Your IP : 3.135.249.119
<?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 Carbon\Exceptions\BadFluentConstructorException;
use Carbon\Exceptions\BadFluentSetterException;
use Carbon\Exceptions\InvalidCastException;
use Carbon\Exceptions\InvalidIntervalException;
use Carbon\Exceptions\ParseErrorException;
use Carbon\Exceptions\UnitNotConfiguredException;
use Carbon\Exceptions\UnknownGetterException;
use Carbon\Exceptions\UnknownSetterException;
use Carbon\Exceptions\UnknownUnitException;
use Carbon\Traits\IntervalRounding;
use Carbon\Traits\IntervalStep;
use Carbon\Traits\Mixin;
use Carbon\Traits\Options;
use Closure;
use DateInterval;
use DateTimeInterface;
use DateTimeZone;
use Exception;
use ReflectionException;
use ReturnTypeWillChange;
use Throwable;
/**
* 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 int $microExcludeMilli Remaining microseconds without the milliseconds.
* @property int $dayzExcludeWeeks Total days remaining in the final week of the current instance (days % 7).
* @property 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 or modify the number of years if called on an instance.
* @method static CarbonInterval year($years = 1) Alias for years()
* @method static CarbonInterval months($months = 1) Create instance specifying a number of months or modify the number of months if called on an instance.
* @method static CarbonInterval month($months = 1) Alias for months()
* @method static CarbonInterval weeks($weeks = 1) Create instance specifying a number of weeks or modify the number of weeks if called on an instance.
* @method static CarbonInterval week($weeks = 1) Alias for weeks()
* @method static CarbonInterval days($days = 1) Create instance specifying a number of days or modify the number of days if called on an instance.
* @method static CarbonInterval dayz($days = 1) Alias for days()
* @method static CarbonInterval daysExcludeWeeks($days = 1) Create instance specifying a number of days or modify the number of days (keeping the current number of weeks) if called on an instance.
* @method static CarbonInterval dayzExcludeWeeks($days = 1) Alias for daysExcludeWeeks()
* @method static CarbonInterval day($days = 1) Alias for days()
* @method static CarbonInterval hours($hours = 1) Create instance specifying a number of hours or modify the number of hours if called on an instance.
* @method static CarbonInterval hour($hours = 1) Alias for hours()
* @method static CarbonInterval minutes($minutes = 1) Create instance specifying a number of minutes or modify the number of minutes if called on an instance.
* @method static CarbonInterval minute($minutes = 1) Alias for minutes()
* @method static CarbonInterval seconds($seconds = 1) Create instance specifying a number of seconds or modify the number of seconds if called on an instance.
* @method static CarbonInterval second($seconds = 1) Alias for seconds()
* @method static CarbonInterval milliseconds($milliseconds = 1) Create instance specifying a number of milliseconds or modify the number of milliseconds if called on an instance.
* @method static CarbonInterval millisecond($milliseconds = 1) Alias for milliseconds()
* @method static CarbonInterval microseconds($microseconds = 1) Create instance specifying a number of microseconds or modify the number of microseconds if called on an instance.
* @method static CarbonInterval microsecond($microseconds = 1) Alias for microseconds()
* @method $this addYears(int $years) Add given number of years to the current interval
* @method $this subYears(int $years) Subtract given number of years to the current interval
* @method $this addMonths(int $months) Add given number of months to the current interval
* @method $this subMonths(int $months) Subtract given number of months to the current interval
* @method $this addWeeks(int|float $weeks) Add given number of weeks to the current interval
* @method $this subWeeks(int|float $weeks) Subtract given number of weeks to the current interval
* @method $this addDays(int|float $days) Add given number of days to the current interval
* @method $this subDays(int|float $days) Subtract given number of days to the current interval
* @method $this addHours(int|float $hours) Add given number of hours to the current interval
* @method $this subHours(int|float $hours) Subtract given number of hours to the current interval
* @method $this addMinutes(int|float $minutes) Add given number of minutes to the current interval
* @method $this subMinutes(int|float $minutes) Subtract given number of minutes to the current interval
* @method $this addSeconds(int|float $seconds) Add given number of seconds to the current interval
* @method $this subSeconds(int|float $seconds) Subtract given number of seconds to the current interval
* @method $this addMilliseconds(int|float $milliseconds) Add given number of milliseconds to the current interval
* @method $this subMilliseconds(int|float $milliseconds) Subtract given number of milliseconds to the current interval
* @method $this addMicroseconds(int|float $microseconds) Add given number of microseconds to the current interval
* @method $this subMicroseconds(int|float $microseconds) Subtract given number of microseconds to the current interval
* @method $this roundYear(int|float $precision = 1, string $function = "round") Round the current instance year with given precision using the given function.
* @method $this roundYears(int|float $precision = 1, string $function = "round") Round the current instance year with given precision using the given function.
* @method $this floorYear(int|float $precision = 1) Truncate the current instance year with given precision.
* @method $this floorYears(int|float $precision = 1) Truncate the current instance year with given precision.
* @method $this ceilYear(int|float $precision = 1) Ceil the current instance year with given precision.
* @method $this ceilYears(int|float $precision = 1) Ceil the current instance year with given precision.
* @method $this roundMonth(int|float $precision = 1, string $function = "round") Round the current instance month with given precision using the given function.
* @method $this roundMonths(int|float $precision = 1, string $function = "round") Round the current instance month with given precision using the given function.
* @method $this floorMonth(int|float $precision = 1) Truncate the current instance month with given precision.
* @method $this floorMonths(int|float $precision = 1) Truncate the current instance month with given precision.
