DateTimeImmutable::__construct

date_create_immutable

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

DateTimeImmutable::__construct -- date_create_immutable — 新しい DateTimeImmutable オブジェクトを返す

説明

オブジェクト指向型

public DateTimeImmutable::__construct ( string $datetime = "now" , DateTimeZone|null $timezone = null )

手続き型

date_create_immutable ( string $datetime = "now" , DateTimeZone|null $timezone = null ) : DateTimeImmutable|false

DateTime::__construct() と似ていますが、 DateTimeImmutable で動作します。

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User Contributed Notes 1 note

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wangbuying at gmail dot com ¶

1 year ago


As the type of the first parameter is string, we can assign a relative date for it.
Example:

<?php
$immutable = new DateTimeImmutable('-1 year', new DateTimeZone('Asia/ShangHai'));
echo $immutable->format('Y-m-d H:i:s');
?>

It looks like the parameter of function strtotime and is very helpful for us to get an immutable relative DateTime object.

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