3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $di1 = new DateTimeImmutable('now'); $di2 = new DateTimeImmutable('+1 hour'); $di1->diff($di2); // DateInterval -1H
Output for 5.5.8 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 5.5.0 - 5.5.7
Fatal error: DateTime::diff() must be derived from DateTimeImmutable::diff in Unknown on line 0
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/FecNT on line 3
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/FecNT on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetimeimmutable in /in/FecNT 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/FecNT on line 3