3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = new DateTimeImmutable(); sleep(1); $b = new DateTimeImmutable(); echo $a < $b ? 'je' : 'neni';
Output for 5.5.4 - 7.1.0
je
Output for 5.5.0 - 5.5.3
neni
Output for 5.0.0 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/0vYUD on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetimeimmutable in /in/0vYUD on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetimeimmutable in /in/0vYUD on line 3