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<?php
declare(strict_types=1);
/**
* This file is part of the Carbon package.
*
* (c) Brian Nesbitt <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Carbon\Traits;
use Carbon\Carbon;
use Carbon\CarbonImmutable;
use Carbon\CarbonInterface;
use Carbon\CarbonInterval;
use Carbon\CarbonPeriod;
use Carbon\Exceptions\UnknownUnitException;
use Carbon\Unit;
use Closure;
use DateInterval;
use DateTimeInterface;
/**
* Trait Difference.
*
* Depends on the following methods:
*
* @method bool lessThan($date)
* @method static copy()
* @method static resolveCarbon($date = null)
*/
trait Difference
{
/**
* Get the difference as a DateInterval instance.
* Return relative interval (negative if $absolute flag is not set to true and the given date is before
* current one).
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return DateInterval
*/
public function diffAsDateInterval($date = null, bool $absolute = false): DateInterval
{
$other = $this->resolveCarbon($date);
// Work-around for https://bugs.php.net/bug.php?id=81458
// It was initially introduced for https://bugs.php.net/bug.php?id=80998
// The very specific case of 80998 was fixed in PHP 8.1beta3, but it introduced 81458
// So we still need to keep this for now
if ($other->tz !== $this->tz) {
$other = $other->avoidMutation()->setTimezone($this->tz);
}
return parent::diff($other, $absolute);
}
/**
* Get the difference as a CarbonInterval instance.
* Return relative interval (negative if $absolute flag is not set to true and the given date is before
* current one).
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return CarbonInterval
*/
public function diffAsCarbonInterval($date = null, bool $absolute = false, array $skip = []): CarbonInterval
{
return CarbonInterval::diff($this, $this->resolveCarbon($date), $absolute, $skip)
->setLocalTranslator($this->getLocalTranslator());
}
/**
* @alias diffAsCarbonInterval
*
* Get the difference as a DateInterval instance.
* Return relative interval (negative if $absolute flag is not set to true and the given date is before
* current one).
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return CarbonInterval
*/
public function diff($date = null, bool $absolute = false, array $skip = []): CarbonInterval
{
return $this->diffAsCarbonInterval($date, $absolute, $skip);
}
/**
* @param Unit|string $unit microsecond, millisecond, second, minute,
* hour, day, week, month, quarter, year,
* century, millennium
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
* @param bool $utc Always convert dates to UTC before comparing (if not set, it will do it only if timezones are different)
*
* @return float
*/
public function diffInUnit(Unit|string $unit, $date = null, bool $absolute = false, bool $utc = false): float
{
$unit = static::pluralUnit($unit instanceof Unit ? $unit->value : rtrim($unit, 'z'));
$method = 'diffIn'.$unit;
if (!method_exists($this, $method)) {
throw new UnknownUnitException($unit);
}
return $this->$method($date, $absolute, $utc);
}
/**
* Get the difference in years
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
* @param bool $utc Always convert dates to UTC before comparing (if not set, it will do it only if timezones are different)
*
* @return float
*/
public function diffInYears($date = null, bool $absolute = false, bool $utc = false): float
{
$start = $this;
$end = $this->resolveCarbon($date);
if ($utc) {
$start = $start->avoidMutation()->utc();
$end = $end->avoidMutation()->utc();
}
$ascending = ($start <= $end);
$sign = $absolute || $ascending ? 1 : -1;
if (!$ascending) {
[$start, $end] = [$end, $start];
}
$yearsDiff = (int) $start->diff($end, $absolute)->format('%r%y');
/** @var Carbon|CarbonImmutable $floorEnd */
$floorEnd = $start->copy()->addYears($yearsDiff);
if ($floorEnd >= $end) {
return $sign * $yearsDiff;
}
/** @var Carbon|CarbonImmutable $startOfYearAfterFloorEnd */
$startOfYearAfterFloorEnd = $floorEnd->copy()->addYear()->startOfYear();
if ($startOfYearAfterFloorEnd > $end) {
