3v4l.org

run code in 300+ PHP versions simultaneously
<?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() {} }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
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 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
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.

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