3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface A { public function a(); } interface B extends A { public function b(); } class Base implements B { public function a() {} } class Derived extends Base implements A { public function a() {} }
based on UYoYo
Output for 7.0.0 - 7.2.0
Fatal error: Class Base contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (B::b) in /in/UjbGv on line 11
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Class Base contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (B::b) in /in/UjbGv on line 13
Process exited with code 255.