PHP date_add() Function

Example

Add 100 days to October 15, 1980:

<?php
$date=date_create("1980-10-15");
date_add($date,date_interval_create_from_date_string("100 days"));
echo date_format($date,"Y-m-d");
?>

Run Example

Definition and Usage

The date_add() function adds days, months, years, hours, minutes, and seconds to a date.

Syntax

date_add(object,interval;
Parameter Description
object Required. Specifies date_create() The returned DateTime object.
interval Required. Specifies a DateInterval object.

Technical Details

Return Value: Returns a DateTime object on success, or FALSE on failure.
PHP Version: 5.3+