* @method $this ceilMonth(int|float $precision = 1) Ceil the current instance month with given precision.
* @method $this ceilMonths(int|float $precision = 1) Ceil the current instance month with given precision.
* @method $this roundWeek(int|float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this roundWeeks(int|float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this floorWeek(int|float $precision = 1) Truncate the current instance day with given precision.
* @method $this floorWeeks(int|float $precision = 1) Truncate the current instance day with given precision.
* @method $this ceilWeek(int|float $precision = 1) Ceil the current instance day with given precision.
* @method $this ceilWeeks(int|float $precision = 1) Ceil the current instance day with given precision.
* @method $this roundDay(int|float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this roundDays(int|float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this floorDay(int|float $precision = 1) Truncate the current instance day with given precision.
* @method $this floorDays(int|float $precision = 1) Truncate the current instance day with given precision.
* @method $this ceilDay(int|float $precision = 1) Ceil the current instance day with given precision.
* @method $this ceilDays(int|float $precision = 1) Ceil the current instance day with given precision.
* @method $this roundHour(int|float $precision = 1, string $function = "round") Round the current instance hour with given precision using the given function.
* @method $this roundHours(int|float $precision = 1, string $function = "round") Round the current instance hour with given precision using the given function.
* @method $this floorHour(int|float $precision = 1) Truncate the current instance hour with given precision.
* @method $this floorHours(int|float $precision = 1) Truncate the current instance hour with given precision.
* @method $this ceilHour(int|float $precision = 1) Ceil the current instance hour with given precision.
* @method $this ceilHours(int|float $precision = 1) Ceil the current instance hour with given precision.
* @method $this roundMinute(int|float $precision = 1, string $function = "round") Round the current instance minute with given precision using the given function.
* @method $this roundMinutes(int|float $precision = 1, string $function = "round") Round the current instance minute with given precision using the given function.
* @method $this floorMinute(int|float $precision = 1) Truncate the current instance minute with given precision.
* @method $this floorMinutes(int|float $precision = 1) Truncate the current instance minute with given precision.
* @method $this ceilMinute(int|float $precision = 1) Ceil the current instance minute with given precision.
* @method $this ceilMinutes(int|float $precision = 1) Ceil the current instance minute with given precision.
* @method $this roundSecond(int|float $precision = 1, string $function = "round") Round the current instance second with given precision using the given function.
* @method $this roundSeconds(int|float $precision = 1, string $function = "round") Round the current instance second with given precision using the given function.
* @method $this floorSecond(int|float $precision = 1) Truncate the current instance second with given precision.
* @method $this floorSeconds(int|float $precision = 1) Truncate the current instance second with given precision.
* @method $this ceilSecond(int|float $precision = 1) Ceil the current instance second with given precision.
* @method $this ceilSeconds(int|float $precision = 1) Ceil the current instance second with given precision.
* @method $this roundMillennium(int|float $precision = 1, string $function = "round") Round the current instance millennium with given precision using the given function.
* @method $this roundMillennia(int|float $precision = 1, string $function = "round") Round the current instance millennium with given precision using the given function.
* @method $this floorMillennium(int|float $precision = 1) Truncate the current instance millennium with given precision.
* @method $this floorMillennia(int|float $precision = 1) Truncate the current instance millennium with given precision.
* @method $this ceilMillennium(int|float $precision = 1) Ceil the current instance millennium with given precision.
* @method $this ceilMillennia(int|float $precision = 1) Ceil the current instance millennium with given precision.
* @method $this roundCentury(int|float $precision = 1, string $function = "round") Round the current instance century with given precision using the given function.
* @method $this roundCenturies(int|float $precision = 1, string $function = "round") Round the current instance century with given precision using the given function.
* @method $this floorCentury(int|float $precision = 1) Truncate the current instance century with given precision.
* @method $this floorCenturies(int|float $precision = 1) Truncate the current instance century with given precision.
* @method $this ceilCentury(int|float $precision = 1) Ceil the current instance century with given precision.
* @method $this ceilCenturies(int|float $precision = 1) Ceil the current instance century with given precision.
* @method $this roundDecade(int|float $precision = 1, string $function = "round") Round the current instance decade with given precision using the given function.
* @method $this roundDecades(int|float $precision = 1, string $function = "round") Round the current instance decade with given precision using the given function.
* @method $this floorDecade(int|float $precision = 1) Truncate the current instance decade with given precision.
* @method $this floorDecades(int|float $precision = 1) Truncate the current instance decade with given precision.
* @method $this ceilDecade(int|float $precision = 1) Ceil the current instance decade with given precision.
* @method $this ceilDecades(int|float $precision = 1) Ceil the current instance decade with given precision.
* @method $this roundQuarter(int|float $precision = 1, string $function = "round") Round the current instance quarter with given precision using the given function.
* @method $this roundQuarters(int|float $precision = 1, string $function = "round") Round the current instance quarter with given precision using the given function.
* @method $this floorQuarter(int|float $precision = 1) Truncate the current instance quarter with given precision.
* @method $this floorQuarters(int|float $precision = 1) Truncate the current instance quarter with given precision.
* @method $this ceilQuarter(int|float $precision = 1) Ceil the current instance quarter with given precision.
* @method $this ceilQuarters(int|float $precision = 1) Ceil the current instance quarter with given precision.
* @method $this roundMillisecond(int|float $precision = 1, string $function = "round") Round the current instance millisecond with given precision using the given function.
* @method $this roundMilliseconds(int|float $precision = 1, string $function = "round") Round the current instance millisecond with given precision using the given function.
* @method $this floorMillisecond(int|float $precision = 1) Truncate the current instance millisecond with given precision.
