3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?hh class I { } new B(); class B implements I {}
based on GDONO
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.7
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/Q01WJ on line 2
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: Class undefined: B in /in/Q01WJ:3 Stack trace: #0 {main}
Process exited with code 255.