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vendor/nesbot/carbon/src/Carbon/CarbonInterval.php
4f5a31d2
 <?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;
 
 use BadMethodCallException;
 use Carbon\Traits\Options;
 use Closure;
 use DateInterval;
 use InvalidArgumentException;
 use ReflectionClass;
 use ReflectionMethod;
 
 /**
  * A simple API extension for DateInterval.
  * The implementation provides helpers to handle weeks but only days are saved.
  * Weeks are calculated based on the total days of the current instance.
  *
  * @property int $years Total years of the current interval.
  * @property int $months Total months of the current interval.
  * @property int $weeks Total weeks of the current interval calculated from the days.
  * @property int $dayz Total days of the current interval (weeks * 7 + days).
  * @property int $hours Total hours of the current interval.
  * @property int $minutes Total minutes of the current interval.
  * @property int $seconds Total seconds of the current interval.
  * @property int $microseconds Total microseconds of the current interval.
  * @property int $milliseconds Total microseconds of the current interval.
  * @property-read int $dayzExcludeWeeks Total days remaining in the final week of the current instance (days % 7).
  * @property-read int $daysExcludeWeeks alias of dayzExcludeWeeks
  * @property-read float $totalYears Number of years equivalent to the interval.
  * @property-read float $totalMonths Number of months equivalent to the interval.
  * @property-read float $totalWeeks Number of weeks equivalent to the interval.
  * @property-read float $totalDays Number of days equivalent to the interval.
  * @property-read float $totalDayz Alias for totalDays.
  * @property-read float $totalHours Number of hours equivalent to the interval.
  * @property-read float $totalMinutes Number of minutes equivalent to the interval.
  * @property-read float $totalSeconds Number of seconds equivalent to the interval.
  * @property-read float $totalMilliseconds Number of milliseconds equivalent to the interval.
  * @property-read float $totalMicroseconds Number of microseconds equivalent to the interval.
  * @property-read string $locale locale of the current instance
  *
  * @method static CarbonInterval years($years = 1) Create instance specifying a number of years.
  * @method static CarbonInterval year($years = 1) Alias for years()
  * @method static CarbonInterval months($months = 1) Create instance specifying a number of months.
  * @method static CarbonInterval month($months = 1) Alias for months()
  * @method static CarbonInterval weeks($weeks = 1) Create instance specifying a number of weeks.
  * @method static CarbonInterval week($weeks = 1) Alias for weeks()
  * @method static CarbonInterval days($days = 1) Create instance specifying a number of days.
  * @method static CarbonInterval dayz($days = 1) Alias for days()
  * @method static CarbonInterval day($days = 1) Alias for days()
  * @method static CarbonInterval hours($hours = 1) Create instance specifying a number of hours.
  * @method static CarbonInterval hour($hours = 1) Alias for hours()
  * @method static CarbonInterval minutes($minutes = 1) Create instance specifying a number of minutes.
  * @method static CarbonInterval minute($minutes = 1) Alias for minutes()
  * @method static CarbonInterval seconds($seconds = 1) Create instance specifying a number of seconds.
  * @method static CarbonInterval second($seconds = 1) Alias for seconds()
  * @method static CarbonInterval milliseconds($milliseconds = 1) Create instance specifying a number of milliseconds.
  * @method static CarbonInterval millisecond($milliseconds = 1) Alias for milliseconds()
  * @method static CarbonInterval microseconds($microseconds = 1) Create instance specifying a number of microseconds.
  * @method static CarbonInterval microsecond($microseconds = 1) Alias for microseconds()
  * @method CarbonInterval years($years = 1) Set the years portion of the current interval.
  * @method CarbonInterval year($years = 1) Alias for years().
  * @method CarbonInterval months($months = 1) Set the months portion of the current interval.
  * @method CarbonInterval month($months = 1) Alias for months().
  * @method CarbonInterval weeks($weeks = 1) Set the weeks portion of the current interval.  Will overwrite dayz value.
  * @method CarbonInterval week($weeks = 1) Alias for weeks().
  * @method CarbonInterval days($days = 1) Set the days portion of the current interval.
  * @method CarbonInterval dayz($days = 1) Alias for days().
  * @method CarbonInterval day($days = 1) Alias for days().
  * @method CarbonInterval hours($hours = 1) Set the hours portion of the current interval.
  * @method CarbonInterval hour($hours = 1) Alias for hours().
  * @method CarbonInterval minutes($minutes = 1) Set the minutes portion of the current interval.
  * @method CarbonInterval minute($minutes = 1) Alias for minutes().
  * @method CarbonInterval seconds($seconds = 1) Set the seconds portion of the current interval.
  * @method CarbonInterval second($seconds = 1) Alias for seconds().
  * @method CarbonInterval milliseconds($seconds = 1) Set the seconds portion of the current interval.
  * @method CarbonInterval millisecond($seconds = 1) Alias for seconds().
  * @method CarbonInterval microseconds($seconds = 1) Set the seconds portion of the current interval.
  * @method CarbonInterval microsecond($seconds = 1) Alias for seconds().
  */
 class CarbonInterval extends DateInterval
 {
     use Options;
 
     /**
      * Interval spec period designators
      */
     const PERIOD_PREFIX = 'P';
     const PERIOD_YEARS = 'Y';
     const PERIOD_MONTHS = 'M';
     const PERIOD_DAYS = 'D';
     const PERIOD_TIME_PREFIX = 'T';
     const PERIOD_HOURS = 'H';
     const PERIOD_MINUTES = 'M';
     const PERIOD_SECONDS = 'S';
 
     /**
      * A translator to ... er ... translate stuff
      *
      * @var \Symfony\Component\Translation\TranslatorInterface
      */
     protected static $translator;
 
     /**
      * @var array|null
      */
     protected static $cascadeFactors;
 
     /**
      * @var array|null
      */
     private static $flipCascadeFactors;
 
     /**
      * The registered macros.
      *
      * @var array
      */
     protected static $macros = [];
 
     /**
      * Timezone handler for settings() method.
      *
      * @var mixed
      */
     protected $tzName;
 