* @method $this floorMilliseconds(int|float $precision = 1) Truncate the current instance millisecond with given precision.
* @method $this ceilMillisecond(int|float $precision = 1) Ceil the current instance millisecond with given precision.
* @method $this ceilMilliseconds(int|float $precision = 1) Ceil the current instance millisecond with given precision.
* @method $this roundMicrosecond(int|float $precision = 1, string $function = "round") Round the current instance microsecond with given precision using the given function.
* @method $this roundMicroseconds(int|float $precision = 1, string $function = "round") Round the current instance microsecond with given precision using the given function.
* @method $this floorMicrosecond(int|float $precision = 1) Truncate the current instance microsecond with given precision.
* @method $this floorMicroseconds(int|float $precision = 1) Truncate the current instance microsecond with given precision.
* @method $this ceilMicrosecond(int|float $precision = 1) Ceil the current instance microsecond with given precision.
* @method $this ceilMicroseconds(int|float $precision = 1) Ceil the current instance microsecond with given precision.
*/
class CarbonInterval extends DateInterval implements CarbonConverterInterface
{
use IntervalRounding;
use IntervalStep;
use Mixin {
Mixin::mixin as baseMixin;
}
use Options;
/**
* Interval spec period designators
*/
public const PERIOD_PREFIX = 'P';
public const PERIOD_YEARS = 'Y';
public const PERIOD_MONTHS = 'M';
public const PERIOD_DAYS = 'D';
public const PERIOD_TIME_PREFIX = 'T';
public const PERIOD_HOURS = 'H';
public const PERIOD_MINUTES = 'M';
public 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
*/
protected static $formats = [
'y' => 'y',
'Y' => 'y',
'o' => 'y',
'm' => 'm',
'n' => 'm',
'W' => 'weeks',
'd' => 'd',
'j' => 'd',
'z' => 'd',
'h' => 'h',
'g' => 'h',
'H' => 'h',
'G' => 'h',
'i' => 'i',
's' => 's',
'u' => 'micro',
'v' => 'milli',
];
/**
* @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.
*
* @param \DateTimeZone|string $tzName
*
* @return static
*/
public function setTimezone($tzName)
{
$this->tzName = $tzName;
return $this;
}
/**
* @internal
*
* 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'],
'weeks' => [Carbon::DAYS_PER_WEEK, 'dayz'],
'months' => [Carbon::WEEKS_PER_MONTH, 'weeks'],
'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 Closure|DateInterval|string|int|null $years
* @param int|null $months
* @param int|null $weeks
* @param int|null $days
* @param int|null $hours
* @param int|null $minutes
* @param int|null $seconds
* @param int|null $microseconds
*
* @throws Exception when the interval_spec (passed as $years) cannot be parsed as an interval.
*/
public function __construct($years = 1, $months = null, $weeks = null, $days = null, $hours = null, $minutes = null, $seconds = null, $microseconds = null)
{
if ($years instanceof Closure) {
$this->step = $years;
$years = null;
}
if ($years instanceof DateInterval) {
parent::__construct(static::getDateIntervalSpec($years));
$this->f = $years->f;
self::copyNegativeUnits($years, $this);
return;
}
$spec = $years;
if (!\is_string($spec) || (float) $years || preg_match('/^[\d.]/', $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 ($microseconds !== null) {
$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);
$factors = self::getFlipCascadeFactors();
if (isset($factors[$source])) {
[$to, $factor] = $factors[$source];
if ($to === $target) {
return $factor;
}
return $factor * static::getFactor($to, $target);
}
return null;
}
/**
* Returns the factor for a given source-to-target couple if set,
* else try to find the appropriate constant as the factor, such as Carbon::DAYS_PER_WEEK.
*
* @param string $source
* @param string $target
*
* @return int|null
*/
public static function getFactorWithDefault($source, $target)
{
$factor = self::getFactor($source, $target);
if ($factor) {
return $factor;
}
static $defaults = [
'month' => ['year' => Carbon::MONTHS_PER_YEAR],
'week' => ['month' => Carbon::WEEKS_PER_MONTH],
'day' => ['week' => Carbon::DAYS_PER_WEEK],
'hour' => ['day' => Carbon::HOURS_PER_DAY],
'minute' => ['hour' => Carbon::MINUTES_PER_HOUR],
'second' => ['minute' => Carbon::SECONDS_PER_MINUTE],
'millisecond' => ['second' => Carbon::MILLISECONDS_PER_SECOND],
'microsecond' => ['millisecond' => Carbon::MICROSECONDS_PER_MILLISECOND],
];
return $defaults[$source][$target] ?? 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
*
* @throws Exception when the interval_spec (passed as $years) cannot be parsed as an interval.
*
* @return static
*/
public static function create($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);
}
/**
* Parse a string into a new CarbonInterval object according to the specified format.
*
* @example
* ```
* echo Carboninterval::createFromFormat('H:i', '1:30');
* ```
*
* @param string $format Format of the $interval input string
* @param string|null $interval Input string to convert into an interval
*
* @throws \Carbon\Exceptions\ParseErrorException when the $interval cannot be parsed as an interval.
