Subtract 40 days from March 15, 2013.
| <?php $date=date_create(“2013-03-15”); date_sub($date,date_interval_create_from_date_string(“40 days”)); echo date_format($date,“Y-m-d”); ?> |
The date_sub() function subtracts days, months, years, hours, minutes, and seconds from a date.
| date_sub(object, interval) |
|
Parameter |
Description |
|
object |
Required. Specifies a DateTime object created by date_create(). |
|
interval |
Required. Specifies a DateInterval object. |
|
Return Value: |
Returns a DateTime object on success. FALSE on failure |
|
PHP Version: |
5.3+ |