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<?php
/**
* This file is part of the Carbon package.
*
* (c) Brian Nesbitt <brian@nesbot.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Carbon;
use Carbon\Exceptions\InvalidCastException;
use Carbon\Exceptions\InvalidIntervalException;
use Carbon\Exceptions\InvalidPeriodDateException;
use Carbon\Exceptions\InvalidPeriodParameterException;
use Carbon\Exceptions\NotACarbonClassException;
use Carbon\Exceptions\NotAPeriodException;
use Carbon\Exceptions\UnknownGetterException;
use Carbon\Exceptions\UnknownMethodException;
use Carbon\Exceptions\UnreachableException;
use Carbon\Traits\IntervalRounding;
use Carbon\Traits\Mixin;
use Carbon\Traits\Options;
use Closure;
use Countable;
use DateInterval;
use DatePeriod;
use DateTime;
use DateTimeInterface;
use InvalidArgumentException;
use Iterator;
use JsonSerializable;
use ReflectionException;
use RuntimeException;
/**
* Substitution of DatePeriod with some modifications and many more features.
*
* @property-read int $recurrences number of recurrences (if end not set).
* @property-read bool $include_start_date rather the start date is included in the iteration.
* @property-read bool $include_end_date rather the end date is included in the iteration (if recurrences not set).
* @property-read CarbonInterface $start Period start date.
* @property-read CarbonInterface $current Current date from the iteration.
* @property-read CarbonInterface $end Period end date.
* @property-read CarbonInterval $interval Underlying date interval instance. Always present, one day by default.
*
* @method static CarbonPeriod start($date, $inclusive = null) Create instance specifying start date or modify the start date if called on an instance.
* @method static CarbonPeriod since($date, $inclusive = null) Alias for start().
* @method static CarbonPeriod sinceNow($inclusive = null) Create instance with start date set to now or set the start date to now if called on an instance.
* @method static CarbonPeriod end($date = null, $inclusive = null) Create instance specifying end date or modify the end date if called on an instance.
* @method static CarbonPeriod until($date = null, $inclusive = null) Alias for end().
* @method static CarbonPeriod untilNow($inclusive = null) Create instance with end date set to now or set the end date to now if called on an instance.
* @method static CarbonPeriod dates($start, $end = null) Create instance with start and end dates or modify the start and end dates if called on an instance.
* @method static CarbonPeriod between($start, $end = null) Create instance with start and end dates or modify the start and end dates if called on an instance.
* @method static CarbonPeriod recurrences($recurrences = null) Create instance with maximum number of recurrences or modify the number of recurrences if called on an instance.
* @method static CarbonPeriod times($recurrences = null) Alias for recurrences().
* @method static CarbonPeriod options($options = null) Create instance with options or modify the options if called on an instance.
* @method static CarbonPeriod toggle($options, $state = null) Create instance with options toggled on or off, or toggle options if called on an instance.
* @method static CarbonPeriod filter($callback, $name = null) Create instance with filter added to the stack or append a filter if called on an instance.
* @method static CarbonPeriod push($callback, $name = null) Alias for filter().
* @method static CarbonPeriod prepend($callback, $name = null) Create instance with filter prepended to the stack or prepend a filter if called on an instance.
* @method static CarbonPeriod filters(array $filters = []) Create instance with filters stack or replace the whole filters stack if called on an instance.
* @method static CarbonPeriod interval($interval) Create instance with given date interval or modify the interval if called on an instance.
* @method static CarbonPeriod each($interval) Create instance with given date interval or modify the interval if called on an instance.
* @method static CarbonPeriod every($interval) Create instance with given date interval or modify the interval if called on an instance.
* @method static CarbonPeriod step($interval) Create instance with given date interval or modify the interval if called on an instance.
* @method static CarbonPeriod stepBy($interval) Create instance with given date interval or modify the interval if called on an instance.
* @method static CarbonPeriod invert() Create instance with inverted date interval or invert the interval if called on an instance.
* @method static CarbonPeriod years($years = 1) Create instance specifying a number of years for date interval or replace the interval by the given a number of years if called on an instance.
* @method static CarbonPeriod year($years = 1) Alias for years().
* @method static CarbonPeriod months($months = 1) Create instance specifying a number of months for date interval or replace the interval by the given a number of months if called on an instance.
* @method static CarbonPeriod month($months = 1) Alias for months().
* @method static CarbonPeriod weeks($weeks = 1) Create instance specifying a number of weeks for date interval or replace the interval by the given a number of weeks if called on an instance.
* @method static CarbonPeriod week($weeks = 1) Alias for weeks().
* @method static CarbonPeriod days($days = 1) Create instance specifying a number of days for date interval or replace the interval by the given a number of days if called on an instance.
* @method static CarbonPeriod dayz($days = 1) Alias for days().
* @method static CarbonPeriod day($days = 1) Alias for days().
* @method static CarbonPeriod hours($hours = 1) Create instance specifying a number of hours for date interval or replace the interval by the given a number of hours if called on an instance.
* @method static CarbonPeriod hour($hours = 1) Alias for hours().
* @method static CarbonPeriod minutes($minutes = 1) Create instance specifying a number of minutes for date interval or replace the interval by the given a number of minutes if called on an instance.
* @method static CarbonPeriod minute($minutes = 1) Alias for minutes().
* @method static CarbonPeriod seconds($seconds = 1) Create instance specifying a number of seconds for date interval or replace the interval by the given a number of seconds if called on an instance.
* @method static CarbonPeriod second($seconds = 1) Alias for seconds().
* @method $this roundYear(float $precision = 1, string $function = "round") Round the current instance year with given precision using the given function.
* @method $this roundYears(float $precision = 1, string $function = "round") Round the current instance year with given precision using the given function.
* @method $this floorYear(float $precision = 1) Truncate the current instance year with given precision.
* @method $this floorYears(float $precision = 1) Truncate the current instance year with given precision.
* @method $this ceilYear(float $precision = 1) Ceil the current instance year with given precision.
* @method $this ceilYears(float $precision = 1) Ceil the current instance year with given precision.
* @method $this roundMonth(float $precision = 1, string $function = "round") Round the current instance month with given precision using the given function.
* @method $this roundMonths(float $precision = 1, string $function = "round") Round the current instance month with given precision using the given function.
* @method $this floorMonth(float $precision = 1) Truncate the current instance month with given precision.
* @method $this floorMonths(float $precision = 1) Truncate the current instance month with given precision.
* @method $this ceilMonth(float $precision = 1) Ceil the current instance month with given precision.
* @method $this ceilMonths(float $precision = 1) Ceil the current instance month with given precision.
* @method $this roundWeek(float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this roundWeeks(float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this floorWeek(float $precision = 1) Truncate the current instance day with given precision.
* @method $this floorWeeks(float $precision = 1) Truncate the current instance day with given precision.
* @method $this ceilWeek(float $precision = 1) Ceil the current instance day with given precision.
* @method $this ceilWeeks(float $precision = 1) Ceil the current instance day with given precision.
* @method $this roundDay(float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this roundDays(float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
* @method $this floorDay(float $precision = 1) Truncate the current instance day with given precision.