     /**
      * Set the instance's timezone from a string or object and add/subtract the offset difference.
      *
      * @param \DateTimeZone|string $tzName
      *
      * @return static
      */
     public function shiftTimezone($tzName)
     {
         $this->tzName = $tzName;
 
         return $this;
     }
 
     /**
      * Mapping of units and factors for cascading.
      *
      * Should only be modified by changing the factors or referenced constants.
      *
      * @return array
      */
     public static function getCascadeFactors()
     {
         return static::$cascadeFactors ?: [
             'milliseconds' => [Carbon::MICROSECONDS_PER_MILLISECOND, 'microseconds'],
             'seconds' => [Carbon::MILLISECONDS_PER_SECOND, 'milliseconds'],
             'minutes' => [Carbon::SECONDS_PER_MINUTE, 'seconds'],
             'hours' => [Carbon::MINUTES_PER_HOUR, 'minutes'],
             'dayz' => [Carbon::HOURS_PER_DAY, 'hours'],
             'months' => [Carbon::DAYS_PER_WEEK * Carbon::WEEKS_PER_MONTH, 'dayz'],
             'years' => [Carbon::MONTHS_PER_YEAR, 'months'],
         ];
     }
 
     private static function standardizeUnit($unit)
     {
         $unit = rtrim($unit, 'sz').'s';
 
         return $unit === 'days' ? 'dayz' : $unit;
     }
 
     private static function getFlipCascadeFactors()
     {
         if (!self::$flipCascadeFactors) {
             self::$flipCascadeFactors = [];
             foreach (static::getCascadeFactors() as $to => [$factor, $from]) {
                 self::$flipCascadeFactors[self::standardizeUnit($from)] = [self::standardizeUnit($to), $factor];
             }
         }
 
         return self::$flipCascadeFactors;
     }
 
     /**
      * Set default cascading factors for ->cascade() method.
      *
      * @param array $cascadeFactors
      */
     public static function setCascadeFactors(array $cascadeFactors)
     {
         self::$flipCascadeFactors = null;
         static::$cascadeFactors = $cascadeFactors;
     }
 
     ///////////////////////////////////////////////////////////////////
     //////////////////////////// CONSTRUCTORS /////////////////////////
     ///////////////////////////////////////////////////////////////////
 
     /**
      * Create a new CarbonInterval instance.
      *
      * @param int $years
      * @param int $months
      * @param int $weeks
      * @param int $days
      * @param int $hours
      * @param int $minutes
      * @param int $seconds
      * @param int $microseconds
      *
      * @throws \Exception
      */
     public function __construct($years = 1, $months = null, $weeks = null, $days = null, $hours = null, $minutes = null, $seconds = null, $microseconds = null)
     {
         $spec = $years;
 
         if (!is_string($spec) || floatval($years) || preg_match('/^[0-9.]/', $years)) {
             $spec = static::PERIOD_PREFIX;
 
             $spec .= $years > 0 ? $years.static::PERIOD_YEARS : '';
             $spec .= $months > 0 ? $months.static::PERIOD_MONTHS : '';
 
             $specDays = 0;
             $specDays += $weeks > 0 ? $weeks * static::getDaysPerWeek() : 0;
             $specDays += $days > 0 ? $days : 0;
 
             $spec .= $specDays > 0 ? $specDays.static::PERIOD_DAYS : '';
 
             if ($hours > 0 || $minutes > 0 || $seconds > 0) {
                 $spec .= static::PERIOD_TIME_PREFIX;
                 $spec .= $hours > 0 ? $hours.static::PERIOD_HOURS : '';
                 $spec .= $minutes > 0 ? $minutes.static::PERIOD_MINUTES : '';
                 $spec .= $seconds > 0 ? $seconds.static::PERIOD_SECONDS : '';
             }
 
             if ($spec === static::PERIOD_PREFIX) {
                 // Allow the zero interval.
                 $spec .= '0'.static::PERIOD_YEARS;
             }
         }
 
         parent::__construct($spec);
 
         if (!is_null($microseconds)) {
             $this->f = $microseconds / Carbon::MICROSECONDS_PER_SECOND;
         }
     }
 
     /**
      * Returns the factor for a given source-to-target couple.
      *
      * @param string $source
      * @param string $target
      *
      * @return int|null
      */
     public static function getFactor($source, $target)
     {
         $source = self::standardizeUnit($source);
         $target = self::standardizeUnit($target);
         $factors = static::getFlipCascadeFactors();
         if (isset($factors[$source])) {
             [$to, $factor] = $factors[$source];
             if ($to === $target) {
                 return $factor;
             }
         }
 
         return null;
     }
 
     /**
      * Returns current config for days per week.
      *
      * @return int
      */
     public static function getDaysPerWeek()
     {
         return static::getFactor('dayz', 'weeks') ?: Carbon::DAYS_PER_WEEK;
     }
 
     /**
      * Returns current config for hours per day.
      *
      * @return int
      */
     public static function getHoursPerDay()
     {
         return static::getFactor('hours', 'dayz') ?: Carbon::HOURS_PER_DAY;
     }
 
     /**
      * Returns current config for minutes per hour.
      *
      * @return int
      */
     public static function getMinutesPerHour()
     {
         return static::getFactor('minutes', 'hours') ?: Carbon::MINUTES_PER_HOUR;
     }
 
     /**
      * Returns current config for seconds per minute.
      *
      * @return int
      */
     public static function getSecondsPerMinute()
     {
         return static::getFactor('seconds', 'minutes') ?: Carbon::SECONDS_PER_MINUTE;
     }
 
     /**
      * Returns current config for microseconds per second.
      *
      * @return int
      */
     public static function getMillisecondsPerSecond()
     {
         return static::getFactor('milliseconds', 'seconds') ?: Carbon::MILLISECONDS_PER_SECOND;
     }
 
     /**
      * Returns current config for microseconds per second.
      *
      * @return int
      */
     public static function getMicrosecondsPerMillisecond()
     {
         return static::getFactor('microseconds', 'milliseconds') ?: Carbon::MICROSECONDS_PER_MILLISECOND;
     }
 
     /**
      * Create a new CarbonInterval instance from specific values.
      * This is an alias for the constructor that allows better fluent
      * syntax as it allows you to do CarbonInterval::create(1)->fn() rather than
      * (new CarbonInterval(1))->fn().
      *
      * @param int $years
      * @param int $months
      * @param int $weeks
      * @param int $days
      * @param int $hours
      * @param int $minutes
      * @param int $seconds
      * @param int $microseconds
      *
      * @return static
      */
     public static function create($years = 1, $months = null, $weeks = null, $days = null, $hours = null, $minutes = null, $seconds = null, $microseconds = null)
     {
         return new static($years, $months, $weeks, $days, $hours, $minutes, $seconds, $microseconds);
     }
 
     /**
      * Get a copy of the instance.
      *
      * @return static
      */
     public function copy()
     {
         $date = new static($this->spec());
         $date->invert = $this->invert;
         $date->f = $this->f;
 
         return $date;
     }
 
     /**
      * Get a copy of the instance.
      *
      * @return static
      */
     public function clone()
     {
         return $this->copy();
     }
 
