3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface Foo { function yes(); } abstract class Bar implements Foo { } class Baz extends Bar { }
based on XOWkp
Output for 5.0.5 - 5.2.17, 7.0.0 - 7.1.0
Fatal error: Class Baz contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Foo::yes) in /in/u4t2P on line 8
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Fatal error: Class Baz contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Foo::yes) in /in/u4t2P on line 9
Process exited with code 255.
Output for 5.0.2 - 5.0.4
Fatal error: Class Baz contains 1 abstract methods and must therefore be declared abstract (Foo::yes) in /in/u4t2P on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.1
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/u4t2P on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/u4t2P on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/u4t2P on line 2
Process exited with code 255.