DateTimeImmutable::setTime

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

DateTimeImmutable::setTime — Sets the time

Description

public DateTimeImmutable::setTime(
    int $hour,
    int $minute,
    int $second = 0,
    int $microsecond = 0
): DateTimeImmutable

Returns a new DateTimeImmutable object with the time set to the given time.

Parameters

hour: Hour of the time.
minute: Minute of the time.
second: Second of the time.
microsecond: Microsecond of the time.

Return Values

Returns a new DateTimeImmutable object with the modified data.

Changelog

Version	Description
8.1.0	The behaviour with double existing hours (during the fall-back DST transition) changed. Previously PHP would pick the second occurrence (after the DST transition), instead of the first occurrence (before DST transition).
7.1.0	The `microsecond` parameter was added.

Examples

Example #1 DateTimeImmutable::setTime() example

Object-oriented style

<?php
$date = new DateTimeImmutable('2001-01-01');

$newDate = $date->setTime(14, 55);
echo $newDate->format('Y-m-d H:i:s') . "\n";

$newDate = $date->setTime(14, 55, 24);
echo $newDate->format('Y-m-d H:i:s') . "\n";
?>

The above examples will output something similar to:

2001-01-01 14:55:00
2001-01-01 14:55:24

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

<?php
$date = new DateTimeImmutable('2001-01-01');

$newDate = $date->setTime(14, 55, 24);
echo $newDate->format('Y-m-d H:i:s') . "\n";

$newDate = $date->setTime(14, 55, 65);
echo $newDate->format('Y-m-d H:i:s') . "\n";

$newDate = $date->setTime(14, 65, 24);
echo $newDate->format('Y-m-d H:i:s') . "\n";

$newDate = $date->setTime(25, 55, 24);
echo $newDate->format('Y-m-d H:i:s') . "\n";
?>

The above example will output:

2001-01-01 14:55:24
2001-01-01 14:56:05
2001-01-01 15:05:24
2001-01-02 01:55:24

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