* @method $this floorDays(float $precision = 1) Truncate the current instance day with given precision.
* @method $this ceilDay(float $precision = 1) Ceil the current instance day with given precision.
* @method $this ceilDays(float $precision = 1) Ceil the current instance day with given precision.
* @method $this roundHour(float $precision = 1, string $function = "round") Round the current instance hour with given precision using the given function.
* @method $this roundHours(float $precision = 1, string $function = "round") Round the current instance hour with given precision using the given function.
* @method $this floorHour(float $precision = 1) Truncate the current instance hour with given precision.
* @method $this floorHours(float $precision = 1) Truncate the current instance hour with given precision.
* @method $this ceilHour(float $precision = 1) Ceil the current instance hour with given precision.
* @method $this ceilHours(float $precision = 1) Ceil the current instance hour with given precision.
* @method $this roundMinute(float $precision = 1, string $function = "round") Round the current instance minute with given precision using the given function.
* @method $this roundMinutes(float $precision = 1, string $function = "round") Round the current instance minute with given precision using the given function.
* @method $this floorMinute(float $precision = 1) Truncate the current instance minute with given precision.
* @method $this floorMinutes(float $precision = 1) Truncate the current instance minute with given precision.
* @method $this ceilMinute(float $precision = 1) Ceil the current instance minute with given precision.
* @method $this ceilMinutes(float $precision = 1) Ceil the current instance minute with given precision.
* @method $this roundSecond(float $precision = 1, string $function = "round") Round the current instance second with given precision using the given function.
* @method $this roundSeconds(float $precision = 1, string $function = "round") Round the current instance second with given precision using the given function.
* @method $this floorSecond(float $precision = 1) Truncate the current instance second with given precision.
* @method $this floorSeconds(float $precision = 1) Truncate the current instance second with given precision.
* @method $this ceilSecond(float $precision = 1) Ceil the current instance second with given precision.
* @method $this ceilSeconds(float $precision = 1) Ceil the current instance second with given precision.
* @method $this roundMillennium(float $precision = 1, string $function = "round") Round the current instance millennium with given precision using the given function.
* @method $this roundMillennia(float $precision = 1, string $function = "round") Round the current instance millennium with given precision using the given function.
* @method $this floorMillennium(float $precision = 1) Truncate the current instance millennium with given precision.
* @method $this floorMillennia(float $precision = 1) Truncate the current instance millennium with given precision.
* @method $this ceilMillennium(float $precision = 1) Ceil the current instance millennium with given precision.
* @method $this ceilMillennia(float $precision = 1) Ceil the current instance millennium with given precision.
* @method $this roundCentury(float $precision = 1, string $function = "round") Round the current instance century with given precision using the given function.
* @method $this roundCenturies(float $precision = 1, string $function = "round") Round the current instance century with given precision using the given function.
* @method $this floorCentury(float $precision = 1) Truncate the current instance century with given precision.
* @method $this floorCenturies(float $precision = 1) Truncate the current instance century with given precision.
* @method $this ceilCentury(float $precision = 1) Ceil the current instance century with given precision.
* @method $this ceilCenturies(float $precision = 1) Ceil the current instance century with given precision.
* @method $this roundDecade(float $precision = 1, string $function = "round") Round the current instance decade with given precision using the given function.
* @method $this roundDecades(float $precision = 1, string $function = "round") Round the current instance decade with given precision using the given function.
* @method $this floorDecade(float $precision = 1) Truncate the current instance decade with given precision.
* @method $this floorDecades(float $precision = 1) Truncate the current instance decade with given precision.
* @method $this ceilDecade(float $precision = 1) Ceil the current instance decade with given precision.
* @method $this ceilDecades(float $precision = 1) Ceil the current instance decade with given precision.
* @method $this roundQuarter(float $precision = 1, string $function = "round") Round the current instance quarter with given precision using the given function.
* @method $this roundQuarters(float $precision = 1, string $function = "round") Round the current instance quarter with given precision using the given function.
* @method $this floorQuarter(float $precision = 1) Truncate the current instance quarter with given precision.
* @method $this floorQuarters(float $precision = 1) Truncate the current instance quarter with given precision.
* @method $this ceilQuarter(float $precision = 1) Ceil the current instance quarter with given precision.
* @method $this ceilQuarters(float $precision = 1) Ceil the current instance quarter with given precision.
* @method $this roundMillisecond(float $precision = 1, string $function = "round") Round the current instance millisecond with given precision using the given function.
* @method $this roundMilliseconds(float $precision = 1, string $function = "round") Round the current instance millisecond with given precision using the given function.
* @method $this floorMillisecond(float $precision = 1) Truncate the current instance millisecond with given precision.
* @method $this floorMilliseconds(float $precision = 1) Truncate the current instance millisecond with given precision.
* @method $this ceilMillisecond(float $precision = 1) Ceil the current instance millisecond with given precision.
* @method $this ceilMilliseconds(float $precision = 1) Ceil the current instance millisecond with given precision.
* @method $this roundMicrosecond(float $precision = 1, string $function = "round") Round the current instance microsecond with given precision using the given function.
* @method $this roundMicroseconds(float $precision = 1, string $function = "round") Round the current instance microsecond with given precision using the given function.
* @method $this floorMicrosecond(float $precision = 1) Truncate the current instance microsecond with given precision.
* @method $this floorMicroseconds(float $precision = 1) Truncate the current instance microsecond with given precision.
* @method $this ceilMicrosecond(float $precision = 1) Ceil the current instance microsecond with given precision.
* @method $this ceilMicroseconds(float $precision = 1) Ceil the current instance microsecond with given precision.
*/
class CarbonPeriod implements Iterator, Countable, JsonSerializable
{
use IntervalRounding;
use Mixin {
Mixin::mixin as baseMixin;
}
use Options;
/**
* Built-in filters.
*
* @var string
*/
public const RECURRENCES_FILTER = [self::class, 'filterRecurrences'];
public const END_DATE_FILTER = [self::class, 'filterEndDate'];
/**
* Special value which can be returned by filters to end iteration. Also a filter.
*
* @var string
*/
public const END_ITERATION = [self::class, 'endIteration'];
/**
* Exclude start date from iteration.
*
* @var int
*/
public const EXCLUDE_START_DATE = 1;
/**
* Exclude end date from iteration.
*
* @var int
*/
public const EXCLUDE_END_DATE = 2;
/**
* Yield CarbonImmutable instances.
*
* @var int
*/
public const IMMUTABLE = 4;
/**
* Number of maximum attempts before giving up on finding next valid date.
*
* @var int
*/
public const NEXT_MAX_ATTEMPTS = 1000;
/**
* The registered macros.
*
* @var array
*/
protected static $macros = [];
/**
* Date class of iteration items.
*
* @var string
*/
protected $dateClass = Carbon::class;
/**
* Underlying date interval instance. Always present, one day by default.
*
* @var CarbonInterval
*/
protected $dateInterval;
/**
* Whether current date interval was set by default.
*
* @var bool
*/
protected $isDefaultInterval;
/**
* The filters stack.
*
* @var array
*/
protected $filters = [];
/**
* Period start date. Applied on rewind. Always present, now by default.