     /**
      * Provide static helpers to create instances.  Allows CarbonInterval::years(3).
      *
      * Note: This is done using the magic method to allow static and instance methods to
      *       have the same names.
      *
      * @param string $method     magic method name called
      * @param array  $parameters parameters list
      *
      * @return static|null
      */
     public static function __callStatic($method, $parameters)
     {
         $arg = count($parameters) === 0 ? 1 : $parameters[0];
 
         switch (Carbon::singularUnit(rtrim($method, 'z'))) {
             case 'year':
                 return new static($arg);
 
             case 'month':
                 return new static(null, $arg);
 
             case 'week':
                 return new static(null, null, $arg);
 
             case 'day':
                 return new static(null, null, null, $arg);
 
             case 'hour':
                 return new static(null, null, null, null, $arg);
 
             case 'minute':
                 return new static(null, null, null, null, null, $arg);
 
             case 'second':
                 return new static(null, null, null, null, null, null, $arg);
 
             case 'millisecond':
             case 'milli':
                 return new static(null, null, null, null, null, null, null, $arg * Carbon::MICROSECONDS_PER_MILLISECOND);
 
             case 'microsecond':
             case 'micro':
                 return new static(null, null, null, null, null, null, null, $arg);
         }
 
         if (static::hasMacro($method)) {
             return (new static(0))->$method(...$parameters);
         }
 
         if (Carbon::isStrictModeEnabled()) {
             throw new BadMethodCallException(sprintf("Unknown fluent constructor '%s'.", $method));
         }
 
         return null;
     }
 
     /**
      * Creates a CarbonInterval from string.
      *
      * Format:
      *
      * Suffix | Unit    | Example | DateInterval expression
      * -------|---------|---------|------------------------
      * y      | years   |   1y    | P1Y
      * mo     | months  |   3mo   | P3M
      * w      | weeks   |   2w    | P2W
      * d      | days    |  28d    | P28D
      * h      | hours   |   4h    | PT4H
      * m      | minutes |  12m    | PT12M
      * s      | seconds |  59s    | PT59S
      *
      * e. g. `1w 3d 4h 32m 23s` is converted to 10 days 4 hours 32 minutes and 23 seconds.
      *
      * Special cases:
      *  - An empty string will return a zero interval
      *  - Fractions are allowed for weeks, days, hours and minutes and will be converted
      *    and rounded to the next smaller value (caution: 0.5w = 4d)
      *
      * @param string $intervalDefinition
      *
      * @return static
      */
     public static function fromString($intervalDefinition)
     {
         if (empty($intervalDefinition)) {
             return new static(0);
         }
 
         $years = 0;
         $months = 0;
         $weeks = 0;
         $days = 0;
         $hours = 0;
         $minutes = 0;
         $seconds = 0;
         $milliseconds = 0;
         $microseconds = 0;
 
         $pattern = '/(\d+(?:\.\d+)?)\h*([^\d\h]*)/i';
         preg_match_all($pattern, $intervalDefinition, $parts, PREG_SET_ORDER);
 
         while ([$part, $value, $unit] = array_shift($parts)) {
             $intValue = intval($value);
             $fraction = floatval($value) - $intValue;
 
             // Fix calculation precision
             switch (round($fraction, 6)) {
                 case 1:
                     $fraction = 0;
                     $intValue++;
 
                     break;
                 case 0:
                     $fraction = 0;
 
                     break;
             }
 
             switch ($unit === 'µs' ? 'µs' : strtolower($unit)) {
                 case 'millennia':
                 case 'millennium':
                     $years += $intValue * CarbonInterface::YEARS_PER_MILLENNIUM;
 
                     break;
 
                 case 'century':
                 case 'centuries':
                     $years += $intValue * CarbonInterface::YEARS_PER_CENTURY;
 
                     break;
 
                 case 'decade':
                 case 'decades':
                     $years += $intValue * CarbonInterface::YEARS_PER_DECADE;
 
                     break;
 
                 case 'year':
                 case 'years':
                 case 'y':
                     $years += $intValue;
 
                     break;
 
                 case 'quarter':
                 case 'quarters':
                     $months += $intValue * CarbonInterface::MONTHS_PER_QUARTER;
 
                     break;
 
                 case 'month':
                 case 'months':
                 case 'mo':
                     $months += $intValue;
 
                     break;
 
                 case 'week':
                 case 'weeks':
                 case 'w':
                     $weeks += $intValue;
 
                     if ($fraction) {
                         $parts[] = [null, $fraction * static::getDaysPerWeek(), 'd'];
                     }
 
                     break;
 
                 case 'day':
                 case 'days':
                 case 'd':
                     $days += $intValue;
 
                     if ($fraction) {
                         $parts[] = [null, $fraction * static::getHoursPerDay(), 'h'];
                     }
 
                     break;
 
                 case 'hour':
                 case 'hours':
                 case 'h':
                     $hours += $intValue;
 
                     if ($fraction) {
                         $parts[] = [null, $fraction * static::getMinutesPerHour(), 'm'];
                     }
 
                     break;
 
                 case 'minute':
                 case 'minutes':
                 case 'm':
                     $minutes += $intValue;
 
                     if ($fraction) {
                         $parts[] = [null, $fraction * static::getSecondsPerMinute(), 's'];
                     }
 
                     break;
 
                 case 'second':
                 case 'seconds':
                 case 's':
                     $seconds += $intValue;
 
                     if ($fraction) {
                         $parts[] = [null, $fraction * static::getMillisecondsPerSecond(), 'ms'];
                     }
 
                     break;
 
                 case 'millisecond':
                 case 'milliseconds':
                 case 'milli':
                 case 'ms':
                     $milliseconds += $intValue;
 
                     if ($fraction) {
                         $microseconds += round($fraction * static::getMicrosecondsPerMillisecond());
                     }
 
                     break;
 
                 case 'microsecond':
                 case 'microseconds':
                 case 'micro':
                 case 'µs':
                     $microseconds += $intValue;
 
                     break;
 
                 default:
                     throw new InvalidArgumentException(
                         sprintf('Invalid part %s in definition %s', $part, $intervalDefinition)
                     );
             }
         }
 
         return new static($years, $months, $weeks, $days, $hours, $minutes, $seconds, $milliseconds * Carbon::MICROSECONDS_PER_MILLISECOND + $microseconds);
     }
 
