<?php
/**
* 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\CarbonInterface;
use Carbon\Exceptions\BadUnitException;
use InvalidArgumentException;
/**
* Trait Comparison.
*
* Comparison utils and testers. All the following methods return booleans.
* nowWithSameTz
*
* Depends on the following methods:
*
* @method CarbonInterface resolveCarbon($date)
* @method CarbonInterface copy()
* @method CarbonInterface nowWithSameTz()
* @method static CarbonInterface yesterday($timezone = null)
* @method static CarbonInterface tomorrow($timezone = null)
*/
trait Comparison
{
/**
* Determines if the instance is equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->eq('2018-07-25 12:45:16'); // true
* Carbon::parse('2018-07-25 12:45:16')->eq(Carbon::parse('2018-07-25 12:45:16')); // true
* Carbon::parse('2018-07-25 12:45:16')->eq('2018-07-25 12:45:17'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see equalTo()
*
* @return bool
*/
public function eq($date): bool
{
return $this->equalTo($date);
}
/**
* Determines if the instance is equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->equalTo('2018-07-25 12:45:16'); // true
* Carbon::parse('2018-07-25 12:45:16')->equalTo(Carbon::parse('2018-07-25 12:45:16')); // true
* Carbon::parse('2018-07-25 12:45:16')->equalTo('2018-07-25 12:45:17'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @return bool
*/
public function equalTo($date): bool
{
return $this == $date;
}
/**
* Determines if the instance is not equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->ne('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->ne(Carbon::parse('2018-07-25 12:45:16')); // false
* Carbon::parse('2018-07-25 12:45:16')->ne('2018-07-25 12:45:17'); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see notEqualTo()
*
* @return bool
*/
public function ne($date): bool
{
return $this->notEqualTo($date);
}
/**
* Determines if the instance is not equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->notEqualTo('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->notEqualTo(Carbon::parse('2018-07-25 12:45:16')); // false
* Carbon::parse('2018-07-25 12:45:16')->notEqualTo('2018-07-25 12:45:17'); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @return bool
*/
public function notEqualTo($date): bool
{
return !$this->equalTo($date);
}
/**
* Determines if the instance is greater (after) than another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->gt('2018-07-25 12:45:15'); // true
* Carbon::parse('2018-07-25 12:45:16')->gt('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->gt('2018-07-25 12:45:17'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see greaterThan()
*
* @return bool
*/
public function gt($date): bool
{
return $this->greaterThan($date);
}
/**
* Determines if the instance is greater (after) than another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->greaterThan('2018-07-25 12:45:15'); // true
* Carbon::parse('2018-07-25 12:45:16')->greaterThan('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->greaterThan('2018-07-25 12:45:17'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @return bool
*/
public function greaterThan($date): bool
{
return $this > $date;
}
/**
* Determines if the instance is greater (after) than another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->isAfter('2018-07-25 12:45:15'); // true
* Carbon::parse('2018-07-25 12:45:16')->isAfter('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->isAfter('2018-07-25 12:45:17'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see greaterThan()
*
* @return bool
*/
public function isAfter($date): bool
{
return $this->greaterThan($date);
}
/**
* Determines if the instance is greater (after) than or equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->gte('2018-07-25 12:45:15'); // true
* Carbon::parse('2018-07-25 12:45:16')->gte('2018-07-25 12:45:16'); // true
* Carbon::parse('2018-07-25 12:45:16')->gte('2018-07-25 12:45:17'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see greaterThanOrEqualTo()
*
* @return bool
*/
public function gte($date): bool
{
return $this->greaterThanOrEqualTo($date);
}
/**
* Determines if the instance is greater (after) than or equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->greaterThanOrEqualTo('2018-07-25 12:45:15'); // true
* Carbon::parse('2018-07-25 12:45:16')->greaterThanOrEqualTo('2018-07-25 12:45:16'); // true
* Carbon::parse('2018-07-25 12:45:16')->greaterThanOrEqualTo('2018-07-25 12:45:17'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @return bool
*/
