date_sub
Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object
Syntax
date_sub ( 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 interval
<?
$object = date_create();
$interval = date_interval_create_from_date_string("1 year 1 month 1 week 1 day 1 hour 1 minute 1 second");
date_sub($object, $interval);
echo date_format($object, "Y-m-d H:i:s");
?>
2020-03-15 08:18:35
Return
<?
$object = date_create();
$interval = date_interval_create_from_date_string("1 year 1 month 1 week 1 day 1 hour 1 minute 1 second");
$return = date_sub($object, $interval);
echo date_format($return, "Y-m-d H:i:s");
?>
2020-03-15 08:18:35