*
* @return static
*/
public static function createFromFormat(string $format, ?string $interval)
{
$instance = new static(0);
$length = mb_strlen($format);
if (preg_match('/s([,.])([uv])$/', $format, $match)) {
$interval = explode($match[1], $interval);
$index = \count($interval) - 1;
$interval[$index] = str_pad($interval[$index], $match[2] === 'v' ? 3 : 6, '0');
$interval = implode($match[1], $interval);
}
$interval = $interval ?? '';
for ($index = 0; $index < $length; $index++) {
$expected = mb_substr($format, $index, 1);
$nextCharacter = mb_substr($interval, 0, 1);
$unit = static::$formats[$expected] ?? null;
if ($unit) {
if (!preg_match('/^-?\d+/', $interval, $match)) {
throw new ParseErrorException('number', $nextCharacter);
}
$interval = mb_substr($interval, mb_strlen($match[0]));
$instance->$unit += (int) ($match[0]);
continue;
}
if ($nextCharacter !== $expected) {
throw new ParseErrorException(
"'$expected'",
$nextCharacter,
'Allowed substitutes for interval formats are '.implode(', ', array_keys(static::$formats))."\n".
'See https://php.net/manual/en/function.date.php for their meaning'
);
}
$interval = mb_substr($interval, 1);
}
if ($interval !== '') {
throw new ParseErrorException(
'end of string',
$interval
);
}
return $instance;
}
/**
* Get a copy of the instance.
*
* @return static
*/
public function copy()
{
$date = new static(0);
$date->copyProperties($this);
$date->step = $this->step;
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)
{
try {
$interval = new static(0);
$localStrictModeEnabled = $interval->localStrictModeEnabled;
$interval->localStrictModeEnabled = true;
$result = static::hasMacro($method)
? static::bindMacroContext(null, function () use (&$method, &$parameters, &$interval) {
return $interval->callMacro($method, $parameters);
})
: $interval->$method(...$parameters);
$interval->localStrictModeEnabled = $localStrictModeEnabled;
return $result;
} catch (BadFluentSetterException $exception) {
if (Carbon::isStrictModeEnabled()) {
throw new BadFluentConstructorException($method, 0, $exception);
}
return null;
}
}
/**
* Return the current context from inside a macro callee or a new one if static.
*
* @return static
*/
protected static function this()
{
return end(static::$macroContextStack) ?: new static(0);
}
/**
* 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 = (int) $value;
$fraction = (float) $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 InvalidIntervalException(
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 interval string in the given language (may also contain English).
* @param string|null $locale if locale is null or not specified, current global locale will be used instead.
*
* @return static
*/
public static function parseFromLocale($interval, $locale = null)
{
return static::fromString(Carbon::translateTimeString($interval, $locale ?: static::getLocale(), 'en'));
}
private static function castIntervalToClass(DateInterval $interval, string $className)
{
$mainClass = DateInterval::class;
if (!is_a($className, $mainClass, true)) {
throw new InvalidCastException("$className is not a sub-class of $mainClass.");
}
$microseconds = $interval->f;
$instance = new $className(static::getDateIntervalSpec($interval));
if ($microseconds) {
$instance->f = $microseconds;
}
if ($interval instanceof self && is_a($className, self::class, true)) {
self::copyStep($interval, $instance);
}
self::copyNegativeUnits($interval, $instance);
return $instance;
}
private static function copyNegativeUnits(DateInterval $from, DateInterval $to): void
{
$to->invert = $from->invert;
foreach (['y', 'm', 'd', 'h', 'i', 's'] as $unit) {
if ($from->$unit < 0) {
$to->$unit *= -1;
}
}
}
private static function copyStep(self $from, self $to): void
{
$to->setStep($from->getStep());
}
/**
* Cast the current instance into the given class.
*
* @param string $className The $className::instance() method will be called to cast the current object.
*
* @return DateInterval
*/
public function cast(string $className)
{
return self::castIntervalToClass($this, $className);
}
/**
* 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 $interval)
{
return self::castIntervalToClass($interval, static::class);
}
/**
* 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|int|DateInterval|string|Closure|null $interval interval or number of the given $unit
* @param string|null $unit if specified, $interval must be an integer
*
* @return static|null
*/
public static function make($interval, $unit = null)
{
if ($unit) {
$interval = "$interval ".Carbon::pluralUnit($unit);
}
if ($interval instanceof DateInterval) {
return static::instance($interval);
}
if ($interval instanceof Closure) {
return new static($interval);
}
if (!\is_string($interval)) {
return null;
}
return static::makeFromString($interval);
}
protected static function makeFromString(string $interval)
{
$interval = preg_replace('/\s+/', ' ', trim($interval));
if (preg_match('/^P[T\d]/', $interval)) {
return new static($interval);
}
if (preg_match('/^(?:\h*\d+(?:\.\d+)?\h*[a-z]+)+$/i', $interval)) {
return static::fromString($interval);
}
/** @var static $interval */
$interval = static::createFromDateString($interval);
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 $time
*
* @return static
*
* @link https://php.net/manual/en/dateinterval.createfromdatestring.php
*/
#[ReturnTypeWillChange]
public static function createFromDateString($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 $name
*
* @throws UnknownGetterException
*
* @return int|float|string
*/
public function get($name)
{
if (str_starts_with($name, '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 $this->s;
case 'milli':
case 'milliseconds':
return (int) (round($this->f * Carbon::MICROSECONDS_PER_SECOND) / Carbon::MICROSECONDS_PER_MILLISECOND);
case 'micro':
case 'microseconds':
return (int) round($this->f * Carbon::MICROSECONDS_PER_SECOND);
case 'microExcludeMilli':
return (int) round($this->f * Carbon::MICROSECONDS_PER_SECOND) % Carbon::MICROSECONDS_PER_MILLISECOND;
case 'weeks':
return (int) ($this->d / static::getDaysPerWeek());
case 'daysExcludeWeeks':
case 'dayzExcludeWeeks':
return $this->d % static::getDaysPerWeek();
case 'locale':
return $this->getTranslatorLocale();
default:
throw new UnknownGetterException($name);
}
}
/**
* Get a part of the CarbonInterval object.