*
* @var CarbonInterface
*/
protected $startDate;
/**
* Period end date. For inverted interval should be before the start date. Applied via a filter.
*
* @var CarbonInterface|null
*/
protected $endDate;
/**
* Limit for number of recurrences. Applied via a filter.
*
* @var int|null
*/
protected $recurrences;
/**
* Iteration options.
*
* @var int
*/
protected $options;
/**
* Index of current date. Always sequential, even if some dates are skipped by filters.
* Equal to null only before the first iteration.
*
* @var int
*/
protected $key;
/**
* Current date. May temporarily hold unaccepted value when looking for a next valid date.
* Equal to null only before the first iteration.
*
* @var CarbonInterface
*/
protected $current;
/**
* Timezone of current date. Taken from the start date.
*
* @var \DateTimeZone|null
*/
protected $timezone;
/**
* The cached validation result for current date.
*
* @var bool|string|null
*/
protected $validationResult;
/**
* Timezone handler for settings() method.
*
* @var mixed
*/
protected $tzName;
/**
* Make a CarbonPeriod instance from given variable if possible.
*
* @param mixed $var
*
* @return static|null
*/
public static function make($var)
{
try {
return static::instance($var);
} catch (NotAPeriodException $e) {
return static::create($var);
}
}
/**
* Create a new instance from a DatePeriod or CarbonPeriod object.
*
* @param CarbonPeriod|DatePeriod $period
*
* @return static
*/
public static function instance($period)
{
if ($period instanceof static) {
return $period->copy();
}
if ($period instanceof self) {
return new static(
$period->getStartDate(),
$period->getEndDate() ?: $period->getRecurrences(),
$period->getDateInterval(),
$period->getOptions()
);
}
if ($period instanceof DatePeriod) {
return new static(
$period->start,
$period->end ?: ($period->recurrences - 1),
$period->interval,
$period->include_start_date ? 0 : static::EXCLUDE_START_DATE
);
}
$class = \get_called_class();
$type = \gettype($period);
throw new NotAPeriodException(
'Argument 1 passed to '.$class.'::'.__METHOD__.'() '.
'must be an instance of DatePeriod or '.$class.', '.
($type === 'object' ? 'instance of '.\get_class($period) : $type).' given.'
);
}
/**
* Create a new instance.
*
* @return static
*/
public static function create(...$params)
{
return static::createFromArray($params);
}
/**
* Create a new instance from an array of parameters.
*
* @param array $params
*
* @return static
*/
public static function createFromArray(array $params)
{
return new static(...$params);
}
/**
* Create CarbonPeriod from ISO 8601 string.
*
* @param string $iso
* @param int|null $options
*
* @return static
*/
public static function createFromIso($iso, $options = null)
{
$params = static::parseIso8601($iso);
$instance = static::createFromArray($params);
if ($options !== null) {
$instance->setOptions($options);
}
return $instance;
}
/**
* Return whether given interval contains non zero value of any time unit.
*
* @param \DateInterval $interval
*
* @return bool
*/
protected static function intervalHasTime(DateInterval $interval)
{
return $interval->h || $interval->i || $interval->s || $interval->f;
}
/**
* Return whether given variable is an ISO 8601 specification.
*
* Note: Check is very basic, as actual validation will be done later when parsing.
* We just want to ensure that variable is not any other type of a valid parameter.
*
* @param mixed $var
*
* @return bool
*/
protected static function isIso8601($var)
{
if (!\is_string($var)) {
return false;
}
// Match slash but not within a timezone name.
$part = '[a-z]+(?:[_-][a-z]+)*';
preg_match("#\b$part/$part\b|(/)#i", $var, $match);
return isset($match[1]);
}
/**
* Parse given ISO 8601 string into an array of arguments.
*
* @SuppressWarnings(PHPMD.ElseExpression)
*
* @param string $iso
*
* @return array
*/
protected static function parseIso8601($iso)
{
$result = [];
$interval = null;
$start = null;
$end = null;
foreach (explode('/', $iso) as $key => $part) {
if ($key === 0 && preg_match('/^R([0-9]*)$/', $part, $match)) {
$parsed = \strlen($match[1]) ? (int) $match[1] : null;
} elseif ($interval === null && $parsed = CarbonInterval::make($part)) {
$interval = $part;
} elseif ($start === null && $parsed = Carbon::make($part)) {
$start = $part;
} elseif ($end === null && $parsed = Carbon::make(static::addMissingParts($start, $part))) {
$end = $part;
} else {
throw new InvalidPeriodParameterException("Invalid ISO 8601 specification: $iso.");
}
$result[] = $parsed;
}
return $result;
}
/**
* Add missing parts of the target date from the soure date.
*
* @param string $source
* @param string $target
*
* @return string
*/
protected static function addMissingParts($source, $target)
{
$pattern = '/'.preg_replace('/[0-9]+/', '[0-9]+', preg_quote($target, '/')).'$/';
$result = preg_replace($pattern, $target, $source, 1, $count);
return $count ? $result : $target;
}
/**
* Register a custom macro.
*
* @example
* ```
* CarbonPeriod::macro('middle', function () {
* return $this->getStartDate()->average($this->getEndDate());
* });
* echo CarbonPeriod::since('2011-05-12')->until('2011-06-03')->middle();
* ```
*
* @param string $name
* @param object|callable $macro
*
* @return void
*/
public static function macro($name, $macro)
{
static::$macros[$name] = $macro;
}
/**
* Register macros from a mixin object.
*
* @example
* ```
* CarbonPeriod::mixin(new class {
* public function addDays() {
* return function ($count = 1) {
* return $this->setStartDate(
* $this->getStartDate()->addDays($count)
* )->setEndDate(
* $this->getEndDate()->addDays($count)
* );
* };
* }
* public function subDays() {
* return function ($count = 1) {
* return $this->setStartDate(
* $this->getStartDate()->subDays($count)
* )->setEndDate(
* $this->getEndDate()->subDays($count)
* );
* };
* }
* });
* echo CarbonPeriod::create('2000-01-01', '2000-02-01')->addDays(5)->subDays(3);
* ```
*
* @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]);
}
/**
* Provide static proxy for instance aliases.
*
* @param string $method
* @param array $parameters
*
* @return mixed
*/
public static function __callStatic($method, $parameters)
{
$date = new static();
if (static::hasMacro($method)) {
return static::bindMacroContext(null, function () use (&$method, &$parameters, &$date) {
return $date->callMacro($method, $parameters);
});
}
return $date->$method(...$parameters);
}
/**
* CarbonPeriod constructor.
*
* @SuppressWarnings(PHPMD.ElseExpression)
*
* @throws InvalidArgumentException
*/
public function __construct(...$arguments)
{
// Parse and assign arguments one by one. First argument may be an ISO 8601 spec,
// which will be first parsed into parts and then processed the same way.
