3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A implements \DateTimeInterface { } new A();
Output for 7.1.0 - 7.3.0alpha1
Fatal error: DateTimeInterface can't be implemented by user classes in /in/jU6gJ on line 3
Process exited with code 255.
Output for hhvm-3.22.0
Fatal error: Uncaught Error: Class A contains abstract method (diff) and must therefore be declared abstract or implement the remaining methods in /in/jU6gJ:-1 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.18.5 - 3.21.3
Fatal error: Uncaught Error: Class A contains abstract method (diff) and must therefore be declared abstract or implement the remaining methods in /in/jU6gJ:3 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Fatal error: DateTimeInterface can't be implemented by user classes in /in/jU6gJ on line 4
Process exited with code 255.