     /**
      * Creates a CarbonInterval from string using a different locale.
      *
      * @param string $interval
      * @param string $locale
      *
      * @return static
      */
     public static function parseFromLocale($interval, $locale)
     {
         return static::fromString(Carbon::translateTimeString($interval, $locale, 'en'));
     }
 
     /**
      * Create a CarbonInterval instance from a DateInterval one.  Can not instance
      * DateInterval objects created from DateTime::diff() as you can't externally
      * set the $days field.
      *
      * @param DateInterval $interval
      *
      * @return static
      */
     public static function instance(DateInterval $interval)
     {
         $microseconds = $interval->f;
         $instance = new static(static::getDateIntervalSpec($interval));
         if ($microseconds) {
             $instance->f = $microseconds;
         }
         $instance->invert = $interval->invert;
         foreach (['y', 'm', 'd', 'h', 'i', 's'] as $unit) {
             if ($interval->$unit < 0) {
                 $instance->$unit *= -1;
             }
         }
 
         return $instance;
     }
 
     /**
      * Make a CarbonInterval instance from given variable if possible.
      *
      * Always return a new instance. Parse only strings and only these likely to be intervals (skip dates
      * and recurrences). Throw an exception for invalid format, but otherwise return null.
      *
      * @param mixed $var
      *
      * @return static|null
      */
     public static function make($var)
     {
         if ($var instanceof DateInterval) {
             return static::instance($var);
         }
 
         if (!is_string($var)) {
             return null;
         }
 
         $var = trim($var);
 
         if (preg_match('/^P[T0-9]/', $var)) {
             return new static($var);
         }
 
         if (preg_match('/^(?:\h*\d+(?:\.\d+)?\h*[a-z]+)+$/i', $var)) {
             return static::fromString($var);
         }
 
         /** @var static $interval */
         $interval = static::createFromDateString($var);
 
         return !$interval || $interval->isEmpty() ? null : $interval;
     }
 
     protected function resolveInterval($interval)
     {
         if (!($interval instanceof self)) {
             return self::make($interval);
         }
 
         return $interval;
     }
 
     /**
      * Sets up a DateInterval from the relative parts of the string.
      *
      * @param string $time
      *
      * @return static
      *
      * @link http://php.net/manual/en/dateinterval.createfromdatestring.php
      */
     public static function createFromDateString($time)
     {
         $interval = @parent::createFromDateString(strtr($time, [
             ',' => ' ',
             ' and ' => ' ',
         ]));
 
         if ($interval instanceof DateInterval) {
             $interval = static::instance($interval);
         }
 
         return $interval;
     }
 
     ///////////////////////////////////////////////////////////////////
     ///////////////////////// GETTERS AND SETTERS /////////////////////
     ///////////////////////////////////////////////////////////////////
 
     /**
      * Get a part of the CarbonInterval object.
      *
      * @param string $name
      *
      * @throws \InvalidArgumentException
      *
      * @return int|float|string
      */
     public function __get($name)
     {
         if (substr($name, 0, 5) === 'total') {
             return $this->total(substr($name, 5));
         }
 
         switch ($name) {
             case 'years':
                 return $this->y;
 
             case 'months':
                 return $this->m;
 
             case 'dayz':
                 return $this->d;
 
             case 'hours':
                 return $this->h;
 
             case 'minutes':
                 return $this->i;
 
             case 'seconds':
                 return $this->s;
 
             case 'milli':
             case 'milliseconds':
                 return (int) floor(round($this->f * Carbon::MICROSECONDS_PER_SECOND) / Carbon::MICROSECONDS_PER_MILLISECOND);
 
             case 'micro':
             case 'microseconds':
                 return (int) round($this->f * Carbon::MICROSECONDS_PER_SECOND);
 
             case 'weeks':
                 return (int) floor($this->d / static::getDaysPerWeek());
 
             case 'daysExcludeWeeks':
             case 'dayzExcludeWeeks':
                 return $this->d % static::getDaysPerWeek();
 
             case 'locale':
                 return $this->getLocalTranslator()->getLocale();
 
             default:
                 throw new InvalidArgumentException(sprintf("Unknown getter '%s'", $name));
         }
     }
 
     /**
      * Set a part of the CarbonInterval object.
      *
      * @param string $name
      * @param int    $value
      *
      * @throws \InvalidArgumentException
      */
     public function __set($name, $value)
     {
         switch (Carbon::singularUnit(rtrim($name, 'z'))) {
             case 'year':
                 $this->y = $value;
 
                 break;
 
             case 'month':
                 $this->m = $value;
 
                 break;
 
             case 'week':
                 $this->d = $value * static::getDaysPerWeek();
 
                 break;
 
             case 'day':
                 $this->d = $value;
 
                 break;
 
             case 'hour':
                 $this->h = $value;
 
                 break;
 
             case 'minute':
                 $this->i = $value;
 
                 break;
 
             case 'second':
                 $this->s = $value;
 
                 break;
 
             case 'milli':
             case 'millisecond':
                 $this->microseconds = $value * Carbon::MICROSECONDS_PER_MILLISECOND + $this->microseconds % Carbon::MICROSECONDS_PER_MILLISECOND;
 
                 break;
 
             case 'micro':
             case 'microsecond':
                 $this->f = $value / Carbon::MICROSECONDS_PER_SECOND;
 
                 break;
 
             default:
                 if ($this->localStrictModeEnabled ?? Carbon::isStrictModeEnabled()) {
                     throw new InvalidArgumentException(sprintf("Unknown setter '%s'", $name));
                 }
 
                 $this->$name = $value;
         }
     }
 
     /**
      * Allow setting of weeks and days to be cumulative.
      *
      * @param int $weeks Number of weeks to set
      * @param int $days  Number of days to set
      *
      * @return static
      */
     public function weeksAndDays($weeks, $days)
     {
         $this->dayz = ($weeks * static::getDaysPerWeek()) + $days;
 
         return $this;
     }
 
     /**
      * Returns true if the interval is empty for each unit.
      *
      * @return bool
      */
     public function isEmpty()
     {
         return $this->years === 0 &&
             $this->months === 0 &&
             $this->dayz === 0 &&
             !$this->days &&
             $this->hours === 0 &&
             $this->minutes === 0 &&
             $this->seconds === 0 &&
             $this->microseconds === 0;
     }
 
     /**
      * Register a custom macro.
      *
      * @example
      * ```
      * CarbonInterval::macro('twice', function () {
      *   return $this->times(2);
      * });
      * echo CarbonInterval::hours(2)->twice();
      * ```
      *
      * @param string          $name
      * @param object|callable $macro
      *
      * @return void
      */
     public static function macro($name, $macro)
     {
         static::$macros[$name] = $macro;
     }
 