$argumentsCount = \count($arguments);
if ($argumentsCount && static::isIso8601($iso = $arguments[0])) {
array_splice($arguments, 0, 1, static::parseIso8601($iso));
}
if ($argumentsCount === 1) {
if ($arguments[0] instanceof DatePeriod) {
$arguments = [
$arguments[0]->start,
$arguments[0]->end ?: ($arguments[0]->recurrences - 1),
$arguments[0]->interval,
$arguments[0]->include_start_date ? 0 : static::EXCLUDE_START_DATE,
];
} elseif ($arguments[0] instanceof self) {
$arguments = [
$arguments[0]->getStartDate(),
$arguments[0]->getEndDate() ?: $arguments[0]->getRecurrences(),
$arguments[0]->getDateInterval(),
$arguments[0]->getOptions(),
];
}
}
foreach ($arguments as $argument) {
if ($this->dateInterval === null &&
(
\is_string($argument) && preg_match(
'/^(\d(\d(?![\/-])|[^\d\/-]([\/-])?)*|P[T0-9].*|(?:\h*\d+(?:\.\d+)?\h*[a-z]+)+)$/i',
$argument
) ||
$argument instanceof DateInterval ||
$argument instanceof Closure
) &&
$parsed = @CarbonInterval::make($argument)
) {
$this->setDateInterval($parsed);
} elseif ($this->startDate === null && $parsed = Carbon::make($argument)) {
$this->setStartDate($parsed);
} elseif ($this->endDate === null && $parsed = Carbon::make($argument)) {
$this->setEndDate($parsed);
} elseif ($this->recurrences === null && $this->endDate === null && is_numeric($argument)) {
$this->setRecurrences($argument);
} elseif ($this->options === null && (\is_int($argument) || $argument === null)) {
$this->setOptions($argument);
} else {
throw new InvalidPeriodParameterException('Invalid constructor parameters.');
}
}
if ($this->startDate === null) {
$this->setStartDate(Carbon::now());
}
if ($this->dateInterval === null) {
$this->setDateInterval(CarbonInterval::day());
$this->isDefaultInterval = true;
}
if ($this->options === null) {
$this->setOptions(0);
}
}
/**
* Get a copy of the instance.
*
* @return static
*/
public function copy()
{
return clone $this;
}
/**
* Get the getter for a property allowing both `DatePeriod` snakeCase and camelCase names.
*
* @param string $name
*
* @return callable|null
*/
protected function getGetter(string $name)
{
switch (strtolower(preg_replace('/[A-Z]/', '_$0', $name))) {
case 'start':
case 'start_date':
return [$this, 'getStartDate'];
case 'end':
case 'end_date':
return [$this, 'getEndDate'];
case 'interval':
case 'date_interval':
return [$this, 'getDateInterval'];
case 'recurrences':
return [$this, 'getRecurrences'];
case 'include_start_date':
return [$this, 'isStartIncluded'];
case 'include_end_date':
return [$this, 'isEndIncluded'];
case 'current':
return [$this, 'current'];
default:
return null;
}
}
/**
* Get a property allowing both `DatePeriod` snakeCase and camelCase names.
*
* @param string $name
*
* @return bool|CarbonInterface|CarbonInterval|int|null
*/
public function get(string $name)
{
$getter = $this->getGetter($name);
if ($getter) {
return $getter();
}
throw new UnknownGetterException($name);
}
/**
* Get a property allowing both `DatePeriod` snakeCase and camelCase names.
*
* @param string $name
*
* @return bool|CarbonInterface|CarbonInterval|int|null
*/
public function __get(string $name)
{
return $this->get($name);
}
/**
* Check if an attribute exists on the object
*
* @param string $name
*
* @return bool
*/
public function __isset(string $name): bool
{
return $this->getGetter($name) !== null;
}
/**
* @alias copy
*
* Get a copy of the instance.
*
* @return static
*/
public function clone()
{
return clone $this;
}
/**
* Set the iteration item class.
*
* @param string $dateClass
*
* @return $this
*/
public function setDateClass(string $dateClass)
{
if (!is_a($dateClass, CarbonInterface::class, true)) {
throw new NotACarbonClassException($dateClass);
}
$this->dateClass = $dateClass;
if (is_a($dateClass, Carbon::class, true)) {
$this->toggleOptions(static::IMMUTABLE, false);
} elseif (is_a($dateClass, CarbonImmutable::class, true)) {
$this->toggleOptions(static::IMMUTABLE, true);
}
return $this;
}
/**
* Returns iteration item date class.
*
* @return string
*/
public function getDateClass(): string
{
return $this->dateClass;
}
/**
* Change the period date interval.
*
* @param DateInterval|string $interval
*
* @throws InvalidIntervalException
*
* @return $this
*/
public function setDateInterval($interval)
{
if (!$interval = CarbonInterval::make($interval)) {
throw new InvalidIntervalException('Invalid interval.');
}
if ($interval->spec() === 'PT0S' && !$interval->f && !$interval->getStep()) {
throw new InvalidIntervalException('Empty interval is not accepted.');
}
$this->dateInterval = $interval;
$this->isDefaultInterval = false;
$this->handleChangedParameters();
return $this;
}
/**
* Invert the period date interval.
*
* @return $this
*/
public function invertDateInterval()
{
$interval = $this->dateInterval->invert();
return $this->setDateInterval($interval);
}
/**
* Set start and end date.
*
* @param DateTime|DateTimeInterface|string $start
* @param DateTime|DateTimeInterface|string|null $end
*
* @return $this
*/
public function setDates($start, $end)
{
$this->setStartDate($start);
$this->setEndDate($end);
return $this;
}
/**
* Change the period options.
*
* @param int|null $options
*
* @throws InvalidArgumentException
*
* @return $this
*/
public function setOptions($options)
{
if (!\is_int($options) && !\is_null($options)) {
throw new InvalidPeriodParameterException('Invalid options.');
}
$this->options = $options ?: 0;
$this->handleChangedParameters();
return $this;
}
/**
* Get the period options.
*
* @return int
*/
public function getOptions()
{
return $this->options;
}
/**
* Toggle given options on or off.
*
* @param int $options
* @param bool|null $state
*
* @throws \InvalidArgumentException
*
* @return $this
*/
public function toggleOptions($options, $state = null)
{
if ($state === null) {
$state = ($this->options & $options) !== $options;
}
return $this->setOptions(
$state ?
$this->options | $options :
$this->options & ~$options
);
}
/**
* Toggle EXCLUDE_START_DATE option.
*
* @param bool $state
*
* @return $this
*/
public function excludeStartDate($state = true)
{
return $this->toggleOptions(static::EXCLUDE_START_DATE, $state);
}
/**
* Toggle EXCLUDE_END_DATE option.
*
* @param bool $state
*
* @return $this
*/
public function excludeEndDate($state = true)
{
return $this->toggleOptions(static::EXCLUDE_END_DATE, $state);
}
/**
* Get the underlying date interval.
*
* @return CarbonInterval
*/
public function getDateInterval()
{
return $this->dateInterval->copy();
}
/**
* Get start date of the period.
*
* @param string|null $rounding Optional rounding 'floor', 'ceil', 'round' using the period interval.
*
* @return CarbonInterface
*/
public function getStartDate(string $rounding = null)
{
$date = $this->startDate->copy();
return $rounding ? $date->round($this->getDateInterval(), $rounding) : $date;
}
/**
* Get end date of the period.