public function greaterThanOrEqualTo($date): bool
{
return $this >= $date;
}
/**
* Determines if the instance is less (before) than another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->lt('2018-07-25 12:45:15'); // false
* Carbon::parse('2018-07-25 12:45:16')->lt('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->lt('2018-07-25 12:45:17'); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see lessThan()
*
* @return bool
*/
public function lt($date): bool
{
return $this->lessThan($date);
}
/**
* Determines if the instance is less (before) than another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->lessThan('2018-07-25 12:45:15'); // false
* Carbon::parse('2018-07-25 12:45:16')->lessThan('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->lessThan('2018-07-25 12:45:17'); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @return bool
*/
public function lessThan($date): bool
{
return $this < $date;
}
/**
* Determines if the instance is less (before) than another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->isBefore('2018-07-25 12:45:15'); // false
* Carbon::parse('2018-07-25 12:45:16')->isBefore('2018-07-25 12:45:16'); // false
* Carbon::parse('2018-07-25 12:45:16')->isBefore('2018-07-25 12:45:17'); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see lessThan()
*
* @return bool
*/
public function isBefore($date): bool
{
return $this->lessThan($date);
}
/**
* Determines if the instance is less (before) or equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->lte('2018-07-25 12:45:15'); // false
* Carbon::parse('2018-07-25 12:45:16')->lte('2018-07-25 12:45:16'); // true
* Carbon::parse('2018-07-25 12:45:16')->lte('2018-07-25 12:45:17'); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @see lessThanOrEqualTo()
*
* @return bool
*/
public function lte($date): bool
{
return $this->lessThanOrEqualTo($date);
}
/**
* Determines if the instance is less (before) or equal to another
*
* @example
* ```
* Carbon::parse('2018-07-25 12:45:16')->lessThanOrEqualTo('2018-07-25 12:45:15'); // false
* Carbon::parse('2018-07-25 12:45:16')->lessThanOrEqualTo('2018-07-25 12:45:16'); // true
* Carbon::parse('2018-07-25 12:45:16')->lessThanOrEqualTo('2018-07-25 12:45:17'); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date
*
* @return bool
*/
public function lessThanOrEqualTo($date): bool
{
return $this <= $date;
}
/**
* Determines if the instance is between two others.
*
* @example
* ```
* Carbon::parse('2018-07-25')->between('2018-07-14', '2018-08-01'); // true
* Carbon::parse('2018-07-25')->between('2018-08-01', '2018-08-20'); // false
* Carbon::parse('2018-07-25')->between('2018-07-25', '2018-08-01'); // false
* Carbon::parse('2018-07-25')->between('2018-07-25', '2018-08-01', true); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
* @param bool $equal Indicates if an equal to comparison should be done
*
* @return bool
*/
public function between($date1, $date2, $equal = true): bool
{
$date1 = $this->resolveCarbon($date1);
$date2 = $this->resolveCarbon($date2);
if ($date1->greaterThan($date2)) {
[$date1, $date2] = [$date2, $date1];
}
if ($equal) {
return $this->greaterThanOrEqualTo($date1) && $this->lessThanOrEqualTo($date2);
}
return $this->greaterThan($date1) && $this->lessThan($date2);
}
/**
* Determines if the instance is between two others, bounds excluded.
*
* @example
* ```
* Carbon::parse('2018-07-25')->betweenExcluded('2018-07-14', '2018-08-01'); // true
* Carbon::parse('2018-07-25')->betweenExcluded('2018-08-01', '2018-08-20'); // false
* Carbon::parse('2018-07-25')->betweenExcluded('2018-07-25', '2018-08-01'); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
*
* @return bool
*/
public function betweenExcluded($date1, $date2): bool
{
return $this->between($date1, $date2, false);
}
/**
* Determines if the instance is between two others
*
* @example
* ```
* Carbon::parse('2018-07-25')->isBetween('2018-07-14', '2018-08-01'); // true
* Carbon::parse('2018-07-25')->isBetween('2018-08-01', '2018-08-20'); // false
* Carbon::parse('2018-07-25')->isBetween('2018-07-25', '2018-08-01'); // false
* Carbon::parse('2018-07-25')->isBetween('2018-07-25', '2018-08-01', true); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
* @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
* @param bool $equal Indicates if an equal to comparison should be done
*
* @return bool
*/
public function isBetween($date1, $date2, $equal = true): bool
{
return $this->between($date1, $date2, $equal);
}
/**
* Determines if the instance is a weekday.
