3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('2015-05-28'); var_dump($date->format('c')); $date->modify('monday this week midnight'); var_dump($date->format('c')); $date = new DateTime('2015-05-28'); var_dump($date->format('c')); $date->modify('monday last week midnight'); var_dump($date->format('c'));
based on QuSu6
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.26, 7.4.0 - 7.4.14, 8.0.0
string(25) "2015-05-28T00:00:00+02:00" string(25) "2015-05-25T00:00:00+02:00" string(25) "2015-05-28T00:00:00+02:00" string(25) "2015-05-18T00:00:00+02:00"
Output for 5.2.0 - 5.2.17
string(25) "2015-05-28T00:00:00+02:00" string(25) "2015-06-01T00:00:00+02:00" string(25) "2015-05-28T00:00:00+02:00" string(25) "2015-05-25T00:00:00+02:00"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/MeDGO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/MeDGO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/MeDGO on line 3