*
* @param string $name
*
* @throws UnknownGetterException
*
* @return int|float|string
*/
public function __get($name)
{
return $this->get($name);
}
/**
* Set a part of the CarbonInterval object.
*
* @param string|array $name
* @param int $value
*
* @throws UnknownSetterException
*
* @return $this
*/
public function set($name, $value = null)
{
$properties = \is_array($name) ? $name : [$name => $value];
foreach ($properties as $key => $value) {
switch (Carbon::singularUnit(rtrim($key, '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 'daysexcludeweek':
case 'dayzexcludeweek':
$this->d = $this->weeks * static::getDaysPerWeek() + $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 UnknownSetterException($key);
}
$this->$key = $value;
}
}
return $this;
}
/**
* Set a part of the CarbonInterval object.
*
* @param string $name
* @param int $value
*
* @throws UnknownSetterException
*/
public function __set($name, $value)
{
$this->set($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|string $mixin
*
* @throws ReflectionException
*
* @return void
*/
public static function mixin($mixin)
{
static::baseMixin($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) {
$boundMacro = @$macro->bindTo($this, static::class) ?: @$macro->bindTo(null, static::class);
return ($boundMacro ?: $macro)(...$parameters);
}
return $macro(...$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 $parameters parameters list
*
* @throws BadFluentSetterException|Throwable
*
* @return static
*/
public function __call($method, $parameters)
{
if (static::hasMacro($method)) {
return static::bindMacroContext($this, function () use (&$method, &$parameters) {
return $this->callMacro($method, $parameters);
});
}
$roundedValue = $this->callRoundMethod($method, $parameters);
if ($roundedValue !== null) {
return $roundedValue;
}
if (preg_match('/^(?<method>add|sub)(?<unit>[A-Z].*)$/', $method, $match)) {
return $this->{$match['method']}($parameters[0], $match['unit']);
}
try {
$this->set($method, \count($parameters) === 0 ? 1 : $parameters[0]);
} catch (UnknownSetterException $exception) {
if ($this->localStrictModeEnabled ?? Carbon::isStrictModeEnabled()) {
throw new BadFluentSetterException($method, 0, $exception);
}
}
return $this;
}
protected function getForHumansInitialVariables($syntax, $short)
{
if (\is_array($syntax)) {
return $syntax;
}
if (\is_int($short)) {
return [
'parts' => $short,
'short' => false,
];
}
if (\is_bool($syntax)) {
return [
'short' => $syntax,
'syntax' => CarbonInterface::DIFF_ABSOLUTE,
];
}
return [];
}
/**
* @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)
{
$optionalSpace = ' ';
$default = $this->getTranslationMessage('list.0') ?? $this->getTranslationMessage('list') ?? ' ';
$join = $default === '' ? '' : ' ';
$altNumbers = false;
$aUnit = false;
$minimumUnit = 's';
$skip = [];
extract($this->getForHumansInitialVariables($syntax, $short));
$skip = array_filter((array) $skip, static function ($value) {
return \is_string($value) && $value !== '';
});
if ($syntax === null) {
$syntax = CarbonInterface::DIFF_ABSOLUTE;
}
if ($parts === -1) {
$parts = INF;
}
if ($options === null) {
$options = static::getHumanDiffOptions();
}
if ($join === false) {
$join = ' ';
} elseif ($join === true) {
$join = [
$default,
$this->getTranslationMessage('list.1') ?? $default,
];
}
if ($altNumbers && $altNumbers !== true) {
$language = new Language($this->locale);
$altNumbers = \in_array($language->getCode(), (array) $altNumbers, true);
}
if (\is_array($join)) {
[$default, $last] = $join;
if ($default !== ' ') {
$optionalSpace = '';
}
$join = function ($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)) {
if ($join !== ' ') {
$optionalSpace = '';
}
$glue = $join;
$join = function ($list) use ($glue) {
return implode($glue, $list);
};
}
$interpolations = [
':optional-space' => $optionalSpace,
];
return [$syntax, $short, $parts, $options, $join, $aUnit, $altNumbers, $interpolations, $minimumUnit, $skip];
}
protected static function getRoundingMethodFromOptions(int $options): ?string
{
if ($options & CarbonInterface::ROUND) {
return 'round';
}
if ($options & CarbonInterface::CEIL) {
return 'ceil';
}
if ($options & CarbonInterface::FLOOR) {
return 'floor';
}
return null;
}
/**
* Returns interval values as an array where key are the unit names and values the counts.
*
* @return int[]
*/
public function toArray()
{
return [
'years' => $this->years,
'months' => $this->months,
'weeks' => $this->weeks,
'days' => $this->daysExcludeWeeks,
'hours' => $this->hours,
'minutes' => $this->minutes,
'seconds' => $this->seconds,
'microseconds' => $this->microseconds,
];
}
/**
* Returns interval non-zero values as an array where key are the unit names and values the counts.
*
* @return int[]
*/
public function getNonZeroValues()
{
return array_filter($this->toArray(), 'intval');
}
/**
* Returns interval values as an array where key are the unit names and values the counts
* from the biggest non-zero one the the smallest non-zero one.