     /**
      * Register macros from a mixin object.
      *
      * @example
      * ```
      * CarbonInterval::mixin(new class {
      *   public function daysToHours() {
      *     return function () {
      *       $this->hours += $this->days;
      *       $this->days = 0;
      *
      *       return $this;
      *     };
      *   }
      *   public function hoursToDays() {
      *     return function () {
      *       $this->days += $this->hours;
      *       $this->hours = 0;
      *
      *       return $this;
      *     };
      *   }
      * });
      * echo CarbonInterval::hours(5)->hoursToDays() . "\n";
      * echo CarbonInterval::days(5)->daysToHours() . "\n";
      * ```
      *
      * @param object $mixin
      *
      * @throws \ReflectionException
      *
      * @return void
      */
     public static function mixin($mixin)
     {
         $reflection = new ReflectionClass($mixin);
 
         $methods = $reflection->getMethods(
             ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED
         );
 
         foreach ($methods as $method) {
             $method->setAccessible(true);
 
             static::macro($method->name, $method->invoke($mixin));
         }
     }
 
     /**
      * Check if macro is registered.
      *
      * @param string $name
      *
      * @return bool
      */
     public static function hasMacro($name)
     {
         return isset(static::$macros[$name]);
     }
 
     /**
      * Call given macro.
      *
      * @param string $name
      * @param array  $parameters
      *
      * @return mixed
      */
     protected function callMacro($name, $parameters)
     {
         $macro = static::$macros[$name];
 
         if ($macro instanceof Closure) {
             return call_user_func_array($macro->bindTo($this, static::class), $parameters);
         }
 
         return call_user_func_array($macro, $parameters);
     }
 
     /**
      * Allow fluent calls on the setters... CarbonInterval::years(3)->months(5)->day().
      *
      * Note: This is done using the magic method to allow static and instance methods to
      *       have the same names.
      *
      * @param string $method     magic method name called
      * @param array  $parameters parameters list
      *
      * @return static
      */
     public function __call($method, $parameters)
     {
         if (static::hasMacro($method)) {
             return $this->callMacro($method, $parameters);
         }
 
         $arg = count($parameters) === 0 ? 1 : $parameters[0];
 
         switch (Carbon::singularUnit(rtrim($method, 'z'))) {
             case 'year':
                 $this->years = $arg;
 
                 break;
 
             case 'month':
                 $this->months = $arg;
 
                 break;
 
             case 'week':
                 $this->dayz = $arg * static::getDaysPerWeek();
 
                 break;
 
             case 'day':
                 $this->dayz = $arg;
 
                 break;
 
             case 'hour':
                 $this->hours = $arg;
 
                 break;
 
             case 'minute':
                 $this->minutes = $arg;
 
                 break;
 
             case 'second':
                 $this->seconds = $arg;
 
                 break;
 
             case 'milli':
             case 'millisecond':
                 $this->milliseconds = $arg;
 
                 break;
 
             case 'micro':
             case 'microsecond':
                 $this->microseconds = $arg;
 
                 break;
 
             default:
                 if ($this->localStrictModeEnabled ?? Carbon::isStrictModeEnabled()) {
                     throw new BadMethodCallException(sprintf("Unknown fluent setter '%s'", $method));
                 }
         }
 
         return $this;
     }
 
     /**
      * @SuppressWarnings(PHPMD.ElseExpression)
      *
      * @param mixed $syntax
      * @param mixed $short
      * @param mixed $parts
      * @param mixed $options
      *
      * @return array
      */
     protected function getForHumansParameters($syntax = null, $short = false, $parts = -1, $options = null)
     {
         $join = ' ';
         $aUnit = false;
         if (is_array($syntax)) {
             extract($syntax);
         } else {
             if (is_int($short)) {
                 $parts = $short;
                 $short = false;
             }
             if (is_bool($syntax)) {
                 $short = $syntax;
                 $syntax = CarbonInterface::DIFF_ABSOLUTE;
             }
         }
         if (is_null($syntax)) {
             $syntax = CarbonInterface::DIFF_ABSOLUTE;
         }
         if ($parts === -1) {
             $parts = INF;
         }
         if (is_null($options)) {
             $options = static::getHumanDiffOptions();
         }
         if ($join === true) {
             $default = $this->getTranslationMessage('list.0') ?? $this->getTranslationMessage('list') ?? ' ';
             $join = [
                 $default,
                 $this->getTranslationMessage('list.1') ?? $default,
             ];
         }
         if (is_array($join)) {
             [$default, $last] = $join;
 
             $join = function ($list) use ($default, $last) {
                 if (count($list) < 2) {
                     return implode('', $list);
                 }
 
                 $end = array_pop($list);
 
                 return implode($default, $list).$last.$end;
             };
         }
         if (is_string($join)) {
             $glue = $join;
             $join = function ($list) use ($glue) {
                 return implode($glue, $list);
             };
         }
 
         return [$syntax, $short, $parts, $options, $join, $aUnit];
     }
 
     /**
      * Get the current interval in a human readable format in the current locale.
      *
      * @example
      * ```
      * echo CarbonInterval::fromString('4d 3h 40m')->forHumans() . "\n";
      * echo CarbonInterval::fromString('4d 3h 40m')->forHumans(['parts' => 2]) . "\n";
      * echo CarbonInterval::fromString('4d 3h 40m')->forHumans(['parts' => 3, 'join' => true]) . "\n";
      * echo CarbonInterval::fromString('4d 3h 40m')->forHumans(['short' => true]) . "\n";
      * echo CarbonInterval::fromString('1d 24h')->forHumans(['join' => ' or ']) . "\n";
      * ```
      *
      * @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)
      *                           - '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
      *                           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: no limits)
      * @param int       $options human diff options
      *
      * @return string
      */
     public function forHumans($syntax = null, $short = false, $parts = -1, $options = null)
     {
         [$syntax, $short, $parts, $options, $join, $aUnit] = $this->getForHumansParameters($syntax, $short, $parts, $options);
 
         $interval = [];
         $syntax = (int) ($syntax === null ? CarbonInterface::DIFF_ABSOLUTE : $syntax);
         $absolute = $syntax === CarbonInterface::DIFF_ABSOLUTE;
         $relativeToNow = $syntax === CarbonInterface::DIFF_RELATIVE_TO_NOW;
         $count = 1;
         $unit = $short ? 's' : 'second';
 
         /** @var \Symfony\Component\Translation\Translator $translator */
         $translator = $this->getLocalTranslator();
 