return $sign * ($yearsDiff + $floorEnd->diffInDays($end) / $floorEnd->daysInYear);
}
return $sign * ($yearsDiff + $floorEnd->diffInDays($startOfYearAfterFloorEnd) / $floorEnd->daysInYear + $startOfYearAfterFloorEnd->diffInDays($end) / $end->daysInYear);
}
/**
* Get the difference in quarters.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
* @param bool $utc Always convert dates to UTC before comparing (if not set, it will do it only if timezones are different)
*
* @return float
*/
public function diffInQuarters($date = null, bool $absolute = false, bool $utc = false): float
{
return $this->diffInMonths($date, $absolute, $utc) / static::MONTHS_PER_QUARTER;
}
/**
* Get the difference in months.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
* @param bool $utc Always convert dates to UTC before comparing (if not set, it will do it only if timezones are different)
*
* @return float
*/
public function diffInMonths($date = null, bool $absolute = false, bool $utc = false): float
{
$start = $this;
$end = $this->resolveCarbon($date);
$compareUsingUtc = $utc || ($end->timezoneName !== $start->timezoneName);
if ($compareUsingUtc) {
$start = $start->avoidMutation()->utc();
$end = $end->avoidMutation()->utc();
}
[$yearStart, $monthStart, $dayStart] = explode('-', $start->format('Y-m-dHisu'));
[$yearEnd, $monthEnd, $dayEnd] = explode('-', $end->format('Y-m-dHisu'));
$monthsDiff = (((int) $yearEnd) - ((int) $yearStart)) * static::MONTHS_PER_YEAR +
((int) $monthEnd) - ((int) $monthStart);
if ($monthsDiff > 0) {
$monthsDiff -= ($dayStart > $dayEnd ? 1 : 0);
} elseif ($monthsDiff < 0) {
$monthsDiff += ($dayStart < $dayEnd ? 1 : 0);
}
$ascending = ($start <= $end);
$sign = $absolute || $ascending ? 1 : -1;
$monthsDiff = abs($monthsDiff);
if (!$ascending) {
[$start, $end] = [$end, $start];
}
/** @var Carbon|CarbonImmutable $floorEnd */
$floorEnd = $start->avoidMutation()->addMonths($monthsDiff);
if ($floorEnd >= $end) {
return $sign * $monthsDiff;
}
/** @var Carbon|CarbonImmutable $startOfMonthAfterFloorEnd */
$startOfMonthAfterFloorEnd = $floorEnd->avoidMutation()->addMonthNoOverflow()->startOfMonth();
if ($startOfMonthAfterFloorEnd > $end) {
return $sign * ($monthsDiff + $floorEnd->diffInDays($end) / $floorEnd->daysInMonth);
}
return $sign * ($monthsDiff + $floorEnd->diffInDays($startOfMonthAfterFloorEnd) / $floorEnd->daysInMonth + $startOfMonthAfterFloorEnd->diffInDays($end) / $end->daysInMonth);
}
/**
* Get the difference in weeks.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
* @param bool $utc Always convert dates to UTC before comparing (if not set, it will do it only if timezones are different)
*
* @return float
*/
public function diffInWeeks($date = null, bool $absolute = false, bool $utc = false): float
{
return $this->diffInDays($date, $absolute, $utc) / static::DAYS_PER_WEEK;
}
/**
* Get the difference in days.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
* @param bool $utc Always convert dates to UTC before comparing (if not set, it will do it only if timezones are different)
*
* @return float
*/
public function diffInDays($date = null, bool $absolute = false, bool $utc = false): float
{
$date = $this->resolveCarbon($date);
$current = $this;
$compareUsingUtc = $utc || ($date->timezoneName !== $current->timezoneName);
if ($compareUsingUtc) {
$date = $date->avoidMutation()->utc();
$current = $current->avoidMutation()->utc();
}
$interval = $current->diffAsDateInterval($date, $absolute);
if (!$compareUsingUtc) {
$minutes = $interval->i + ($interval->s + $interval->f) / static::SECONDS_PER_MINUTE;
$hours = $interval->h + $minutes / static::MINUTES_PER_HOUR;
return $this->getIntervalDayDiff($interval)
+ ($interval->invert ? -$hours : $hours) / static::HOURS_PER_DAY;
}
$hoursDiff = $current->diffInHours($date, $absolute);
if ($interval->y === 0 && $interval->m === 0 && $interval->d === 0) {
return $hoursDiff / static::HOURS_PER_DAY;
}
return $this->getIntervalDayDiff($interval)
+ fmod($hoursDiff, static::HOURS_PER_DAY) / static::HOURS_PER_DAY;
}
/**
* Get the difference in days using a filter closure.
