DateTimeImmutable
PHP Manual

DateTimeImmutable::__construct

date_create_immutable

(PHP 5 >= 5.5.0)

DateTimeImmutable::__construct -- date_create_immutable — Returns new DateTimeImmutable object

说明

面向对象风格

public DateTimeImmutable::__construct ([ string $time = "now" [, DateTimeZone $timezone = NULL ]] )

过程化风格

DateTimeImmutable date_create_immutable ([ string $time = "now" [, DateTimeZone $timezone = NULL ]] )

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

DateTimeImmutable
PHP Manual