3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $now = new Datetime(); $now = $now->modify('-1 month'); $now = date_format($now, "m"); echo $now;
based on EVLHK
Output for 5.3.0 - 5.4.32, 5.6.28, 7.0.14 - 7.1.0
09
Output for 5.5.24, 5.5.35, 5.6.21, 7.0.6
04
Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, hhvm-3.10.0, 7.0.5
03
Output for 5.4.34 - 5.4.38, 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, hhvm-3.12.0, 7.0.0 - 7.0.4
02
Output for 5.4.45
08
Output for 5.4.39 - 5.4.44
07
Output for 5.2.0 - 5.2.17
Warning: date_format() expects parameter 1 to be DateTime, null given in /in/4OjOD on line 5
Output for 5.0.0 - 5.1.6
Fatal error: Class 'Datetime' not found in /in/4OjOD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/4OjOD on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/4OjOD on line 2