*
* @example
* ```
* Carbon::parse('2019-07-14')->isWeekday(); // false
* Carbon::parse('2019-07-15')->isWeekday(); // true
* ```
*
* @return bool
*/
public function isWeekday()
{
return !$this->isWeekend();
}
/**
* Determines if the instance is a weekend day.
*
* @example
* ```
* Carbon::parse('2019-07-14')->isWeekend(); // true
* Carbon::parse('2019-07-15')->isWeekend(); // false
* ```
*
* @return bool
*/
public function isWeekend()
{
return in_array($this->dayOfWeek, static::$weekendDays);
}
/**
* Determines if the instance is yesterday.
*
* @example
* ```
* Carbon::yesterday()->isYesterday(); // true
* Carbon::tomorrow()->isYesterday(); // false
* ```
*
* @return bool
*/
public function isYesterday()
{
return $this->toDateString() === static::yesterday($this->getTimezone())->toDateString();
}
/**
* Determines if the instance is today.
*
* @example
* ```
* Carbon::today()->isToday(); // true
* Carbon::tomorrow()->isToday(); // false
* ```
*
* @return bool
*/
public function isToday()
{
return $this->toDateString() === $this->nowWithSameTz()->toDateString();
}
/**
* Determines if the instance is tomorrow.
*
* @example
* ```
* Carbon::tomorrow()->isTomorrow(); // true
* Carbon::yesterday()->isTomorrow(); // false
* ```
*
* @return bool
*/
public function isTomorrow()
{
return $this->toDateString() === static::tomorrow($this->getTimezone())->toDateString();
}
/**
* Determines if the instance is in the future, ie. greater (after) than now.
*
* @example
* ```
* Carbon::now()->addHours(5)->isFuture(); // true
* Carbon::now()->subHours(5)->isFuture(); // false
* ```
*
* @return bool
*/
public function isFuture()
{
return $this->greaterThan($this->nowWithSameTz());
}
/**
* Determines if the instance is in the past, ie. less (before) than now.
*
* @example
* ```
* Carbon::now()->subHours(5)->isPast(); // true
* Carbon::now()->addHours(5)->isPast(); // false
* ```
*
* @return bool
*/
public function isPast()
{
return $this->lessThan($this->nowWithSameTz());
}
/**
* Determines if the instance is a leap year.
*
* @example
* ```
* Carbon::parse('2020-01-01')->isLeapYear(); // true
* Carbon::parse('2019-01-01')->isLeapYear(); // false
* ```
*
* @return bool
*/
public function isLeapYear()
{
return $this->rawFormat('L') === '1';
}
/**
* Determines if the instance is a long year
*
* @example
* ```
* Carbon::parse('2015-01-01')->isLongYear(); // true
* Carbon::parse('2016-01-01')->isLongYear(); // false
* ```
*
* @see https://en.wikipedia.org/wiki/ISO_8601#Week_dates
*
* @return bool
*/
public function isLongYear()
{
return static::create($this->year, 12, 28, 0, 0, 0, $this->tz)->weekOfYear === 53;
}
/**
* Compares the formatted values of the two dates.
*
* @example
* ```
* Carbon::parse('2019-06-13')->isSameAs('Y-d', Carbon::parse('2019-12-13')); // true
* Carbon::parse('2019-06-13')->isSameAs('Y-d', Carbon::parse('2019-06-14')); // false
* ```
*
* @param string $format date formats to compare.
* @param \Carbon\Carbon|\DateTimeInterface|string|null $date instance to compare with or null to use current day.
*
* @throws \InvalidArgumentException
*
* @return bool
*/
public function isSameAs($format, $date = null)
{
return $this->rawFormat($format) === $this->resolveCarbon($date)->rawFormat($format);
}
/**
* Determines if the instance is in the current unit given.
