3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?hh abstract class A { } class B extends A { } new D(); class D extends B { }
based on NFMnI
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.7
Parse error: syntax error, unexpected 'abstract' (T_ABSTRACT) in /in/X7I2n on line 2
Process exited with code 255.
Output for hhvm-3.15.4