DateTimeImmutable::setDate

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

DateTimeImmutable::setDate — Sets the date

Description

public DateTimeImmutable::setDate(int $year, int $month, int $day): DateTimeImmutable

Returns a new DateTimeImmutable object with the current date of the DateTimeImmutable object set to the given date.

Parameters

object: Procedural style only: A DateTime object returned by date_create(). The function modifies this object.
year: Year of the date.
month: Month of the date.
day: Day of the date.

Return Values

Returns a new DateTimeImmutable object with the modified data.

Examples

Example #1 DateTimeImmutable::setDate() example

Object-oriented style

<?php
$date = new DateTimeImmutable();
$newDate = $date->setDate(2001, 2, 3);
echo $newDate->format('Y-m-d');
?>

The above examples will output:

2001-02-03

Example #2 Values exceeding ranges are added to their parent values

<?php
$date = new DateTimeImmutable();

$newDate = $date->setDate(2001, 2, 28);
echo $newDate->format('Y-m-d') . "\n";

$newDate = $date->setDate(2001, 2, 29);
echo $newDate->format('Y-m-d') . "\n";

$newDate = $date->setDate(2001, 14, 3);
echo $newDate->format('Y-m-d') . "\n";
?>

The above example will output:

2001-02-28
2001-03-01
2002-02-03

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