*
* @param Closure $callback
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return int
*/
public function diffInDaysFiltered(Closure $callback, $date = null, bool $absolute = false): int
{
return $this->diffFiltered(CarbonInterval::day(), $callback, $date, $absolute);
}
/**
* Get the difference in hours using a filter closure.
*
* @param Closure $callback
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return int
*/
public function diffInHoursFiltered(Closure $callback, $date = null, bool $absolute = false): int
{
return $this->diffFiltered(CarbonInterval::hour(), $callback, $date, $absolute);
}
/**
* Get the difference by the given interval using a filter closure.
*
* @param CarbonInterval $ci An interval to traverse by
* @param Closure $callback
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return int
*/
public function diffFiltered(CarbonInterval $ci, Closure $callback, $date = null, bool $absolute = false): int
{
$start = $this;
$end = $this->resolveCarbon($date);
$inverse = false;
if ($end < $start) {
$start = $end;
$end = $this;
$inverse = true;
}
$options = CarbonPeriod::EXCLUDE_END_DATE | ($this->isMutable() ? 0 : CarbonPeriod::IMMUTABLE);
$diff = $ci->toPeriod($start, $end, $options)->filter($callback)->count();
return $inverse && !$absolute ? -$diff : $diff;
}
/**
* Get the difference in weekdays.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return int
*/
public function diffInWeekdays($date = null, bool $absolute = false): int
{
return $this->diffInDaysFiltered(
static fn (CarbonInterface $date) => $date->isWeekday(),
$this->resolveCarbon($date)->avoidMutation()->modify($this->format('H:i:s.u')),
$absolute,
);
}
/**
* Get the difference in weekend days using a filter.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return int
*/
public function diffInWeekendDays($date = null, bool $absolute = false): int
{
return $this->diffInDaysFiltered(
static fn (CarbonInterface $date) => $date->isWeekend(),
$this->resolveCarbon($date)->avoidMutation()->modify($this->format('H:i:s.u')),
$absolute,
);
}
/**
* Get the difference in hours.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return float
*/
public function diffInHours($date = null, bool $absolute = false): float
{
return $this->diffInMinutes($date, $absolute) / static::MINUTES_PER_HOUR;
}
/**
* Get the difference in minutes.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return float
*/
public function diffInMinutes($date = null, bool $absolute = false): float
{
return $this->diffInSeconds($date, $absolute) / static::SECONDS_PER_MINUTE;
}
/**
* Get the difference in seconds.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return float
*/
public function diffInSeconds($date = null, bool $absolute = false): float
{
return $this->diffInMilliseconds($date, $absolute) / static::MILLISECONDS_PER_SECOND;
}
/**
* Get the difference in microseconds.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return float
*/
public function diffInMicroseconds($date = null, bool $absolute = false): float
{
/** @var CarbonInterface $date */
$date = $this->resolveCarbon($date);
$value = ($date->timestamp - $this->timestamp) * static::MICROSECONDS_PER_SECOND +
$date->micro - $this->micro;
return $absolute ? abs($value) : $value;
}
/**
* Get the difference in milliseconds.
*
* @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
* @param bool $absolute Get the absolute of the difference
*
* @return float
*/
public function diffInMilliseconds($date = null, bool $absolute = false): float
{
return $this->diffInMicroseconds($date, $absolute) / static::MICROSECONDS_PER_MILLISECOND;
}
/**
* The number of seconds since midnight.
*
* @return float
*/
public function secondsSinceMidnight(): float
{
return $this->diffInSeconds($this->copy()->startOfDay(), true);
}
/**
* The number of seconds until 23:59:59.
*
* @return float
*/
public function secondsUntilEndOfDay(): float
{
return $this->diffInSeconds($this->copy()->endOfDay(), true);
}
/**
* Get the difference in a human readable format in the current locale from current instance to an other
* instance given (or now if null given).
*
* @example
* ```
* echo Carbon::tomorrow()->diffForHumans() . "\n";
* echo Carbon::tomorrow()->diffForHumans(['parts' => 2]) . "\n";
* echo Carbon::tomorrow()->diffForHumans(['parts' => 3, 'join' => true]) . "\n";
* echo Carbon::tomorrow()->diffForHumans(Carbon::yesterday()) . "\n";
* echo Carbon::tomorrow()->diffForHumans(Carbon::yesterday(), ['short' => true]) . "\n";
* ```
*
* @param Carbon|DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
* if null passed, now will be used as comparison reference;
* if any other type, it will be converted to date and used as reference.
