3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (new DateTimeImmutable())->modify('+8 days')->modify('today'); print_r($a);
Output for 5.6.28, 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
DateTimeImmutable Object ( [date] => 2015-11-12 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.3.32 - 7.3.33, 8.0.13
DateTimeImmutable Object ( [date] => 2015-11-12 00:00:00.000000 [timezone_type] => 3 [timezone] => UTC )
Output for 7.0.6
DateTimeImmutable Object ( [date] => 2016-05-11 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.5
DateTimeImmutable Object ( [date] => 2016-04-11 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.4
DateTimeImmutable Object ( [date] => 2016-03-18 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.3
DateTimeImmutable Object ( [date] => 2016-03-26 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.2
DateTimeImmutable Object ( [date] => 2016-03-31 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.1
DateTimeImmutable Object ( [date] => 2016-04-01 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.0
DateTimeImmutable Object ( [date] => 2016-04-04 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.21
DateTimeImmutable Object ( [date] => 2016-05-10 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.20
DateTimeImmutable Object ( [date] => 2016-04-18 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.19
DateTimeImmutable Object ( [date] => 2016-03-16 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.18
DateTimeImmutable Object ( [date] => 2016-03-23 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.17
DateTimeImmutable Object ( [date] => 2016-03-27 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.16
DateTimeImmutable Object ( [date] => 2016-04-05 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.15
DateTimeImmutable Object ( [date] => 2016-04-06 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.14
DateTimeImmutable Object ( [date] => 2016-04-10 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.13
DateTimeImmutable Object ( [date] => 2016-04-23 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.12
DateTimeImmutable Object ( [date] => 2016-04-28 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.11
DateTimeImmutable Object ( [date] => 2016-05-02 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.10
DateTimeImmutable Object ( [date] => 2016-05-03 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.9
DateTimeImmutable Object ( [date] => 2016-05-05 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.8
DateTimeImmutable Object ( [date] => 2016-05-08 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.35
DateTimeImmutable Object ( [date] => 2016-05-30 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.34
DateTimeImmutable Object ( [date] => 2016-04-19 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.33
DateTimeImmutable Object ( [date] => 2016-03-17 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.32
DateTimeImmutable Object ( [date] => 2016-03-25 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.31
DateTimeImmutable Object ( [date] => 2016-03-29 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.30
DateTimeImmutable Object ( [date] => 2016-04-09 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.29
DateTimeImmutable Object ( [date] => 2016-04-25 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.28
DateTimeImmutable Object ( [date] => 2016-04-29 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.27
DateTimeImmutable Object ( [date] => 2016-04-30 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.26
DateTimeImmutable Object ( [date] => 2016-05-04 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.25
DateTimeImmutable Object ( [date] => 2016-05-06 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.24
DateTimeImmutable Object ( [date] => 2016-06-01 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )

preferences:
227.47 ms | 401 KiB | 214 Q