         $diffIntervalArray = [
             ['value' => $this->years,            'unit' => 'year',   'unitShort' => 'y'],
             ['value' => $this->months,           'unit' => 'month',  'unitShort' => 'm'],
             ['value' => $this->weeks,            'unit' => 'week',   'unitShort' => 'w'],
             ['value' => $this->daysExcludeWeeks, 'unit' => 'day',    'unitShort' => 'd'],
             ['value' => $this->hours,            'unit' => 'hour',   'unitShort' => 'h'],
             ['value' => $this->minutes,          'unit' => 'minute', 'unitShort' => 'min'],
             ['value' => $this->seconds,          'unit' => 'second', 'unitShort' => 's'],
         ];
 
         $transChoice = function ($short, $unitData) use ($translator, $aUnit) {
             $count = $unitData['value'];
 
             if ($short) {
                 $result = $this->translate($unitData['unitShort'], [], $count, $translator);
 
                 if ($result !== $unitData['unitShort']) {
                     return $result;
                 }
             } elseif ($aUnit) {
                 $key = 'a_'.$unitData['unit'];
                 $result = $this->translate($key, [], $count, $translator);
 
                 if ($result !== $key) {
                     return $result;
                 }
             }
 
             return $this->translate($unitData['unit'], [], $count, $translator);
         };
 
         foreach ($diffIntervalArray as $diffIntervalData) {
             if ($diffIntervalData['value'] > 0) {
                 $unit = $short ? $diffIntervalData['unitShort'] : $diffIntervalData['unit'];
                 $count = $diffIntervalData['value'];
                 $interval[] = $transChoice($short, $diffIntervalData);
             } elseif ($options & CarbonInterface::SEQUENTIAL_PARTS_ONLY && count($interval) > 0) {
                 break;
             }
 
             // break the loop after we get the required number of parts in array
             if (count($interval) >= $parts) {
                 break;
             }
         }
 
         if (count($interval) === 0) {
             if ($relativeToNow && $options & CarbonInterface::JUST_NOW) {
                 $key = 'diff_now';
                 $translation = $this->translate($key, [], null, $translator);
                 if ($translation !== $key) {
                     return $translation;
                 }
             }
             $count = $options & CarbonInterface::NO_ZERO_DIFF ? 1 : 0;
             $unit = $short ? 's' : 'second';
             $interval[] = $this->translate($unit, [], $count, $translator);
         }
 
         // join the interval parts by a space
         $time = $join($interval);
 
         unset($diffIntervalArray, $interval);
 
         if ($absolute) {
             return $time;
         }
 
         $isFuture = $this->invert === 1;
 
         $transId = $relativeToNow ? ($isFuture ? 'from_now' : 'ago') : ($isFuture ? 'after' : 'before');
 
         if ($parts === 1) {
             if ($relativeToNow && $unit === 'day') {
                 if ($count === 1 && $options & CarbonInterface::ONE_DAY_WORDS) {
                     $key = $isFuture ? 'diff_tomorrow' : 'diff_yesterday';
                     $translation = $this->translate($key, [], null, $translator);
                     if ($translation !== $key) {
                         return $translation;
                     }
                 }
                 if ($count === 2 && $options & CarbonInterface::TWO_DAY_WORDS) {
                     $key = $isFuture ? 'diff_after_tomorrow' : 'diff_before_yesterday';
                     $translation = $this->translate($key, [], null, $translator);
                     if ($translation !== $key) {
                         return $translation;
                     }
                 }
             }
             // Some languages have special pluralization for past and future tense.
             $key = $unit.'_'.$transId;
             if ($key !== $this->translate($key, [], null, $translator)) {
                 $time = $this->translate($key, [], $count, $translator);
             }
         }
 
         return $this->translate($transId, [':time' => $time], null, $translator);
     }
 
     /**
      * Format the instance as a string using the forHumans() function.
      *
      * @return string
      */
     public function __toString()
     {
         return $this->forHumans();
     }
 
     /**
      * Convert the interval to a CarbonPeriod.
      *
      * @return CarbonPeriod
      */
     public function toPeriod(...$params)
     {
         return CarbonPeriod::create($this, ...$params);
     }
 
     /**
      * Invert the interval.
      *
      * @return $this
      */
     public function invert()
     {
         $this->invert = $this->invert ? 0 : 1;
 
         return $this;
     }
 
     protected function solveNegativeInterval()
     {
         if (!$this->isEmpty() && $this->years <= 0 && $this->months <= 0 && $this->dayz <= 0 && $this->hours <= 0 && $this->minutes <= 0 && $this->seconds <= 0 && $this->microseconds <= 0) {
             $this->years *= -1;
             $this->months *= -1;
             $this->dayz *= -1;
             $this->hours *= -1;
             $this->minutes *= -1;
             $this->seconds *= -1;
             $this->microseconds *= -1;
             $this->invert();
         }
 
         return $this;
     }
 
     /**
      * Add the passed interval to the current instance.
      *
      * @param string|DateInterval $unit
      * @param int                 $value
      *
      * @return static
      */
     public function add($unit, $value = 1)
     {
         if (is_numeric($unit)) {
             [$value, $unit] = [$unit, $value];
         }
 
         if (is_string($unit) && !preg_match('/^\s*\d/', $unit)) {
             $unit = "$value $unit";
             $value = 1;
         }
 
         $interval = static::make($unit);
 
         if (!$interval) {
             throw new InvalidArgumentException('This type of data cannot be added/subtracted.');
         }
 
         if ($value !== 1) {
             $interval->times($value);
         }
         $sign = ($this->invert === 1) !== ($interval->invert === 1) ? -1 : 1;
         $this->years += $interval->y * $sign;
         $this->months += $interval->m * $sign;
         $this->dayz += ($interval->days === false ? $interval->d : $interval->days) * $sign;
         $this->hours += $interval->h * $sign;
         $this->minutes += $interval->i * $sign;
         $this->seconds += $interval->s * $sign;
         $this->microseconds += $interval->microseconds * $sign;
 
         $this->solveNegativeInterval();
 
         return $this;
     }
 
     /**
      * Subtract the passed interval to the current instance.
      *
      * @param string|DateInterval $unit
      * @param int                 $value
      *
      * @return static
      */
     public function sub($unit, $value = 1)
     {
         if (is_numeric($unit)) {
             [$value, $unit] = [$unit, $value];
         }
 
         return $this->add($unit, -floatval($value));
     }
 
     /**
      * Subtract the passed interval to the current instance.
      *
      * @param string|DateInterval $unit
      * @param int                 $value
      *
      * @return static
      */
     public function subtract($unit, $value = 1)
     {
         return $this->sub($unit, $value);
     }
 
