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<?php interface AAA{ function method($x); } interface BBB extends AAA{ function method($x, $y = null); } // this works: class AA_ implements AAA{ function method($x){} } class BB_ extends AA_ implements BBB{ function method($x, $y = null){ echo "lol"; } } (new BB_())->method(10,10); // this doesn't: abstract class AAA_ implements AAA{} abstract class BBB_ extends AAA_ implements BBB{}
Output for git.master, git.master_jit, rfc.property-hooks
lol Fatal error: Declaration of AAA::method($x) must be compatible with BBB::method($x, $y = null) in /in/LBY4s on line 4
Process exited with code 255.

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