* @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
* ⦿ 'syntax' entry (see below)
* ⦿ 'short' entry (see below)
* ⦿ 'parts' entry (see below)
* ⦿ 'options' entry (see below)
* ⦿ 'skip' entry, list of units to skip (array of strings or a single string,
* ` it can be the unit name (singular or plural) or its shortcut
* ` (y, m, w, d, h, min, s, ms, µs).
* ⦿ 'aUnit' entry, prefer "an hour" over "1 hour" if true
* ⦿ 'altNumbers' entry, use alternative numbers if available
* ` (from the current language if true is passed, from the given language(s)
* ` if array or string is passed)
* ⦿ 'join' entry determines how to join multiple parts of the string
* ` - if $join is a string, it's used as a joiner glue
* ` - if $join is a callable/closure, it get the list of string and should return a string
* ` - if $join is an array, the first item will be the default glue, and the second item
* ` will be used instead of the glue for the last item
* ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
* ` - if $join is missing, a space will be used as glue
* ⦿ 'other' entry (see above)
* ⦿ 'minimumUnit' entry determines the smallest unit of time to display can be long or
* ` short form of the units, e.g. 'hour' or 'h' (default value: s)
* ⦿ 'locale' language in which the diff should be output (has no effect if 'translator' key is set)
* ⦿ 'translator' a custom translator to use to translator the output.
* if int passed, it adds modifiers:
* Possible values:
* - CarbonInterface::DIFF_ABSOLUTE no modifiers
* - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
* - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
* Default value: CarbonInterface::DIFF_ABSOLUTE
* @param bool $short displays short format of time units
* @param int $parts maximum number of parts to display (default value: 1: single unit)
* @param int $options human diff options
*/
public function diffForHumans($other = null, $syntax = null, $short = false, $parts = 1, $options = null): string
{
/* @var CarbonInterface $this */
if (\is_array($other)) {
$other['syntax'] = \array_key_exists('syntax', $other) ? $other['syntax'] : $syntax;
$syntax = $other;
$other = $syntax['other'] ?? null;
}
$intSyntax = &$syntax;
if (\is_array($syntax)) {
$syntax['syntax'] = $syntax['syntax'] ?? null;
$intSyntax = &$syntax['syntax'];
}
$intSyntax = (int) ($intSyntax ?? static::DIFF_RELATIVE_AUTO);
$intSyntax = $intSyntax === static::DIFF_RELATIVE_AUTO && $other === null ? static::DIFF_RELATIVE_TO_NOW : $intSyntax;
$parts = min(7, max(1, (int) $parts));
$skip = \is_array($syntax) ? ($syntax['skip'] ?? []) : [];
$options ??= $this->localHumanDiffOptions ?? $this->transmitFactory(
static fn () => static::getHumanDiffOptions(),
);
return $this->diff($other, skip: (array) $skip)->forHumans($syntax, (bool) $short, $parts, $options);
}
/**
* @alias diffForHumans
*
* Get the difference in a human readable format in the current locale from current instance to an other
* instance given (or now if null given).
*
* @param Carbon|\DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
* if null passed, now will be used as comparison reference;
* if any other type, it will be converted to date and used as reference.
* @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
* - 'syntax' entry (see below)
* - 'short' entry (see below)
* - 'parts' entry (see below)
* - 'options' entry (see below)
* - 'join' entry determines how to join multiple parts of the string
* ` - if $join is a string, it's used as a joiner glue
* ` - if $join is a callable/closure, it get the list of string and should return a string
* ` - if $join is an array, the first item will be the default glue, and the second item
* ` will be used instead of the glue for the last item
* ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
* ` - if $join is missing, a space will be used as glue
* - 'other' entry (see above)
* if int passed, it add modifiers:
* Possible values:
* - CarbonInterface::DIFF_ABSOLUTE no modifiers
* - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
* - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
* Default value: CarbonInterface::DIFF_ABSOLUTE
* @param bool $short displays short format of time units
* @param int $parts maximum number of parts to display (default value: 1: single unit)
* @param int $options human diff options
*
* @return string
*/
public function from($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
{
return $this->diffForHumans($other, $syntax, $short, $parts, $options);
}
/**
* @alias diffForHumans
*
* Get the difference in a human readable format in the current locale from current instance to an other
* instance given (or now if null given).