     /**
      * Multiply current instance given number of times. times() is naive, it multiplies each unit
      * (so day can be greater than 31, hour can be greater than 23, etc.) and the result is rounded
      * separately for each unit.
      *
      * Use times() when you want a fast and approximated calculation that does not cascade units.
      *
      * For a precise and cascaded calculation,
      *
      * @see multiply()
      *
      * @param float|int $factor
      *
      * @return $this
      */
     public function times($factor)
     {
         if ($factor < 0) {
             $this->invert = $this->invert ? 0 : 1;
             $factor = -$factor;
         }
 
         $this->years = (int) round($this->years * $factor);
         $this->months = (int) round($this->months * $factor);
         $this->dayz = (int) round($this->dayz * $factor);
         $this->hours = (int) round($this->hours * $factor);
         $this->minutes = (int) round($this->minutes * $factor);
         $this->seconds = (int) round($this->seconds * $factor);
         $this->microseconds = (int) round($this->microseconds * $factor);
 
         return $this;
     }
 
     /**
      * Divide current instance by a given divider. shares() is naive, it divides each unit separately
      * and the result is rounded for each unit. So 5 hours and 20 minutes shared by 3 becomes 2 hours
      * and 7 minutes.
      *
      * Use shares() when you want a fast and approximated calculation that does not cascade units.
      *
      * For a precise and cascaded calculation,
      *
      * @see divide()
      *
      * @param float|int $divider
      *
      * @return $this
      */
     public function shares($divider)
     {
         return $this->times(1 / $divider);
     }
 
     /**
      * Multiply and cascade current instance by a given factor.
      *
      * @param float|int $factor
      *
      * @return $this
      */
     public function multiply($factor)
     {
         if ($factor < 0) {
             $this->invert = $this->invert ? 0 : 1;
             $factor = -$factor;
         }
 
         $yearPart = (int) floor($this->years * $factor); // Split calculation to prevent imprecision
 
         if ($yearPart) {
             $this->years -= $yearPart / $factor;
         }
 
         $newInterval = static::__callStatic('years', [$yearPart])->microseconds($this->totalMicroseconds * $factor)->cascade();
 
         $this->years = $newInterval->years;
         $this->months = $newInterval->months;
         $this->dayz = $newInterval->dayz;
         $this->hours = $newInterval->hours;
         $this->minutes = $newInterval->minutes;
         $this->seconds = $newInterval->seconds;
         $this->microseconds = $newInterval->microseconds;
 
         return $this;
     }
 
     /**
      * Divide and cascade current instance by a given divider.
      *
      * @param float|int $divider
      *
      * @return $this
      */
     public function divide($divider)
     {
         return $this->multiply(1 / $divider);
     }
 
     /**
      * Get the interval_spec string of a date interval.
      *
      * @param DateInterval $interval
      *
      * @return string
      */
     public static function getDateIntervalSpec(DateInterval $interval)
     {
         $date = array_filter([
             static::PERIOD_YEARS => abs($interval->y),
             static::PERIOD_MONTHS => abs($interval->m),
             static::PERIOD_DAYS => abs($interval->d),
         ]);
 
         $time = array_filter([
             static::PERIOD_HOURS => abs($interval->h),
             static::PERIOD_MINUTES => abs($interval->i),
             static::PERIOD_SECONDS => abs($interval->s),
         ]);
 
         $specString = static::PERIOD_PREFIX;
 
         foreach ($date as $key => $value) {
             $specString .= $value.$key;
         }
 
         if (count($time) > 0) {
             $specString .= static::PERIOD_TIME_PREFIX;
             foreach ($time as $key => $value) {
                 $specString .= $value.$key;
             }
         }
 
         return $specString === static::PERIOD_PREFIX ? 'PT0S' : $specString;
     }
 
     /**
      * Get the interval_spec string.
      *
      * @return string
      */
     public function spec()
     {
         return static::getDateIntervalSpec($this);
     }
 
     /**
      * Comparing 2 date intervals.
      *
      * @param DateInterval $first
      * @param DateInterval $second
      *
      * @return int
      */
     public static function compareDateIntervals(DateInterval $first, DateInterval $second)
     {
         $current = Carbon::now();
         $passed = $current->copy()->add($second);
         $current->add($first);
 
         if ($current < $passed) {
             return -1;
         }
         if ($current > $passed) {
             return 1;
         }
 
         return 0;
     }
 
     /**
      * Comparing with passed interval.
      *
      * @param DateInterval $interval
      *
      * @return int
      */
     public function compare(DateInterval $interval)
     {
         return static::compareDateIntervals($this, $interval);
     }
 
     /**
      * Convert overflowed values into bigger units.
      *
      * @return $this
      */
     public function cascade()
     {
         foreach (static::getFlipCascadeFactors() as $source => [$target, $factor]) {
             if ($source === 'dayz' && $target === 'weeks') {
                 continue;
             }
 
             $value = $this->$source;
             $this->$source = $modulo = ($factor + ($value % $factor)) % $factor;
             $this->$target += ($value - $modulo) / $factor;
             if ($this->$source > 0 && $this->$target < 0) {
                 $this->$source -= $factor;
                 $this->$target++;
             }
         }
 
         return $this->solveNegativeInterval();
     }
 
     /**
      * Get amount of given unit equivalent to the interval.
      *
      * @param string $unit
      *
      * @throws \InvalidArgumentException
      *
      * @return float
      */
     public function total($unit)
     {
         $realUnit = $unit = strtolower($unit);
 
         if (in_array($unit, ['days', 'weeks'])) {
             $realUnit = 'dayz';
         } elseif (!in_array($unit, ['microseconds', 'milliseconds', 'seconds', 'minutes', 'hours', 'dayz', 'months', 'years'])) {
             throw new InvalidArgumentException("Unknown unit '$unit'.");
         }
 
         $result = 0;
         $cumulativeFactor = 0;
         $unitFound = false;
         $factors = static::getFlipCascadeFactors();
 
         foreach ($factors as $source => [$target, $factor]) {
             if ($source === $realUnit) {
                 $unitFound = true;
                 $value = $this->$source;
                 if ($source === 'microseconds' && isset($factors['milliseconds'])) {
                     $value %= Carbon::MICROSECONDS_PER_MILLISECOND;
                 }
                 $result += $value;
                 $cumulativeFactor = 1;
             }
 
             if ($factor === false) {
                 if ($unitFound) {
                     break;
                 }
 