*
* @param string|null $rounding Optional rounding 'floor', 'ceil', 'round' using the period interval.
*
* @return CarbonInterface|null
*/
public function getEndDate(string $rounding = null)
{
if (!$this->endDate) {
return null;
}
$date = $this->endDate->copy();
return $rounding ? $date->round($this->getDateInterval(), $rounding) : $date;
}
/**
* Get number of recurrences.
*
* @return int|null
*/
public function getRecurrences()
{
return $this->recurrences;
}
/**
* Returns true if the start date should be excluded.
*
* @return bool
*/
public function isStartExcluded()
{
return ($this->options & static::EXCLUDE_START_DATE) !== 0;
}
/**
* Returns true if the end date should be excluded.
*
* @return bool
*/
public function isEndExcluded()
{
return ($this->options & static::EXCLUDE_END_DATE) !== 0;
}
/**
* Returns true if the start date should be included.
*
* @return bool
*/
public function isStartIncluded()
{
return !$this->isStartExcluded();
}
/**
* Returns true if the end date should be included.
*
* @return bool
*/
public function isEndIncluded()
{
return !$this->isEndExcluded();
}
/**
* Return the start if it's included by option, else return the start + 1 period interval.
*
* @return CarbonInterface
*/
public function getIncludedStartDate()
{
$start = $this->getStartDate();
if ($this->isStartExcluded()) {
return $start->add($this->getDateInterval());
}
return $start;
}
/**
* Return the end if it's included by option, else return the end - 1 period interval.
* Warning: if the period has no fixed end, this method will iterate the period to calculate it.
*
* @return CarbonInterface
*/
public function getIncludedEndDate()
{
$end = $this->getEndDate();
if (!$end) {
return $this->calculateEnd();
}
if ($this->isEndExcluded()) {
return $end->sub($this->getDateInterval());
}
return $end;
}
/**
* Add a filter to the stack.
*
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @param callable $callback
* @param string $name
*
* @return $this
*/
public function addFilter($callback, $name = null)
{
$tuple = $this->createFilterTuple(\func_get_args());
$this->filters[] = $tuple;
$this->handleChangedParameters();
return $this;
}
/**
* Prepend a filter to the stack.
*
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @param callable $callback
* @param string $name
*
* @return $this
*/
public function prependFilter($callback, $name = null)
{
$tuple = $this->createFilterTuple(\func_get_args());
array_unshift($this->filters, $tuple);
$this->handleChangedParameters();
return $this;
}
/**
* Remove a filter by instance or name.
*
* @param callable|string $filter
*
* @return $this
*/
public function removeFilter($filter)
{
$key = \is_callable($filter) ? 0 : 1;
$this->filters = array_values(array_filter(
$this->filters,
function ($tuple) use ($key, $filter) {
return $tuple[$key] !== $filter;
}
));
$this->updateInternalState();
$this->handleChangedParameters();
return $this;
}
/**
* Return whether given instance or name is in the filter stack.
*
* @param callable|string $filter
*
* @return bool
*/
public function hasFilter($filter)
{
$key = \is_callable($filter) ? 0 : 1;
foreach ($this->filters as $tuple) {
if ($tuple[$key] === $filter) {
return true;
}
}
return false;
}
/**
* Get filters stack.
*
* @return array
*/
public function getFilters()
{
return $this->filters;
}
/**
* Set filters stack.
*
* @param array $filters
*
* @return $this
*/
public function setFilters(array $filters)
{
$this->filters = $filters;
$this->updateInternalState();
$this->handleChangedParameters();
return $this;
}
/**
* Reset filters stack.
*
* @return $this
*/
public function resetFilters()
{
$this->filters = [];
if ($this->endDate !== null) {
$this->filters[] = [static::END_DATE_FILTER, null];
}
if ($this->recurrences !== null) {
$this->filters[] = [static::RECURRENCES_FILTER, null];
}
$this->handleChangedParameters();
return $this;
}
/**
* Add a recurrences filter (set maximum number of recurrences).
*
* @param int|null $recurrences
*
* @throws \InvalidArgumentException
*
* @return $this
*/
public function setRecurrences($recurrences)
{
if (!is_numeric($recurrences) && !\is_null($recurrences) || $recurrences < 0) {
throw new InvalidPeriodParameterException('Invalid number of recurrences.');
}
if ($recurrences === null) {
return $this->removeFilter(static::RECURRENCES_FILTER);
}
$this->recurrences = (int) $recurrences;
if (!$this->hasFilter(static::RECURRENCES_FILTER)) {
return $this->addFilter(static::RECURRENCES_FILTER);
}
$this->handleChangedParameters();
return $this;
}
/**
* Change the period start date.
*
* @param DateTime|DateTimeInterface|string $date
* @param bool|null $inclusive
*
* @throws InvalidPeriodDateException
*
* @return $this
*/
public function setStartDate($date, $inclusive = null)
{
if (!$date = ([$this->dateClass, 'make'])($date)) {
throw new InvalidPeriodDateException('Invalid start date.');
}
$this->startDate = $date;
if ($inclusive !== null) {
$this->toggleOptions(static::EXCLUDE_START_DATE, !$inclusive);
}
return $this;
}
/**
* Change the period end date.
*
* @param DateTime|DateTimeInterface|string|null $date
* @param bool|null $inclusive
*
* @throws \InvalidArgumentException
*
* @return $this
*/
public function setEndDate($date, $inclusive = null)
{
if (!\is_null($date) && !$date = ([$this->dateClass, 'make'])($date)) {
throw new InvalidPeriodDateException('Invalid end date.');
}
if (!$date) {
return $this->removeFilter(static::END_DATE_FILTER);
}
$this->endDate = $date;
if ($inclusive !== null) {
$this->toggleOptions(static::EXCLUDE_END_DATE, !$inclusive);
}
if (!$this->hasFilter(static::END_DATE_FILTER)) {
return $this->addFilter(static::END_DATE_FILTER);
}
$this->handleChangedParameters();
return $this;
}
/**
* Check if the current position is valid.
*
* @return bool
*/
public function valid()
{
return $this->validateCurrentDate() === true;
}
/**
* Return the current key.
*
* @return int|null
*/
public function key()
{
return $this->valid()
? $this->key
: null;
}
/**
* Return the current date.
*
* @return CarbonInterface|null
*/
public function current()
{
return $this->valid()
? $this->prepareForReturn($this->current)
: null;
}
/**
* Move forward to the next date.
*
* @throws RuntimeException
*
* @return void
*/
public function next()
{
if ($this->current === null) {
$this->rewind();
}
if ($this->validationResult !== static::END_ITERATION) {
$this->key++;
$this->incrementCurrentDateUntilValid();
}
}
/**
* Rewind to the start date.
*
* Iterating over a date in the UTC timezone avoids bug during backward DST change.
