= 5.5.0, PHP 7, PHP 8)DateTimeImmutable::sub — Subtracts an amount of days, months, years, hours, minutes and seconds 說明">

DateTimeImmutable::sub

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

DateTimeImmutable::sub — Subtracts an amount of days, months, years, hours, minutes and seconds

說明

public DateTimeImmutable::sub(DateInterval $interval): DateTimeImmutable

Like DateTime::sub() but works with DateTimeImmutable.