DateTime
PHP Manual

DateTime::sub

(PHP 5 >= 5.3.0)

DateTime::sub Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object

Description

public DateTime DateTime::sub ( DateInterval $interval )
DateTime date_sub ( DateTime $object , DateInterval $interval )

Subtracts the specified DateInterval object from the specified DateTime object.

Parameters

object

Procedural style only: A DateTime object returned by date_create()

interval

A DateInterval object

Return Values

Returns the modified DateTime.

Examples

Example #1 date_sub() example

<?php

$date 
= new DateTime("18-July-2008 16:30:30");
echo 
$date->format("d-m-Y H:i:s").'<br />';

date_sub($date, new DateInterval("P5D"));
echo 
'<br />'.$date->format("d-m-Y").' : 5 Days';

date_sub($date, new DateInterval("P5M"));
echo 
'<br />'.$date->format("d-m-Y").' : 5 Months';

date_sub($date, new DateInterval("P5Y"));
echo 
'<br />'.$date->format("d-m-Y").' : 5 Years';

date_sub($date, new DateInterval("P5Y5M5D"));
echo 
'<br />'.$date->format("d-m-Y").' : 5 Days, 5 Months, 5 Years';

date_sub($date, new DateInterval("P5YT5H"));
echo 
'<br />'.$date->format("d-m-Y H:i:s").' : 5 Years, 5 Hours';

?>

See Also


DateTime
PHP Manual