3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date = new \DateTime(); echo $date->format('W');
Output for 5.6.28, 7.0.12 - 7.1.0
06
Output for 7.0.6
20
Output for 5.5.34, 7.0.5
15
Output for 5.3.0 - 5.5.33, 5.6.0 - 5.6.19, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.4
10
Output for 5.6.21
18
Output for 5.6.20
14
Output for 5.5.35
21
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/bY97b on line 3 10
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/bY97b on line 3 Fatal error: Class 'DateTime' not found in /in/bY97b on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/bY97b on line 3 Fatal error: Cannot instantiate non-existent class: datetime in /in/bY97b on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/bY97b on line 3 Fatal error: Cannot instantiate non-existent class: datetime in /in/bY97b on line 3