*
* @see https://bugs.php.net/bug.php?id=72255
* @see https://bugs.php.net/bug.php?id=74274
* @see https://wiki.php.net/rfc/datetime_and_daylight_saving_time
*
* @throws RuntimeException
*
* @return void
*/
public function rewind()
{
$this->key = 0;
$this->current = ([$this->dateClass, 'make'])($this->startDate);
$settings = $this->getSettings();
if ($this->hasLocalTranslator()) {
$settings['locale'] = $this->getTranslatorLocale();
}
$this->current->settings($settings);
$this->timezone = static::intervalHasTime($this->dateInterval) ? $this->current->getTimezone() : null;
if ($this->timezone) {
$this->current = $this->current->utc();
}
$this->validationResult = null;
if ($this->isStartExcluded() || $this->validateCurrentDate() === false) {
$this->incrementCurrentDateUntilValid();
}
}
/**
* Skip iterations and returns iteration state (false if ended, true if still valid).
*
* @param int $count steps number to skip (1 by default)
*
* @return bool
*/
public function skip($count = 1)
{
for ($i = $count; $this->valid() && $i > 0; $i--) {
$this->next();
}
return $this->valid();
}
/**
* Format the date period as ISO 8601.
*
* @return string
*/
public function toIso8601String()
{
$parts = [];
if ($this->recurrences !== null) {
$parts[] = 'R'.$this->recurrences;
}
$parts[] = $this->startDate->toIso8601String();
$parts[] = $this->dateInterval->spec();
if ($this->endDate !== null) {
$parts[] = $this->endDate->toIso8601String();
}
return implode('/', $parts);
}
/**
* Convert the date period into a string.
*
* @return string
*/
public function toString()
{
$translator = ([$this->dateClass, 'getTranslator'])();
$parts = [];
$format = !$this->startDate->isStartOfDay() || $this->endDate && !$this->endDate->isStartOfDay()
? 'Y-m-d H:i:s'
: 'Y-m-d';
if ($this->recurrences !== null) {
$parts[] = $this->translate('period_recurrences', [], $this->recurrences, $translator);
}
$parts[] = $this->translate('period_interval', [':interval' => $this->dateInterval->forHumans([
'join' => true,
])], null, $translator);
$parts[] = $this->translate('period_start_date', [':date' => $this->startDate->rawFormat($format)], null, $translator);
if ($this->endDate !== null) {
$parts[] = $this->translate('period_end_date', [':date' => $this->endDate->rawFormat($format)], null, $translator);
}
$result = implode(' ', $parts);
return mb_strtoupper(mb_substr($result, 0, 1)).mb_substr($result, 1);
}
/**
* Format the date period as ISO 8601.
*
* @return string
*/
public function spec()
{
return $this->toIso8601String();
}
/**
* Cast the current instance into the given class.
*
* @param string $className The $className::instance() method will be called to cast the current object.
*
* @return DatePeriod
*/
public function cast(string $className)
{
if (!method_exists($className, 'instance')) {
if (is_a($className, DatePeriod::class, true)) {
return new $className(
$this->getStartDate(),
$this->getDateInterval(),
$this->getEndDate() ? $this->getIncludedEndDate() : $this->getRecurrences(),
$this->isStartExcluded() ? DatePeriod::EXCLUDE_START_DATE : 0
);
}
throw new InvalidCastException("$className has not the instance() method needed to cast the date.");
}
return $className::instance($this);
}
/**
* Return native DatePeriod PHP object matching the current instance.
*
* @example
* ```
* var_dump(CarbonPeriod::create('2021-01-05', '2021-02-15')->toDatePeriod());
* ```
*
* @return DatePeriod
*/
public function toDatePeriod()
{
return $this->cast(DatePeriod::class);
}
/**
* Convert the date period into an array without changing current iteration state.
*
* @return CarbonInterface[]
*/
public function toArray()
{
$state = [
$this->key,
$this->current ? $this->current->copy() : null,
$this->validationResult,
];
$result = iterator_to_array($this);
[$this->key, $this->current, $this->validationResult] = $state;
return $result;
}
/**
* Count dates in the date period.
*
* @return int
*/
public function count()
{
return \count($this->toArray());
}
/**
* Return the first date in the date period.
*
* @return CarbonInterface|null
*/
public function first()
{
return ($this->toArray() ?: [])[0] ?? null;
}
/**
* Return the last date in the date period.
*
* @return CarbonInterface|null
*/
public function last()
{
$array = $this->toArray();
return $array ? $array[\count($array) - 1] : null;
}
/**
* Convert the date period into a string.
*
* @return string
*/
public function __toString()
{
return $this->toString();
}
/**
* Add aliases for setters.
*
* CarbonPeriod::days(3)->hours(5)->invert()
* ->sinceNow()->until('2010-01-10')
* ->filter(...)
* ->count()
*
* Note: We use magic method to let static and instance aliases with the same names.
*
* @param string $method
* @param array $parameters
*
* @return mixed
*/
public function __call($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;
}
$first = \count($parameters) >= 1 ? $parameters[0] : null;
$second = \count($parameters) >= 2 ? $parameters[1] : null;
switch ($method) {
case 'start':
case 'since':
return $this->setStartDate($first, $second);
case 'sinceNow':
return $this->setStartDate(new Carbon, $first);
case 'end':
case 'until':
return $this->setEndDate($first, $second);
case 'untilNow':
return $this->setEndDate(new Carbon, $first);
case 'dates':
case 'between':
return $this->setDates($first, $second);
case 'recurrences':
case 'times':
return $this->setRecurrences($first);
case 'options':
return $this->setOptions($first);
case 'toggle':
return $this->toggleOptions($first, $second);
case 'filter':
case 'push':
return $this->addFilter($first, $second);
case 'prepend':
return $this->prependFilter($first, $second);
case 'filters':
return $this->setFilters($first ?: []);
case 'interval':
case 'each':
case 'every':
case 'step':
case 'stepBy':
return $this->setDateInterval($first);
case 'invert':
return $this->invertDateInterval();
case 'years':
case 'year':
case 'months':
case 'month':
case 'weeks':
case 'week':
case 'days':
case 'dayz':
case 'day':
case 'hours':
case 'hour':
case 'minutes':
case 'minute':
case 'seconds':
case 'second':
return $this->setDateInterval((
// Override default P1D when instantiating via fluent setters.
[$this->isDefaultInterval ? new CarbonInterval('PT0S') : $this->dateInterval, $method]
)(
\count($parameters) === 0 ? 1 : $first
));
}
if ($this->localStrictModeEnabled ?? Carbon::isStrictModeEnabled()) {
throw new UnknownMethodException($method);
}
return $this;
}
/**
* Set the instance's timezone from a string or object and add/subtract the offset difference.
*
* @param \DateTimeZone|string $timezone
*
* @return static
*/
public function shiftTimezone($timezone)
{
$this->tzName = $timezone;
$this->timezone = $timezone;
return $this;
}
/**
* Returns the end is set, else calculated from start an recurrences.
*
* @param string|null $rounding Optional rounding 'floor', 'ceil', 'round' using the period interval.
*
* @return CarbonInterface
*/
public function calculateEnd(string $rounding = null)
{
if ($end = $this->getEndDate($rounding)) {
return $end;
}
$dates = iterator_to_array($this);
$date = end($dates);
if ($date && $rounding) {
$date = $date->copy()->round($this->getDateInterval(), $rounding);
}
return $date;
}
/**
* Returns true if the current period overlaps the given one (if 1 parameter passed)
* or the period between 2 dates (if 2 parameters passed).
