difference in a human readable format in the current locale from current
       * instance to now.
       *
       * @param int|array $syntax  if array passed, parameters will be extracted from it, the array may contains:
       *                           - 'syntax' entry (see below)
       *                           - 'short' entry (see below)
       *                           - 'parts' entry (see below)
       *                           - 'options' entry (see below)
       *                           - 'join' entry determines how to join multiple parts of the string
       *                           `  - if $join is a string, it's used as a joiner glue
       *                           `  - if $join is a callable/closure, it get the list of string and should return a string
       *                           `  - if $join is an array, the first item will be the default glue, and the second item
       *                           `    will be used instead of the glue for the last item
       *                           `  - if $join is true, it will be guessed from the locale ('list' translation file entry)
       *                           `  - if $join is missing, a space will be used as glue
       *                           if int passed, it add modifiers:
       *                           Possible values:
       *                           - CarbonInterface::DIFF_ABSOLUTE          no modifiers
       *                           - CarbonInterface::DIFF_RELATIVE_TO_NOW   add ago/from now modifier
       *                           - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
       *                           Default value: CarbonInterface::DIFF_ABSOLUTE
       * @param bool      $short   displays short format of time units
       * @param int       $parts   maximum number of parts to display (default value: 1: single unit)
       * @param int       $options human diff options
       *
       * @return string
       */
      public function fromNow($syntax = null, $short = false, $parts = 1, $options = null)
      {
          $other = null;
  
          if ($syntax instanceof DateTimeInterface) {
              [$other, $syntax, $short, $parts, $options] = array_pad(\func_get_args(), 5, null);
          }
  
          return $this->from($other, $syntax, $short, $parts, $options);
      }
  
      /**
       * Get the difference in a human readable format in the current locale from an other
       * instance given to now
       *
       * @param int|array $syntax  if array passed, parameters will be extracted from it, the array may contains:
       *                           - 'syntax' entry (see below)
       *                           - 'short' entry (see below)
       *                           - 'parts' entry (see below)
       *                           - 'options' entry (see below)
       *                           - 'join' entry determines how to join multiple parts of the string
       *                           `  - if $join is a string, it's used as a joiner glue
       *                           `  - if $join is a callable/closure, it get the list of string and should return a string
       *                           `  - if $join is an array, the first item will be the default glue, and the second item
       *                           `    will be used instead of the glue for the last item
       *                           `  - if $join is true, it will be guessed from the locale ('list' translation file entry)
       *                           `  - if $join is missing, a space will be used as glue
       *                           if int passed, it add modifiers:
       *                           Possible values:
       *                           - CarbonInterface::DIFF_ABSOLUTE          no modifiers
       *                           - CarbonInterface::DIFF_RELATIVE_TO_NOW   add ago/from now modifier
       *                           - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
       *                           Default value: CarbonInterface::DIFF_ABSOLUTE
       * @param bool      $short   displays short format of time units
       * @param int       $parts   maximum number of parts to display (default value: 1: single part)
       * @param int       $options human diff options
       *
       * @return string
       */
      public function toNow($syntax = null, $short = false, $parts = 1, $options = null)
      {
          return $this->to(null, $syntax, $short, $parts, $options);
      }
  
      /**
       * Get the difference in a human readable format in the current locale from an other
       * instance given to now
       *
       * @param int|array $syntax  if array passed, parameters will be extracted from it, the array may contains:
       *                           - 'syntax' entry (see below)
       *                           - 'short' entry (see below)
       *                           - 'parts' entry (see below)
       *                           - 'options' entry (see below)
       *                           - 'join' entry determines how to join multiple parts of the string
       *                           `  - if $join is a string, it's used as a joiner glue
       *                           `  - if $join is a callable/closure, it get the list of string and should return a string
       *                           `  - if $join is an array, the first item will be the default glue, and the second item
       *                           `    will be used instead of the glue for the last item
       *                           `  - if $join is true, it will be guessed from the locale ('list' translation file entry)
       *                           `  - if $join is missing, a space will be used as glue
       *                           if int passed, it add modifiers:
       *                           Possible values:
       *                           - CarbonInterface::DIFF_ABSOLUTE          no modifiers
       *                           - CarbonInterface::DIFF_RELATIVE_TO_NOW   add ago/from now modifier
       *                           - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
       *                           Default value: CarbonInterface::DIFF_ABSOLUTE
       * @param bool      $short   displays short format of time units
       * @param int       $parts   maximum number of parts to display (default value: 1: single part)
       * @param int       $options human diff options
       *
       * @return string
       */
      public function ago($syntax = null, $short = false, $parts = 1, $options = null)
      {
          $other = null;
  
          if ($syntax instanceof DateTimeInterface) {
              [$other, $syntax, $short, $parts, $options] = array_pad(\func_get_args(), 5, null);
          }
  
          return $this->from($other, $syntax, $short, $parts, $options);
      }
  
      /**
       * Get the difference in a human readable format in the current locale from current instance to an other
       * instance given (or now if null given).
       *
       * @return string
       */
      public function timespan($other = null, $timezone = null)
      {
          if (!$other instanceof DateTimeInterface) {
              $other = static::parse($other, $timezone);
          }
  
          return $this->diffForHumans($other, [
              'join' => ', ',
              'syntax' => CarbonInterface::DIFF_ABSOLUTE,
              'options' => CarbonInterface::NO_ZERO_DIFF,
              'parts' => -1,
          ]);
      }
  
      /**
       * Returns either day of week + time (e.g. "Last Friday at 3:30 PM") if reference time is within 7 days,
       * or a calendar date (e.g. "10/29/2017") otherwise.
       *
       * Language, date and time formats will change according to the current locale.
       *
       * @param Carbon|\DateTimeInterface|string|null $referenceTime
       * @param array                                 $formats
       *
       * @return string
       */
      public function calendar($referenceTime = null, array $formats = [])
      {
          /** @var CarbonInterface $current */
          $current = $this->avoidMutation()->startOfDay();
          /** @var CarbonInterface $other */
          $other = $this->resolveCarbon($referenceTime)->avoidMutation()->setTimezone($this->getTimezone())->startOfDay();
          $diff = $other->diffInDays($current, false);
          $format = $diff < -6 ? 'sameElse' : (
              $diff < -1 ? 'lastWeek' : (
                  $diff < 0 ? 'lastDay' : (
                      $diff < 1 ? 'sameDay' : (
                          $diff < 2 ? 'nextDay' : (
                              $diff < 7 ? 'nextWeek' : 'sameElse'
                          )
                      )
                  )
              )
          );
          $format = array_merge($this->getCalendarFormats(), $formats)[$format];
          if ($format instanceof Closure) {
              $format = $format($current, $other) ?? '';
          }
  
          return $this->isoFormat((string) $format);
      }
  
      private function getIntervalDayDiff(DateInterval $interval): int
      {
          $daysDiff = (int) $interval->format('%a');
          $sign = $interval->format('%r') === '-' ? -1 : 1;
  
          if (\is_int($interval->days) &&
              $interval->y === 0 &&
              $interval->m === 0 &&
              version_compare(PHP_VERSION, '8.1.0-dev', '<') &&
              abs($interval->d - $daysDiff) === 1
          ) {
              $daysDiff = abs($interval->d); // @codeCoverageIgnore
          }
  
          return $daysDiff * $sign;
      }
  }