                 $result = 0;
                 $cumulativeFactor = 0;
 
                 continue;
             }
 
             if ($target === $realUnit) {
                 $unitFound = true;
             }
 
             if ($cumulativeFactor) {
                 $cumulativeFactor *= $factor;
                 $result += $this->$target * $cumulativeFactor;
 
                 continue;
             }
 
             $value = $this->$source;
 
             if ($source === 'microseconds' && isset($factors['milliseconds'])) {
                 $value %= Carbon::MICROSECONDS_PER_MILLISECOND;
             }
 
             $result = ($result + $value) / $factor;
         }
 
         if (isset($target) && !$cumulativeFactor) {
             $result += $this->$target;
         }
 
         if (!$unitFound) {
             throw new \InvalidArgumentException("Unit $unit have no configuration to get total from other units.");
         }
 
         if ($unit === 'weeks') {
             return $result / static::getDaysPerWeek();
         }
 
         return $result;
     }
 
     /**
      * Determines if the instance is equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @see equalTo()
      *
      * @return bool
      */
     public function eq($interval): bool
     {
         return $this->equalTo($interval);
     }
 
     /**
      * Determines if the instance is equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @return bool
      */
     public function equalTo($interval): bool
     {
         $interval = $this->resolveInterval($interval);
 
         return $interval !== null && $this->totalMicroseconds === $interval->totalMicroseconds;
     }
 
     /**
      * Determines if the instance is not equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @see notEqualTo()
      *
      * @return bool
      */
     public function ne($interval): bool
     {
         return $this->notEqualTo($interval);
     }
 
     /**
      * Determines if the instance is not equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @return bool
      */
     public function notEqualTo($interval): bool
     {
         return !$this->eq($interval);
     }
 
     /**
      * Determines if the instance is greater (longer) than another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @see greaterThan()
      *
      * @return bool
      */
     public function gt($interval): bool
     {
         return $this->greaterThan($interval);
     }
 
     /**
      * Determines if the instance is greater (longer) than another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @return bool
      */
     public function greaterThan($interval): bool
     {
         $interval = $this->resolveInterval($interval);
 
         return $interval === null || $this->totalMicroseconds > $interval->totalMicroseconds;
     }
 
     /**
      * Determines if the instance is greater (longer) than or equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @see greaterThanOrEqualTo()
      *
      * @return bool
      */
     public function gte($interval): bool
     {
         return $this->greaterThanOrEqualTo($interval);
     }
 
     /**
      * Determines if the instance is greater (longer) than or equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @return bool
      */
     public function greaterThanOrEqualTo($interval): bool
     {
         return $this->greaterThan($interval) || $this->equalTo($interval);
     }
 
     /**
      * Determines if the instance is less (shorter) than another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @see lessThan()
      *
      * @return bool
      */
     public function lt($interval): bool
     {
         return $this->lessThan($interval);
     }
 
     /**
      * Determines if the instance is less (shorter) than another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @return bool
      */
     public function lessThan($interval): bool
     {
         $interval = $this->resolveInterval($interval);
 
         return $interval !== null && $this->totalMicroseconds < $interval->totalMicroseconds;
     }
 
     /**
      * Determines if the instance is less (shorter) than or equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @see lessThanOrEqualTo()
      *
      * @return bool
      */
     public function lte($interval): bool
     {
         return $this->lessThanOrEqualTo($interval);
     }
 
     /**
      * Determines if the instance is less (shorter) than or equal to another
      *
      * @param \Carbon\CarbonInterval|DateInterval|mixed $interval
      *
      * @return bool
      */
     public function lessThanOrEqualTo($interval): bool
     {
         return $this->lessThan($interval) || $this->equalTo($interval);
     }
 
     /**
      * Determines if the instance is between two others.
      *
      * @example
      * ```
      * CarbonInterval::hours(48)->between(CarbonInterval::day(), CarbonInterval::days(3)); // true
      * CarbonInterval::hours(48)->between(CarbonInterval::day(), CarbonInterval::hours(36)); // false
      * CarbonInterval::hours(48)->between(CarbonInterval::day(), CarbonInterval::days(2)); // true
      * CarbonInterval::hours(48)->between(CarbonInterval::day(), CarbonInterval::days(2), false); // false
      * ```
      *
      * @param \Carbon\CarbonInterval|\DateInterval|mixed $interval1
      * @param \Carbon\CarbonInterval|\DateInterval|mixed $interval2
      * @param bool                                       $equal     Indicates if an equal to comparison should be done
      *
      * @return bool
      */
     public function between($interval1, $interval2, $equal = true): bool
     {
         return $equal
             ? $this->greaterThanOrEqualTo($interval1) && $this->lessThanOrEqualTo($interval2)
             : $this->greaterThan($interval1) && $this->lessThan($interval2);
     }
 
     /**
      * Determines if the instance is between two others, bounds excluded.
      *
      * @example
      * ```
      * CarbonInterval::hours(48)->betweenExcluded(CarbonInterval::day(), CarbonInterval::days(3)); // true
      * CarbonInterval::hours(48)->betweenExcluded(CarbonInterval::day(), CarbonInterval::hours(36)); // false
      * CarbonInterval::hours(48)->betweenExcluded(CarbonInterval::day(), CarbonInterval::days(2)); // false
      * ```
      *
      * @param \Carbon\CarbonInterval|\DateInterval|mixed $interval1
      * @param \Carbon\CarbonInterval|\DateInterval|mixed $interval2
      *
      * @return bool
      */
     public function betweenExcluded($interval1, $interval2): bool
     {
         return $this->between($interval1, $interval2, false);
     }
 
     /**
      * Determines if the instance is between two others
      *
      * @example
      * ```
      * CarbonInterval::hours(48)->isBetween(CarbonInterval::day(), CarbonInterval::days(3)); // true
      * CarbonInterval::hours(48)->isBetween(CarbonInterval::day(), CarbonInterval::hours(36)); // false
      * CarbonInterval::hours(48)->isBetween(CarbonInterval::day(), CarbonInterval::days(2)); // true
      * CarbonInterval::hours(48)->isBetween(CarbonInterval::day(), CarbonInterval::days(2), false); // false
      * ```
      *
      * @param \Carbon\CarbonInterval|\DateInterval|mixed $interval1
      * @param \Carbon\CarbonInterval|\DateInterval|mixed $interval2
      * @param bool                                       $equal     Indicates if an equal to comparison should be done
      *
      * @return bool
      */
     public function isBetween($interval1, $interval2, $equal = true): bool
     {
         return $this->between($interval1, $interval2, $equal);
     }
 }