Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object
Syntax
date_add ( DateTime $object , DateInterval $interval ) : DateTime
Parameters
object
A DateTime object returned by date_create(). The function modifies this object.
interval
A DateInterval object
Return
Returns the DateTime object for method chaining or FALSE on failure.
Examples
<?
$object = date_create('2001-01-01');
$interval = date_interval_create_from_date_string('1 year 1 month 1 day');
$return = date_add($object, $interval);
echo date_format($object, 'Y-m-d') . PHP_EOL;
echo date_format($return, 'Y-m-d');
?>
2002-02-02 2002-02-02