*
* @return int[]
*/
public function getValuesSequence()
{
$nonZeroValues = $this->getNonZeroValues();
if ($nonZeroValues === []) {
return [];
}
$keys = array_keys($nonZeroValues);
$firstKey = $keys[0];
$lastKey = $keys[\count($keys) - 1];
$values = [];
$record = false;
foreach ($this->toArray() as $unit => $count) {
if ($unit === $firstKey) {
$record = true;
}
if ($record) {
$values[$unit] = $count;
}
if ($unit === $lastKey) {
$record = false;
}
}
return $values;
}
/**
* 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";
* echo CarbonInterval::fromString('1d 24h')->forHumans(['minimumUnit' => 'hour']) . "\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)
* - '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
* - '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: no limits)
* @param int $options human diff options
*
* @throws Exception
*
* @return string
*/
public function forHumans($syntax = null, $short = false, $parts = -1, $options = null)
{
[$syntax, $short, $parts, $options, $join, $aUnit, $altNumbers, $interpolations, $minimumUnit, $skip] = $this
->getForHumansParameters($syntax, $short, $parts, $options);
$interval = [];
$syntax = (int) ($syntax ?? CarbonInterface::DIFF_ABSOLUTE);
$absolute = $syntax === CarbonInterface::DIFF_ABSOLUTE;
$relativeToNow = $syntax === CarbonInterface::DIFF_RELATIVE_TO_NOW;
$count = 1;
$unit = $short ? 's' : 'second';
$isFuture = $this->invert === 1;
$transId = $relativeToNow ? ($isFuture ? 'from_now' : 'ago') : ($isFuture ? 'after' : 'before');
$declensionMode = null;
/** @var \Symfony\Component\Translation\Translator $translator */
$translator = $this->getLocalTranslator();
$handleDeclensions = function ($unit, $count, $index = 0, $parts = 1) use ($interpolations, $transId, $translator, $altNumbers, $absolute, &$declensionMode) {
if (!$absolute) {
$declensionMode = $declensionMode ?? $this->translate($transId.'_mode');
if ($this->needsDeclension($declensionMode, $index, $parts)) {
// Some languages have special pluralization for past and future tense.
$key = $unit.'_'.$transId;
$result = $this->translate($key, $interpolations, $count, $translator, $altNumbers);
if ($result !== $key) {
return $result;
}
}
}
$result = $this->translate($unit, $interpolations, $count, $translator, $altNumbers);
if ($result !== $unit) {
return $result;
}
return null;
};
$intervalValues = $this;
$method = static::getRoundingMethodFromOptions($options);
if ($method) {
$previousCount = INF;
while (
\count($intervalValues->getNonZeroValues()) > $parts &&
($count = \count($keys = array_keys($intervalValues->getValuesSequence()))) > 1
) {
$index = min($count, $previousCount - 1) - 2;
if ($index < 0) {
break;
}
$intervalValues = $this->copy()->roundUnit(
$keys[$index],
1,
$method
);
$previousCount = $count;
}
}
$diffIntervalArray = [
['value' => $intervalValues->years, 'unit' => 'year', 'unitShort' => 'y'],
['value' => $intervalValues->months, 'unit' => 'month', 'unitShort' => 'm'],
['value' => $intervalValues->weeks, 'unit' => 'week', 'unitShort' => 'w'],
['value' => $intervalValues->daysExcludeWeeks, 'unit' => 'day', 'unitShort' => 'd'],
['value' => $intervalValues->hours, 'unit' => 'hour', 'unitShort' => 'h'],
['value' => $intervalValues->minutes, 'unit' => 'minute', 'unitShort' => 'min'],
['value' => $intervalValues->seconds, 'unit' => 'second', 'unitShort' => 's'],
['value' => $intervalValues->milliseconds, 'unit' => 'millisecond', 'unitShort' => 'ms'],
['value' => $intervalValues->microExcludeMilli, 'unit' => 'microsecond', 'unitShort' => 'µs'],
];
if (!empty($skip)) {
foreach ($diffIntervalArray as $index => &$unitData) {
$nextIndex = $index + 1;
if ($unitData['value'] &&
isset($diffIntervalArray[$nextIndex]) &&
\count(array_intersect([$unitData['unit'], $unitData['unit'].'s', $unitData['unitShort']], $skip))
) {
$diffIntervalArray[$nextIndex]['value'] += $unitData['value'] *
self::getFactorWithDefault($diffIntervalArray[$nextIndex]['unit'], $unitData['unit']);
$unitData['value'] = 0;
}
}
}
$transChoice = function ($short, $unitData, $index, $parts) use ($absolute, $handleDeclensions, $translator, $aUnit, $altNumbers, $interpolations) {
$count = $unitData['value'];
if ($short) {
$result = $handleDeclensions($unitData['unitShort'], $count, $index, $parts);
if ($result !== null) {
return $result;
}
} elseif ($aUnit) {
$result = $handleDeclensions('a_'.$unitData['unit'], $count, $index, $parts);
if ($result !== null) {
return $result;
}
}
if (!$absolute) {
return $handleDeclensions($unitData['unit'], $count, $index, $parts);
}
return $this->translate($unitData['unit'], $interpolations, $count, $translator, $altNumbers);
};
$fallbackUnit = ['second', 's'];
foreach ($diffIntervalArray as $diffIntervalData) {
if ($diffIntervalData['value'] > 0) {
$unit = $short ? $diffIntervalData['unitShort'] : $diffIntervalData['unit'];
$count = $diffIntervalData['value'];
$interval[] = [$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) >= $parts) {
break;
}
// break the loop after we have reached the minimum unit
if (\in_array($minimumUnit, [$diffIntervalData['unit'], $diffIntervalData['unitShort']], true)) {
$fallbackUnit = [$diffIntervalData['unit'], $diffIntervalData['unitShort']];
break;
}
}
$actualParts = \count($interval);
foreach ($interval as $index => &$item) {
$item = $transChoice($item[0], $item[1], $index, $actualParts);
}
if (\count($interval) === 0) {
if ($relativeToNow && $options & CarbonInterface::JUST_NOW) {
$key = 'diff_now';
$translation = $this->translate($key, $interpolations, null, $translator);
if ($translation !== $key) {
return $translation;
}
}
$count = $options & CarbonInterface::NO_ZERO_DIFF ? 1 : 0;
$unit = $fallbackUnit[$short ? 1 : 0];
$interval[] = $this->translate($unit, $interpolations, $count, $translator, $altNumbers);
}
// 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, $interpolations, 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, $interpolations, null, $translator);
if ($translation !== $key) {
return $translation;
}
}
}
$aTime = $aUnit ? $handleDeclensions('a_'.$unit, $count) : null;
$time = $aTime ?: $handleDeclensions($unit, $count) ?: $time;
}
$time = [':time' => $time];
return $this->translate($transId, array_merge($time, $interpolations, $time), null, $translator);
}
/**
* Format the instance as a string using the forHumans() function.
