Php/docs/datetimeimmutable.sub

• PHP Manual
• DateTimeImmutable
• Subtracts an amount of days, months, years, hours, minutes and seconds

DateTimeImmutable::sub

(PHP 5 >= 5.5.0, PHP 7)

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

说明

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

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