Bug #72034 [Opn->Ver]: abstract classes' method compatibility is checked the other way round

Edit report at https://bugs.php.net/bug.php?id=72034&edit=1 ID: 72034 Updated by: krakjoe@php.net Reported by: youwishspambot at example dot org Summary: abstract classes' method compatibility is checked the other way round -Status: Open +Status: Verified Type: Bug Package: Scripting Engine problem PHP Version: 7.0.5 Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2016-04-15 17:42:58] youwishspambot at example dot org Description: ------------ https://3v4l.org/LKFbZ and it's a problem for optional parameters: Test script: --------------- interface AAA{ function method($x); } interface BBB extends AAA{ function method($x, $y = null); } // this works correctly: class AA_ implements AAA{ function method($x){} } class BB_ extends AA_ implements BBB{ function method($x, $y = null){} } (new BB_())->method(1, 1); // this doesn't: abstract class AAA_ implements AAA{} abstract class BBB_ extends AAA_ implements BBB{} // AAA::method is checked to be compatible against BBB::method, // while it should happen the opposite ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=72034&edit=1