*
* @example
* ```
* Carbon::parse('2019-01-13')->isSameUnit('year', Carbon::parse('2019-12-25')); // true
* Carbon::parse('2018-12-13')->isSameUnit('year', Carbon::parse('2019-12-25')); // false
* ```
*
* @param string $unit singular unit string
* @param \Carbon\Carbon|\DateTimeInterface|null $date instance to compare with or null to use current day.
*
* @throws \InvalidArgumentException
*
* @return bool
*/
public function isSameUnit($unit, $date = null)
{
$units = [
// @call isSameUnit
'year' => 'Y',
// @call isSameUnit
'week' => 'o-W',
// @call isSameUnit
'day' => 'Y-m-d',
// @call isSameUnit
'hour' => 'Y-m-d H',
// @call isSameUnit
'minute' => 'Y-m-d H:i',
// @call isSameUnit
'second' => 'Y-m-d H:i:s',
// @call isSameUnit
'micro' => 'Y-m-d H:i:s.u',
// @call isSameUnit
'microsecond' => 'Y-m-d H:i:s.u',
];
if (!isset($units[$unit])) {
if (isset($this->$unit)) {
return $this->$unit === $this->resolveCarbon($date)->$unit;
}
if ($this->localStrictModeEnabled ?? static::isStrictModeEnabled()) {
throw new BadUnitException($unit);
}
return false;
}
return $this->isSameAs($units[$unit], $date);
}
/**
* Determines if the instance is in the current unit given.
*
* @example
* ```
* Carbon::now()->isCurrentUnit('hour'); // true
* Carbon::now()->subHours(2)->isCurrentUnit('hour'); // false
* ```
*
* @param string $unit The unit to test.
*
* @throws \BadMethodCallException
*
* @return bool
*/
public function isCurrentUnit($unit)
{
return $this->{'isSame'.ucfirst($unit)}();
}
/**
* Checks if the passed in date is in the same quarter as the instance quarter (and year if needed).
*
* @example
* ```
* Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2019-03-01')); // true
* Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2019-04-01')); // false
* Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2018-03-01')); // false
* Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2018-03-01'), false); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|string|null $date The instance to compare with or null to use current day.
* @param bool $ofSameYear Check if it is the same month in the same year.
*
* @return bool
*/
public function isSameQuarter($date = null, $ofSameYear = true)
{
$date = $this->resolveCarbon($date);
return $this->quarter === $date->quarter && (!$ofSameYear || $this->isSameYear($date));
}
/**
* Checks if the passed in date is in the same month as the instance´s month.
*
* @example
* ```
* Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2019-01-01')); // true
* Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2019-02-01')); // false
* Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2018-01-01')); // false
* Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2018-01-01'), false); // true
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|null $date The instance to compare with or null to use the current date.
* @param bool $ofSameYear Check if it is the same month in the same year.
*
* @return bool
*/
public function isSameMonth($date = null, $ofSameYear = true)
{
return $this->isSameAs($ofSameYear ? 'Y-m' : 'm', $date);
}
/**
* Checks if this day is a specific day of the week.
*
* @example
* ```
* Carbon::parse('2019-07-17')->isDayOfWeek(Carbon::WEDNESDAY); // true
* Carbon::parse('2019-07-17')->isDayOfWeek(Carbon::FRIDAY); // false
* Carbon::parse('2019-07-17')->isDayOfWeek('Wednesday'); // true
* Carbon::parse('2019-07-17')->isDayOfWeek('Friday'); // false
* ```
*
* @param int $dayOfWeek
*
* @return bool
*/
public function isDayOfWeek($dayOfWeek)
{
if (is_string($dayOfWeek) && defined($constant = static::class.'::'.strtoupper($dayOfWeek))) {
$dayOfWeek = constant($constant);
}
return $this->dayOfWeek === $dayOfWeek;
}
/**
* Check if its the birthday. Compares the date/month values of the two dates.