*/
public function since($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
{
return $this->diffForHumans($other, $syntax, $short, $parts, $options);
}
/**
* Get the difference in a human readable format in the current locale from an other
* instance given (or now if null given) to current instance.
*
* When comparing a value in the past to default now:
* 1 hour from now
* 5 months from now
*
* When comparing a value in the future to default now:
* 1 hour ago
* 5 months ago
*
* When comparing a value in the past to another value:
* 1 hour after
* 5 months after
*
* When comparing a value in the future to another value:
* 1 hour before
* 5 months before
*
* @param Carbon|\DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
* if null passed, now will be used as comparison reference;
* if any other type, it will be converted to date and used as reference.
* @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
* - 'syntax' entry (see below)
* - 'short' entry (see below)
* - 'parts' entry (see below)
* - 'options' entry (see below)
* - 'join' entry determines how to join multiple parts of the string
* ` - if $join is a string, it's used as a joiner glue
* ` - if $join is a callable/closure, it get the list of string and should return a string
* ` - if $join is an array, the first item will be the default glue, and the second item
* ` will be used instead of the glue for the last item
* ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
* ` - if $join is missing, a space will be used as glue
* - 'other' entry (see above)
* if int passed, it add modifiers:
* Possible values:
* - CarbonInterface::DIFF_ABSOLUTE no modifiers
* - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
* - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
* Default value: CarbonInterface::DIFF_ABSOLUTE
* @param bool $short displays short format of time units
* @param int $parts maximum number of parts to display (default value: 1: single unit)
* @param int $options human diff options
*
* @return string
*/
public function to($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
{
if (!$syntax && !$other) {
$syntax = CarbonInterface::DIFF_RELATIVE_TO_NOW;
}
return $this->resolveCarbon($other)->diffForHumans($this, $syntax, $short, $parts, $options);
}
/**
* @alias to
*
* Get the difference in a human readable format in the current locale from an other
* instance given (or now if null given) to current instance.
*
* @param Carbon|\DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
* if null passed, now will be used as comparison reference;
* if any other type, it will be converted to date and used as reference.
* @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
* - 'syntax' entry (see below)
* - 'short' entry (see below)
* - 'parts' entry (see below)
* - 'options' entry (see below)
* - 'join' entry determines how to join multiple parts of the string
* ` - if $join is a string, it's used as a joiner glue
* ` - if $join is a callable/closure, it get the list of string and should return a string
* ` - if $join is an array, the first item will be the default glue, and the second item
* ` will be used instead of the glue for the last item
* ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
* ` - if $join is missing, a space will be used as glue
* - 'other' entry (see above)
* if int passed, it add modifiers:
* Possible values:
* - CarbonInterface::DIFF_ABSOLUTE no modifiers
* - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
* - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
* Default value: CarbonInterface::DIFF_ABSOLUTE
* @param bool $short displays short format of time units
* @param int $parts maximum number of parts to display (default value: 1: single unit)
* @param int $options human diff options
*
* @return string
*/
public function until($other = null, $syntax = null, $short = false, $parts = 1, $options = null)
{
return $this->to($other, $syntax, $short, $parts, $options);
}
/**
* Get the difference in a human readable format in the current locale from current
* instance to now.
