Содержание
date_diff
Возвращает разницу между двумя DateTimeInterface объектами.
Список параметров
Дата и время для сравнения.
Используется, чтобы вернуть абсолютную разницу.
Возвращаемые значения
DateInterval объект представляет разницу между двумя датами или FALSE в случае возникновения ошибки.
Примеры
Пример #1 Пример использования DateTime::diff()
$datetime1 = new DateTime ( ‘2009-10-11’ );
$datetime2 = new DateTime ( ‘2009-10-13’ );
$interval = $datetime1 -> diff ( $datetime2 );
echo $interval -> format ( ‘%R%a дней’ );
?>
$datetime1 = date_create ( ‘2009-10-11’ );
$datetime2 = date_create ( ‘2009-10-13’ );
$interval = date_diff ( $datetime1 , $datetime2 );
echo $interval -> format ( ‘%R%a дней’ );
?>
Результат выполнения данных примеров:
Пример #2 Сравнение объектов DateTime
Замечание:
В PHP 5.2.2 объекты DateTime сравнивались при помощи операторов сравнения.
$date1 = new DateTime ( «now» );
$date2 = new DateTime ( «tomorrow» );
var_dump ( $date1 == $date2 );
var_dump ( $date1 < $date2 );
var_dump ( $date1 > $date2 );
?>
Результат выполнения данного примера:
bool(false) bool(true) bool(false)
Смотрите также
- DateInterval::format() — Форматирует интервал
- DateTime::add() — Добавляет заданное количество дней, месяцев, лет, часов, минут и секунд к объекту DateTime
- DateTime::sub() — Вычитает заданное количество дней, месяцев, лет, часов, минут и секунд из времени объекта DateTime
PHP date_diff() Function
The date_diff() function returns the difference between two DateTime objects.
Syntax
Parameter Values
| Parameter | Description |
|---|---|
| datetime1 | Required. Specifies a DateTime object |
| datetime2 | Required. Specifies a DateTime object |
| absolute | Optional. Specifies a Boolean value. TRUE indicates that the interval/difference MUST be positive. Default is FALSE |
Technical Details
| Return Value: | Returns a DateInterval object on success that represents the difference between the two dates. FALSE on failure |
|---|---|
| PHP Version: | 5.3+ |
❮ PHP Date/Time Reference
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