*
* @example
* ```
* Carbon::now()->subYears(5)->isBirthday(); // true
* Carbon::now()->subYears(5)->subDay()->isBirthday(); // false
* Carbon::parse('2019-06-05')->isBirthday(Carbon::parse('2001-06-05')); // true
* Carbon::parse('2019-06-05')->isBirthday(Carbon::parse('2001-06-06')); // false
* ```
*
* @param \Carbon\Carbon|\DateTimeInterface|null $date The instance to compare with or null to use current day.
*
* @return bool
*/
public function isBirthday($date = null)
{
return $this->isSameAs('md', $date);
}
/**
* Check if today is the last day of the Month
*
* @example
* ```
* Carbon::parse('2019-02-28')->isLastOfMonth(); // true
* Carbon::parse('2019-03-28')->isLastOfMonth(); // false
* Carbon::parse('2019-03-30')->isLastOfMonth(); // false
* Carbon::parse('2019-03-31')->isLastOfMonth(); // true
* Carbon::parse('2019-04-30')->isLastOfMonth(); // true
* ```
*
* @return bool
*/
public function isLastOfMonth()
{
return $this->day === $this->daysInMonth;
}
/**
* Check if the instance is start of day / midnight.
*
* @example
* ```
* Carbon::parse('2019-02-28 00:00:00')->isStartOfDay(); // true
* Carbon::parse('2019-02-28 00:00:00.999999')->isStartOfDay(); // true
* Carbon::parse('2019-02-28 00:00:01')->isStartOfDay(); // false
* Carbon::parse('2019-02-28 00:00:00.000000')->isStartOfDay(true); // true
* Carbon::parse('2019-02-28 00:00:00.000012')->isStartOfDay(true); // false
* ```
*
* @param bool $checkMicroseconds check time at microseconds precision
*
* @return bool
*/
public function isStartOfDay($checkMicroseconds = false)
{
/* @var CarbonInterface $this */
return $checkMicroseconds
? $this->rawFormat('H:i:s.u') === '00:00:00.000000'
: $this->rawFormat('H:i:s') === '00:00:00';
}
/**
* Check if the instance is end of day.
*
* @example
* ```
* Carbon::parse('2019-02-28 23:59:59.999999')->isEndOfDay(); // true
* Carbon::parse('2019-02-28 23:59:59.123456')->isEndOfDay(); // true
* Carbon::parse('2019-02-28 23:59:59')->isEndOfDay(); // true
* Carbon::parse('2019-02-28 23:59:58.999999')->isEndOfDay(); // false
* Carbon::parse('2019-02-28 23:59:59.999999')->isEndOfDay(true); // true
* Carbon::parse('2019-02-28 23:59:59.123456')->isEndOfDay(true); // false
* Carbon::parse('2019-02-28 23:59:59')->isEndOfDay(true); // false
* ```
*
* @param bool $checkMicroseconds check time at microseconds precision
*
* @return bool
*/
public function isEndOfDay($checkMicroseconds = false)
{
/* @var CarbonInterface $this */
return $checkMicroseconds
? $this->rawFormat('H:i:s.u') === '23:59:59.999999'
: $this->rawFormat('H:i:s') === '23:59:59';
}
/**
* Check if the instance is start of day / midnight.
*
* @example
* ```
* Carbon::parse('2019-02-28 00:00:00')->isMidnight(); // true
* Carbon::parse('2019-02-28 00:00:00.999999')->isMidnight(); // true
* Carbon::parse('2019-02-28 00:00:01')->isMidnight(); // false
* ```
*
* @return bool
*/
public function isMidnight()
{
return $this->isStartOfDay();
}
/**
* Check if the instance is midday.
*
* @example
* ```
* Carbon::parse('2019-02-28 11:59:59.999999')->isMidday(); // false
* Carbon::parse('2019-02-28 12:00:00')->isMidday(); // true
* Carbon::parse('2019-02-28 12:00:00.999999')->isMidday(); // true
* Carbon::parse('2019-02-28 12:00:01')->isMidday(); // false
* ```
*
* @return bool
*/
public function isMidday()
{
/* @var CarbonInterface $this */
return $this->rawFormat('G:i:s') === static::$midDayAt.':00:00';
}
/**
* Checks if the (date)time string is in a given format.