*
* @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
* - 'syntax' entry (see below)
* - 'short' entry (see below)
* - 'parts' entry (see below)
* - 'options' entry (see below)
* - 'join' entry determines how to join multiple parts of the string
* ` - if $join is a string, it's used as a joiner glue
* ` - if $join is a callable/closure, it get the list of string and should return a string
* ` - if $join is an array, the first item will be the default glue, and the second item
* ` will be used instead of the glue for the last item
* ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
* ` - if $join is missing, a space will be used as glue
* if int passed, it add modifiers:
* Possible values:
* - CarbonInterface::DIFF_ABSOLUTE no modifiers
* - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
* - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
* Default value: CarbonInterface::DIFF_ABSOLUTE
* @param bool $short displays short format of time units
* @param int $parts maximum number of parts to display (default value: 1: single unit)
* @param int $options human diff options
*
* @return string
*/
public function fromNow($syntax = null, $short = false, $parts = 1, $options = null)
{
$other = null;
if ($syntax instanceof DateTimeInterface) {
[$other, $syntax, $short, $parts, $options] = array_pad(\func_get_args(), 5, null);
}
return $this->from($other, $syntax, $short, $parts, $options);
}
/**
* Get the difference in a human readable format in the current locale from an other
* instance given to now
*
* @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
* - 'syntax' entry (see below)
* - 'short' entry (see below)
* - 'parts' entry (see below)
* - 'options' entry (see below)
* - 'join' entry determines how to join multiple parts of the string
* ` - if $join is a string, it's used as a joiner glue
* ` - if $join is a callable/closure, it get the list of string and should return a string
* ` - if $join is an array, the first item will be the default glue, and the second item
* ` will be used instead of the glue for the last item
* ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
* ` - if $join is missing, a space will be used as glue
* if int passed, it add modifiers:
* Possible values:
* - CarbonInterface::DIFF_ABSOLUTE no modifiers
* - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
* - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
* Default value: CarbonInterface::DIFF_ABSOLUTE
* @param bool $short displays short format of time units
* @param int $parts maximum number of parts to display (default value: 1: single part)
* @param int $options human diff options
*
* @return string
*/
public function toNow($syntax = null, $short = false, $parts = 1, $options = null)
{
return $this->to(null, $syntax, $short, $parts, $options);
}
/**
* Get the difference in a human readable format in the current locale from an other
* instance given to now
*
* @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
* - 'syntax' entry (see below)
* - 'short' entry (see below)
* - 'parts' entry (see below)
* - 'options' entry (see below)
* - 'join' entry determines how to join multiple parts of the string
* ` - if $join is a string, it's used as a joiner glue
* ` - if $join is a callable/closure, it get the list of string and should return a string
* ` - if $join is an array, the first item will be the default glue, and the second item
* ` will be used instead of the glue for the last item
* ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
* ` - if $join is missing, a space will be used as glue
* if int passed, it add modifiers:
* Possible values:
* - CarbonInterface::DIFF_ABSOLUTE no modifiers
* - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
* - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
* Default value: CarbonInterface::DIFF_ABSOLUTE
* @param bool $short displays short format of time units
* @param int $parts maximum number of parts to display (default value: 1: single part)
* @param int $options human diff options
*
* @return string
*/
public function ago($syntax = null, $short = false, $parts = 1, $options = null)
{
$other = null;
if ($syntax instanceof DateTimeInterface) {
[$other, $syntax, $short, $parts, $options] = array_pad(\func_get_args(), 5, null);
}
return $this->from($other, $syntax, $short, $parts, $options);
}
/**
* Get the difference in a human-readable format in the current locale from current instance to another
* instance given (or now if null given).
*
* @return string
*/
public function timespan($other = null, $timezone = null): string
{
if (\is_string($other)) {
$other = $this->transmitFactory(static fn () => static::parse($other, $timezone));
}
return $this->diffForHumans($other, [
'join' => ', ',
'syntax' => CarbonInterface::DIFF_ABSOLUTE,
'parts' => INF,
]);
}
/**
* Returns either day of week + time (e.g. "Last Friday at 3:30 PM") if reference time is within 7 days,
* or a calendar date (e.g. "10/29/2017") otherwise.
*
* Language, date and time formats will change according to the current locale.
*
* @param Carbon|\DateTimeInterface|string|null $referenceTime
* @param array $formats
*
* @return string
*/
public function calendar($referenceTime = null, array $formats = [])
{
/** @var CarbonInterface $current */
$current = $this->avoidMutation()->startOfDay();
/** @var CarbonInterface $other */
$other = $this->resolveCarbon($referenceTime)->avoidMutation()->setTimezone($this->getTimezone())->startOfDay();
$diff = $other->diffInDays($current, false);
$format = $diff <= -static::DAYS_PER_WEEK ? 'sameElse' : (
$diff < -1 ? 'lastWeek' : (
$diff < 0 ? 'lastDay' : (
$diff < 1 ? 'sameDay' : (
$diff < 2 ? 'nextDay' : (
$diff < static::DAYS_PER_WEEK ? 'nextWeek' : 'sameElse'
)
)
)
)
);
$format = array_merge($this->getCalendarFormats(), $formats)[$format];
if ($format instanceof Closure) {
$format = $format($current, $other) ?? '';
}
return $this->isoFormat((string) $format);
}
private function getIntervalDayDiff(DateInterval $interval): int
{
$daysDiff = (int) $interval->format('%a');
$sign = $interval->format('%r') === '-' ? -1 : 1;
return $daysDiff * $sign;
}
}