- var_dump: documentation ( source)
<?php $end = DateTime::createFromFormat('Y-m-d H:i:s', '2015-03-29 03:00:00');
var_dump($end);
var_dump($end->modify('-15minutes'));
?>
object(DateTime)#1 (3) {
["date"]=>
string(19) "2015-03-29 03:00:00"
["timezone_type"]=>
int(3)
["timezone"]=>
string(13) "Europe/Warsaw"
}
object(DateTime)#1 (3) {
["date"]=>
string(19) "2015-03-29 03:45:00"
["timezone_type"]=>
int(3)
["timezone"]=>
string(13) "Europe/Warsaw"
}