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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, $y = null){ echo "lol"; } } (new BB_())->method(10,10); // this doesn't: abstract class AAA_ implements AAA{} abstract class BBB_ extends AAA_ implements BBB{}
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
lol Fatal error: Declaration of AAA::method($x) must be compatible with BBB::method($x, $y = null) in /in/LBY4s on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.33
lol Fatal error: Declaration of AAA::method($x) must be compatible with BBB::method($x, $y = NULL) in /in/LBY4s on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
lol Fatal error: Declaration of AAA::method($x) must be compatible with BBB::method($x, $y = NULL) in /in/LBY4s on line 19
Process exited with code 255.
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
lol Fatal error: Declaration of AAA::method() must be compatible with BBB::method($x, $y = NULL) in /in/LBY4s on line 19
Process exited with code 255.
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