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DateTime::add

(PHP 5 >= 5.3.0)

DateTime::add -- date_add — Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object

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(PHP 5 >= 5.3.0)

DateTime::add -- date_add — Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object

public DateTime $object->add(DateInterval $interval)

$object:

$interval:

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Tip: You can change some values by clicking on it in the preview above.

public DateTime DateTime::add ( DateInterval $interval )

Adds the specified DateInterval object to the specified DateTime object.

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

Example #1 DateTime::add() example

Object oriented style


<?php
$date = new DateTime('2000-01-01');
$date->add(new DateInterval('P10D'));
echo $date->format('Y-m-d') . "\n";
?>

Procedural style


<?php
$date = date_create('2000-01-01');
date_add($date, date_interval_create_from_date_string('10 days'));
echo date_format($date, 'Y-m-d');
?>

The above examples will output:

2000-01-11

DateTime::modify() is an alternative when using PHP 5.2.