3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php trait f { abstract function foo(); } class c{ use f; }
Output for 7.0.0 - 7.2.0
Fatal error: Class c contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (c::foo) in /in/5QTGp on line 7
Process exited with code 255.
Output for 5.4.9 - 5.6.28
Fatal error: Class c contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (c::foo) in /in/5QTGp on line 9
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/5QTGp on line 3
Process exited with code 255.