*
* @example
* ```
* Carbon::hasFormat('11:12:45', 'h:i:s'); // true
* Carbon::hasFormat('13:12:45', 'h:i:s'); // false
* ```
*
* @SuppressWarnings(PHPMD.EmptyCatchBlock)
*
* @param string $date
* @param string $format
*
* @return bool
*/
public static function hasFormat($date, $format)
{
try {
// Try to create a DateTime object. Throws an InvalidArgumentException if the provided time string
// doesn't match the format in any way.
static::rawCreateFromFormat($format, $date);
// createFromFormat() is known to handle edge cases silently.
// E.g. "1975-5-1" (Y-n-j) will still be parsed correctly when "Y-m-d" is supplied as the format.
// To ensure we're really testing against our desired format, perform an additional regex validation.
// Preg quote, but remove escaped backslashes since we'll deal with escaped characters in the format string.
$quotedFormat = str_replace('\\\\', '\\', preg_quote($format, '/'));
// Build the regex string
$regex = '';
for ($i = 0; $i < strlen($quotedFormat); ++$i) {
// Backslash – the next character does not represent a date token so add it on as-is and continue.
// We're doing an extra ++$i here to increment the loop by 2.
if ($quotedFormat[$i] === '\\') {
$char = $quotedFormat[++$i];
$regex .= $char === '\\' ? '\\\\' : $char;
continue;
}
$regex .= strtr($quotedFormat[$i], static::$regexFormats);
}
return (bool) preg_match('/^'.str_replace('/', '\\/', $regex).'$/', $date);
} catch (InvalidArgumentException $e) {
}
return false;
}
/**
* Returns true if the current date matches the given string.
*
* @example
* ```
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2019')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2018')); // false
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2019-06')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('06-02')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2019-06-02')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('Sunday')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('June')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12:23')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12:23:45')); // true
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12:23:00')); // false
* var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12h')); // true
* var_dump(Carbon::parse('2019-06-02 15:23:45')->is('3pm')); // true
* var_dump(Carbon::parse('2019-06-02 15:23:45')->is('3am')); // false
* ```
*
* @param string $tester day name, month name, hour, date, etc. as string
*
* @return bool
*/
public function is(string $tester)
{
$tester = trim($tester);
if (preg_match('/^\d+$/', $tester)) {
return $this->year === intval($tester);
}
if (preg_match('/^\d{3,}-\d{1,2}$/', $tester)) {
return $this->isSameMonth(static::parse($tester));
}
if (preg_match('/^\d{1,2}-\d{1,2}$/', $tester)) {
return $this->isSameDay(static::parse($this->year.'-'.$tester));
}
$modifier = preg_replace('/(\d)h$/i', '$1:00', $tester);
/* @var CarbonInterface $max */
$median = static::parse('5555-06-15 12:30:30.555555')->modify($modifier);
$current = $this->copy();
/* @var CarbonInterface $other */
$other = $this->copy()->modify($modifier);
if ($current->eq($other)) {
return true;
}
if (preg_match('/\d:\d{1,2}:\d{1,2}$/', $tester)) {
return $current->startOfSecond()->eq($other);
}
if (preg_match('/\d:\d{1,2}$/', $tester)) {
return $current->startOfMinute()->eq($other);
}
if (preg_match('/\d(h|am|pm)$/', $tester)) {
return $current->startOfHour()->eq($other);
}
if (preg_match(
'/^(january|february|march|april|may|june|july|august|september|october|november|december)\s+\d+$/i',
$tester
)) {
return $current->startOfMonth()->eq($other->startOfMonth());
}
$units = [
'month' => [1, 'year'],
'day' => [1, 'month'],
'hour' => [0, 'day'],
'minute' => [0, 'hour'],
'second' => [0, 'minute'],
'microsecond' => [0, 'second'],
];
foreach ($units as $unit => [$minimum, $startUnit]) {
if ($median->$unit === $minimum) {
$current = $current->startOf($startUnit);
break;
}
}
return $current->eq($other);
}
}