DateTime::setDate

(PHP 5 >= 5.2.0, PHP 7)

Sets the date

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

Object oriented style

Procedural style

DateTime date_date_set ( DateTime $object , int $year , int $month , int $day )

Resets the current date of the DateTime object to a different 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.

Returns:

Returns the DateTime object for method chaining or FALSE on failure.

Changelog:

5.3.0

Changed the return value on success from NULL to DateTime.

Examples:

DateTime::setDate() example

Object oriented style

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

Procedural style

<?php
$date = date_create();
date_date_set($date, 2001, 2, 3);
echo date_format($date, 'Y-m-d');
?>

The above examples will output:

2001-02-03

Values exceeding ranges are added to their parent values

<?php
$date = new DateTime();

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

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

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

The above example will output:

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