*
* @param CarbonPeriod|\DateTimeInterface|Carbon|CarbonImmutable|string $rangeOrRangeStart
* @param \DateTimeInterface|Carbon|CarbonImmutable|string|null $rangeEnd
*
* @return bool
*/
public function overlaps($rangeOrRangeStart, $rangeEnd = null)
{
$range = $rangeEnd ? static::create($rangeOrRangeStart, $rangeEnd) : $rangeOrRangeStart;
if (!($range instanceof self)) {
$range = static::create($range);
}
return $this->calculateEnd() > $range->getStartDate() && $range->calculateEnd() > $this->getStartDate();
}
/**
* Execute a given function on each date of the period.
*
* @example
* ```
* Carbon::create('2020-11-29')->daysUntil('2020-12-24')->forEach(function (Carbon $date) {
* echo $date->diffInDays('2020-12-25')." days before Christmas!\n";
* });
* ```
*
* @param callable $callback
*/
public function forEach(callable $callback)
{
foreach ($this as $date) {
$callback($date);
}
}
/**
* Execute a given function on each date of the period and yield the result of this function.
*
* @example
* ```
* $period = Carbon::create('2020-11-29')->daysUntil('2020-12-24');
* echo implode("\n", iterator_to_array($period->map(function (Carbon $date) {
* return $date->diffInDays('2020-12-25').' days before Christmas!';
* })));
* ```
*
* @param callable $callback
*
* @return \Generator
*/
public function map(callable $callback)
{
foreach ($this as $date) {
yield $callback($date);
}
}
/**
* Determines if the instance is equal to another.
* Warning: if options differ, instances wil never be equal.
*
* @param mixed $period
*
* @see equalTo()
*
* @return bool
*/
public function eq($period): bool
{
return $this->equalTo($period);
}
/**
* Determines if the instance is equal to another.
* Warning: if options differ, instances wil never be equal.
*
* @param mixed $period
*
* @return bool
*/
public function equalTo($period): bool
{
if (!($period instanceof self)) {
$period = self::make($period);
}
$end = $this->getEndDate();
return $period !== null
&& $this->getDateInterval()->eq($period->getDateInterval())
&& $this->getStartDate()->eq($period->getStartDate())
&& ($end ? $end->eq($period->getEndDate()) : $this->getRecurrences() === $period->getRecurrences())
&& ($this->getOptions() & (~static::IMMUTABLE)) === ($period->getOptions() & (~static::IMMUTABLE));
}
/**
* Determines if the instance is not equal to another.
* Warning: if options differ, instances wil never be equal.
*
* @param mixed $period
*
* @see notEqualTo()
*
* @return bool
*/
public function ne($period): bool
{
return $this->notEqualTo($period);
}
/**
* Determines if the instance is not equal to another.
* Warning: if options differ, instances wil never be equal.
*
* @param mixed $period
*
* @return bool
*/
public function notEqualTo($period): bool
{
return !$this->eq($period);
}
/**
* Determines if the start date is before an other given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function startsBefore($date = null): bool
{
return $this->getStartDate()->lessThan($this->resolveCarbon($date));
}
/**
* Determines if the start date is before or the same as a given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function startsBeforeOrAt($date = null): bool
{
return $this->getStartDate()->lessThanOrEqualTo($this->resolveCarbon($date));
}
/**
* Determines if the start date is after an other given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function startsAfter($date = null): bool
{
return $this->getStartDate()->greaterThan($this->resolveCarbon($date));
}
/**
* Determines if the start date is after or the same as a given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function startsAfterOrAt($date = null): bool
{
return $this->getStartDate()->greaterThanOrEqualTo($this->resolveCarbon($date));
}
/**
* Determines if the start date is the same as a given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function startsAt($date = null): bool
{
return $this->getStartDate()->equalTo($this->resolveCarbon($date));
}
/**
* Determines if the end date is before an other given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function endsBefore($date = null): bool
{
return $this->calculateEnd()->lessThan($this->resolveCarbon($date));
}
/**
* Determines if the end date is before or the same as a given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function endsBeforeOrAt($date = null): bool
{
return $this->calculateEnd()->lessThanOrEqualTo($this->resolveCarbon($date));
}
/**
* Determines if the end date is after an other given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function endsAfter($date = null): bool
{
return $this->calculateEnd()->greaterThan($this->resolveCarbon($date));
}
/**
* Determines if the end date is after or the same as a given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function endsAfterOrAt($date = null): bool
{
return $this->calculateEnd()->greaterThanOrEqualTo($this->resolveCarbon($date));
}
/**
* Determines if the end date is the same as a given date.
* (Rather start/end are included by options is ignored.)
*
* @param mixed $date
*
* @return bool
*/
public function endsAt($date = null): bool
{
return $this->calculateEnd()->equalTo($this->resolveCarbon($date));
}
/**
* Return true if start date is now or later.
* (Rather start/end are included by options is ignored.)
*
* @return bool
*/
public function isStarted(): bool
{
return $this->startsBeforeOrAt();
}
/**
* Return true if end date is now or later.
* (Rather start/end are included by options is ignored.)
*
* @return bool
*/
public function isEnded(): bool
{
return $this->endsBeforeOrAt();
}
/**
* Return true if now is between start date (included) and end date (excluded).
* (Rather start/end are included by options is ignored.)
*
* @return bool
*/
public function isInProgress(): bool
{
return $this->isStarted() && !$this->isEnded();
}
/**
* 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
*
* @return $this
*/
public function roundUnit($unit, $precision = 1, $function = 'round')
{
$this->setStartDate($this->getStartDate()->roundUnit($unit, $precision, $function));
if ($this->endDate) {
$this->setEndDate($this->getEndDate()->roundUnit($unit, $precision, $function));
}
$this->setDateInterval($this->getDateInterval()->roundUnit($unit, $precision, $function));
return $this;
}
/**
* Truncate the current instance at the given unit with given precision if specified.
*
* @param string $unit
* @param float|int|string|\DateInterval|null $precision
*
* @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
*
* @return $this
*/
public function ceilUnit($unit, $precision = 1)
{
return $this->roundUnit($unit, $precision, 'ceil');
}
/**
* Round the current instance second with given precision if specified (else period interval is used).
*
* @param float|int|string|\DateInterval|null $precision
* @param string $function
*
* @return $this
*/
public function round($precision = null, $function = 'round')
{
return $this->roundWith($precision ?? (string) $this->getDateInterval(), $function);
}
/**
* Round the current instance second with given precision if specified (else period interval is used).
*
* @param float|int|string|\DateInterval|null $precision
*
* @return $this
*/
public function floor($precision = null)
{
return $this->round($precision, 'floor');
}
/**
* Ceil the current instance second with given precision if specified (else period interval is used).
*
* @param float|int|string|\DateInterval|null $precision
*
* @return $this
*/
public function ceil($precision = null)
{
return $this->round($precision, 'ceil');
}
/**
* Specify data which should be serialized to JSON.
*
* @link https://php.net/manual/en/jsonserializable.jsonserialize.php
*
* @return CarbonInterface[]
*/
public function jsonSerialize()
{
return $this->toArray();
}
/**
* Return true if the given date is between start and end.