*
* @throws Exception
*
* @return string
*/
public function __toString()
{
$format = $this->localToStringFormat;
if (!$format) {
return $this->forHumans();
}
if ($format instanceof Closure) {
return $format($this);
}
return $this->format($format);
}
/**
* Return native DateInterval PHP object matching the current instance.
*
* @example
* ```
* var_dump(CarbonInterval::hours(2)->toDateInterval());
* ```
*
* @return DateInterval
*/
public function toDateInterval()
{
return self::castIntervalToClass($this, DateInterval::class);
}
/**
* Convert the interval to a CarbonPeriod.
*
* @param DateTimeInterface|string|int ...$params Start date, [end date or recurrences] and optional settings.
*
* @return CarbonPeriod
*/
public function toPeriod(...$params)
{
if ($this->tzName) {
$tz = \is_string($this->tzName) ? new DateTimeZone($this->tzName) : $this->tzName;
if ($tz instanceof DateTimeZone) {
array_unshift($params, $tz);
}
}
return CarbonPeriod::create($this, ...$params);
}
/**
* Invert the interval.
*
* @param bool|int $inverted if a parameter is passed, the passed value casted as 1 or 0 is used
* as the new value of the ->invert property.
*
* @return $this
*/
public function invert($inverted = null)
{
$this->invert = (\func_num_args() === 0 ? !$this->invert : $inverted) ? 1 : 0;
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|float $value
*
* @return $this
*/
public function add($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 (!$interval) {
throw new InvalidIntervalException('This type of data cannot be added/subtracted.');
}
if ($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|float $value
*
* @return $this
*/
public function sub($unit, $value = 1)
{
if (is_numeric($unit)) {
[$value, $unit] = [$unit, $value];
}
return $this->add($unit, -(float) $value);
}
/**
* Subtract the passed interval to the current instance.
*
* @param string|DateInterval $unit
* @param int|float $value
*
* @return $this
*/
public function subtract($unit, $value = 1)
{
return $this->sub($unit, $value);
}
/**
* Add given parameters to the current interval.
*
* @param int $years
* @param int $months
* @param int|float $weeks
* @param int|float $days
* @param int|float $hours
* @param int|float $minutes
* @param int|float $seconds
* @param int|float $microseconds
*
* @return $this
*/
public function plus(
$years = 0,
$months = 0,
$weeks = 0,
$days = 0,
$hours = 0,
$minutes = 0,
$seconds = 0,
$microseconds = 0
): self {
return $this->add("
$years years $months months $weeks weeks $days days
$hours hours $minutes minutes $seconds seconds $microseconds microseconds
");
}
/**
* Add given parameters to the current interval.
*
* @param int $years
* @param int $months
* @param int|float $weeks
* @param int|float $days
* @param int|float $hours
* @param int|float $minutes
* @param int|float $seconds
* @param int|float $microseconds
*
* @return $this
*/
public function minus(
$years = 0,
$months = 0,
$weeks = 0,
$days = 0,
$hours = 0,
$minutes = 0,
$seconds = 0,
$microseconds = 0
): self {
return $this->sub("
$years years $months months $weeks weeks $days days
$hours hours $minutes minutes $seconds seconds $microseconds microseconds
");
}
/**
* 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);
}
protected function copyProperties(self $interval, $ignoreSign = false)
{
$this->years = $interval->years;
$this->months = $interval->months;
$this->dayz = $interval->dayz;
$this->hours = $interval->hours;
$this->minutes = $interval->minutes;
$this->seconds = $interval->seconds;
$this->microseconds = $interval->microseconds;
if (!$ignoreSign) {
$this->invert = $interval->invert;
}
return $this;
}
/**
* 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;
}
return $this->copyProperties(
static::create($yearPart)
->microseconds(abs($this->totalMicroseconds) * $factor)
->cascade(),
true
);
}
/**
* 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 = $current->avoidMutation()->add($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);
}
private function invertCascade(array $values)
{
return $this->set(array_map(function ($value) {
return -$value;
}, $values))->doCascade(true)->invert();
}
private function doCascade(bool $deep)
{
$originalData = $this->toArray();
$originalData['milliseconds'] = (int) ($originalData['microseconds'] / static::getMicrosecondsPerMillisecond());
$originalData['microseconds'] = $originalData['microseconds'] % static::getMicrosecondsPerMillisecond();
$originalData['daysExcludeWeeks'] = $originalData['days'];
unset($originalData['days']);
$newData = $originalData;
foreach (self::getFlipCascadeFactors() as $source => [$target, $factor]) {
foreach (['source', 'target'] as $key) {
if ($$key === 'dayz') {
$$key = 'daysExcludeWeeks';
}
}
$value = $newData[$source];
$modulo = ($factor + ($value % $factor)) % $factor;
$newData[$source] = $modulo;
$newData[$target] += ($value - $modulo) / $factor;
}
$positive = null;
if (!$deep) {
foreach ($newData as $value) {
if ($value) {
if ($positive === null) {
$positive = ($value > 0);
continue;
}
if (($value > 0) !== $positive) {
return $this->invertCascade($originalData)
->solveNegativeInterval();
}
}
}
}
return $this->set($newData)
->solveNegativeInterval();
}
/**
* Convert overflowed values into bigger units.
