3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dt = new \DateTime('2016-01-01'); $olderDt = (clone $dt)->sub(new \DateInterval('P1D')); print_r($dt); print_r($olderDt);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.2.19, 8.3.0 - 8.3.7
DateTime Object ( [date] => 2016-01-01 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam ) DateTime Object ( [date] => 2015-12-31 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.3.32 - 7.3.33, 8.0.13
DateTime Object ( [date] => 2016-01-01 00:00:00.000000 [timezone_type] => 3 [timezone] => UTC ) DateTime Object ( [date] => 2015-12-31 00:00:00.000000 [timezone_type] => 3 [timezone] => UTC )
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in /in/rb8AV on line 4
Process exited with code 255.
preferences:
199.62 ms | 402 KiB | 295 Q