3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface I{} trait T{ function t(){} } function a(): T { return new class implements I{ use T; }; }
based on NrYJR
Output for hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected ':', expecting '{' in /in/sasJ2 on line 9
Process exited with code 255.