*
* @param \Carbon\Carbon|\Carbon\CarbonPeriod|\Carbon\CarbonInterval|\DateInterval|\DatePeriod|\DateTimeInterface|string|null $date
*
* @return bool
*/
public function contains($date = null): bool
{
$startMethod = 'startsBefore'.($this->isStartIncluded() ? 'OrAt' : '');
$endMethod = 'endsAfter'.($this->isEndIncluded() ? 'OrAt' : '');
return $this->$startMethod($date) && $this->$endMethod($date);
}
/**
* Return true if the current period follows a given other period (with no overlap).
* For instance, [2019-08-01 -> 2019-08-12] follows [2019-07-29 -> 2019-07-31]
* Note than in this example, follows() would be false if 2019-08-01 or 2019-07-31 was excluded by options.
*
* @param \Carbon\CarbonPeriod|\DatePeriod|string $period
*
* @return bool
*/
public function follows($period, ...$arguments): bool
{
$period = $this->resolveCarbonPeriod($period, ...$arguments);
return $this->getIncludedStartDate()->equalTo($period->getIncludedEndDate()->add($period->getDateInterval()));
}
/**
* Return true if the given other period follows the current one (with no overlap).
* For instance, [2019-07-29 -> 2019-07-31] is followed by [2019-08-01 -> 2019-08-12]
* Note than in this example, isFollowedBy() would be false if 2019-08-01 or 2019-07-31 was excluded by options.
*
* @param \Carbon\CarbonPeriod|\DatePeriod|string $period
*
* @return bool
*/
public function isFollowedBy($period, ...$arguments): bool
{
$period = $this->resolveCarbonPeriod($period, ...$arguments);
return $period->follows($this);
}
/**
* Return true if the given period either follows or is followed by the current one.
*
* @see follows()
* @see isFollowedBy()
*
* @param \Carbon\CarbonPeriod|\DatePeriod|string $period
*
* @return bool
*/
public function isConsecutiveWith($period, ...$arguments): bool
{
return $this->follows($period, ...$arguments) || $this->isFollowedBy($period, ...$arguments);
}
/**
* Update properties after removing built-in filters.
*
* @return void
*/
protected function updateInternalState()
{
if (!$this->hasFilter(static::END_DATE_FILTER)) {
$this->endDate = null;
}
if (!$this->hasFilter(static::RECURRENCES_FILTER)) {
$this->recurrences = null;
}
}
/**
* Create a filter tuple from raw parameters.
*
* Will create an automatic filter callback for one of Carbon's is* methods.
*
* @param array $parameters
*
* @return array
*/
protected function createFilterTuple(array $parameters)
{
$method = array_shift($parameters);
if (!$this->isCarbonPredicateMethod($method)) {
return [$method, array_shift($parameters)];
}
return [function ($date) use ($method, $parameters) {
return ([$date, $method])(...$parameters);
}, $method];
}
/**
* Return whether given callable is a string pointing to one of Carbon's is* methods
* and should be automatically converted to a filter callback.
*
* @param callable $callable
*
* @return bool
*/
protected function isCarbonPredicateMethod($callable)
{
return \is_string($callable) && substr($callable, 0, 2) === 'is' &&
(method_exists($this->dateClass, $callable) || ([$this->dateClass, 'hasMacro'])($callable));
}
/**
* Recurrences filter callback (limits number of recurrences).
*
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @param \Carbon\Carbon $current
* @param int $key
*
* @return bool|string
*/
protected function filterRecurrences($current, $key)
{
if ($key < $this->recurrences) {
return true;
}
return static::END_ITERATION;
}
/**
* End date filter callback.
*
* @param \Carbon\Carbon $current
*
* @return bool|string
*/
protected function filterEndDate($current)
{
if (!$this->isEndExcluded() && $current == $this->endDate) {
return true;
}
if ($this->dateInterval->invert ? $current > $this->endDate : $current < $this->endDate) {
return true;
}
return static::END_ITERATION;
}
/**
* End iteration filter callback.
*
* @return string
*/
protected function endIteration()
{
return static::END_ITERATION;
}
/**
* Handle change of the parameters.
*/
protected function handleChangedParameters()
{
if (($this->getOptions() & static::IMMUTABLE) && $this->dateClass === Carbon::class) {
$this->setDateClass(CarbonImmutable::class);
} elseif (!($this->getOptions() & static::IMMUTABLE) && $this->dateClass === CarbonImmutable::class) {
$this->setDateClass(Carbon::class);
}
$this->validationResult = null;
}
/**
* Validate current date and stop iteration when necessary.
*
* Returns true when current date is valid, false if it is not, or static::END_ITERATION
* when iteration should be stopped.
*
* @return bool|string
*/
protected function validateCurrentDate()
{
if ($this->current === null) {
$this->rewind();
}
// Check after the first rewind to avoid repeating the initial validation.
if ($this->validationResult !== null) {
return $this->validationResult;
}
return $this->validationResult = $this->checkFilters();
}
/**
* Check whether current value and key pass all the filters.
*
* @return bool|string
*/
protected function checkFilters()
{
$current = $this->prepareForReturn($this->current);
foreach ($this->filters as $tuple) {
$result = \call_user_func(
$tuple[0],
$current->copy(),
$this->key,
$this
);
if ($result === static::END_ITERATION) {
return static::END_ITERATION;
}
if (!$result) {
return false;
}
}
return true;
}
/**
* Prepare given date to be returned to the external logic.
*
* @param CarbonInterface $date
*
* @return CarbonInterface
*/
protected function prepareForReturn(CarbonInterface $date)
{
$date = ([$this->dateClass, 'make'])($date);
if ($this->timezone) {
$date = $date->setTimezone($this->timezone);
}
return $date;
}
/**
* Keep incrementing the current date until a valid date is found or the iteration is ended.
*
* @throws RuntimeException
*
* @return void
*/
protected function incrementCurrentDateUntilValid()
{
$attempts = 0;
do {
$this->current = $this->current->add($this->dateInterval);
$this->validationResult = null;
if (++$attempts > static::NEXT_MAX_ATTEMPTS) {
throw new UnreachableException('Could not find next valid date.');
}
} while ($this->validateCurrentDate() === false);
}
/**
* 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);
}
/**
* Return the Carbon instance passed through, a now instance in the same timezone
* if null given or parse the input if string given.
*
* @param \Carbon\Carbon|\Carbon\CarbonPeriod|\Carbon\CarbonInterval|\DateInterval|\DatePeriod|\DateTimeInterface|string|null $date
*
* @return \Carbon\CarbonInterface
*/
protected function resolveCarbon($date = null)
{
return $this->getStartDate()->nowWithSameTz()->carbonize($date);
}
/**
* Resolve passed arguments or DatePeriod to a CarbonPeriod object.
*
* @param mixed $period
* @param mixed ...$arguments
*
* @return static
*/
protected function resolveCarbonPeriod($period, ...$arguments)
{
if ($period instanceof self) {
return $period;
}
return $period instanceof DatePeriod
? static::instance($period)
: static::create($period, ...$arguments);
}
}