3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { public function a(); } interface B { public function b(); } class Base implements A, B { public function a() {} public function b() {} } class Derived extends Base implements B { public function b() {} }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 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
preferences:
162.51 ms | 404 KiB | 212 Q