*
* @return $this
*/
public function cascade()
{
return $this->doCascade(false);
}
public function hasNegativeValues(): bool
{
foreach ($this->toArray() as $value) {
if ($value < 0) {
return true;
}
}
return false;
}
public function hasPositiveValues(): bool
{
foreach ($this->toArray() as $value) {
if ($value > 0) {
return true;
}
}
return false;
}
/**
* Get amount of given unit equivalent to the interval.
*
* @param string $unit
*
* @throws UnknownUnitException|UnitNotConfiguredException
*
* @return float
*/
public function total($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 UnknownUnitException($unit);
}
$result = 0;
$cumulativeFactor = 0;
$unitFound = false;
$factors = self::getFlipCascadeFactors();
$daysPerWeek = static::getDaysPerWeek();
$values = [
'years' => $this->years,
'months' => $this->months,
'weeks' => (int) ($this->d / $daysPerWeek),
'dayz' => $this->d % $daysPerWeek,
'hours' => $this->hours,
'minutes' => $this->minutes,
'seconds' => $this->seconds,
'milliseconds' => (int) ($this->microseconds / Carbon::MICROSECONDS_PER_MILLISECOND),
'microseconds' => $this->microseconds % Carbon::MICROSECONDS_PER_MILLISECOND,
];
if (isset($factors['dayz']) && $factors['dayz'][0] !== 'weeks') {
$values['dayz'] += $values['weeks'] * $daysPerWeek;
$values['weeks'] = 0;
}
foreach ($factors as $source => [$target, $factor]) {
if ($source === $realUnit) {
$unitFound = true;
$value = $values[$source];
$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 += $values[$target] * $cumulativeFactor;
continue;
}
$value = $values[$source];
$result = ($result + $value) / $factor;
}
if (isset($target) && !$cumulativeFactor) {
$result += $values[$target];
}
if (!$unitFound) {
throw new UnitNotConfiguredException($unit);
}
if ($this->invert) {
$result *= -1;
}
if ($unit === 'weeks') {
return $result / $daysPerWeek;
}
return $result;
}
/**
* Determines if the instance is equal to another
*
* @param 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 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 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 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 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 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 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 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 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 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 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 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.
*
* The third argument allow you to specify if bounds are included or not (true by default)
* but for when you including/excluding bounds may produce different results in your application,
* we recommend to use the explicit methods ->betweenIncluded() or ->betweenExcluded() instead.
*
* @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 CarbonInterval|DateInterval|mixed $interval1
* @param 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)); // true
* ```
*
* @param CarbonInterval|DateInterval|mixed $interval1
* @param CarbonInterval|DateInterval|mixed $interval2
*
* @return bool
*/
public function betweenIncluded($interval1, $interval2): bool
{
return $this->between($interval1, $interval2, true);
}
/**
* 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 CarbonInterval|DateInterval|mixed $interval1
* @param 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 CarbonInterval|DateInterval|mixed $interval1
* @param 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);
}
/**
* Round the current instance at the given unit with given precision if specified and the given function.
*
* @param string $unit
* @param float|int|string|DateInterval|null $precision
* @param string $function
*
* @throws Exception
*
* @return $this
*/
public function roundUnit($unit, $precision = 1, $function = 'round')
{
$base = CarbonImmutable::parse('2000-01-01 00:00:00', 'UTC')
->roundUnit($unit, $precision, $function);
$next = $base->add($this);
$inverted = $next < $base;
if ($inverted) {
$next = $base->sub($this);
}
$this->copyProperties(
$next
->roundUnit($unit, $precision, $function)
->diffAsCarbonInterval($base)
);
return $this->invert($inverted);
}
/**
* Truncate the current instance at the given unit with given precision if specified.
*
* @param string $unit
* @param float|int|string|DateInterval|null $precision
*
* @throws Exception
*
* @return $this
*/
public function floorUnit($unit, $precision = 1)
{
return $this->roundUnit($unit, $precision, 'floor');
}
/**
* Ceil the current instance at the given unit with given precision if specified.
*
* @param string $unit
* @param float|int|string|DateInterval|null $precision
*
* @throws Exception
*
* @return $this
*/
public function ceilUnit($unit, $precision = 1)
{
return $this->roundUnit($unit, $precision, 'ceil');
}
/**
* Round the current instance second with given precision if specified.
*
* @param float|int|string|DateInterval|null $precision
* @param string $function
*
* @throws Exception
*
* @return $this
*/
public function round($precision = 1, $function = 'round')
{
return $this->roundWith($precision, $function);
}
/**
* Round the current instance second with given precision if specified.
*
* @param float|int|string|DateInterval|null $precision
*
* @throws Exception
*
* @return $this
*/
public function floor($precision = 1)
{
return $this->round($precision, 'floor');
}
/**
* Ceil the current instance second with given precision if specified.
*
* @param float|int|string|DateInterval|null $precision
*
* @throws Exception
*
* @return $this
*/
public function ceil($precision = 1)
{
return $this->round($precision, 'ceil');
}
private function needsDeclension(string $mode, int $index, int $parts): bool
{
switch ($mode) {
case 'last':
return $index === $parts - 1;
default:
return true;
}
}
}