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<?php interface OriginalContract { } interface MoreSpecificContract extends OriginalContract { } interface BazInterface { public function baz(OriginalContract $item); } class Foo implements BazInterface { public function baz(OriginalContract $item) {} } class Bar implements BazInterface { public function baz(MoreSpecificContract $item) {} } /* I actually want Bar to accept only instances of MoreSpecificContract Since it extends OriginalContract, it should be valid imho The only way I can now do this is class Bar extends Foo { public function baz(OriginalContract $item) { if (($item instanceof MoreSpecificContract) === false) { throw new Exception("Expected something more specific"); } // do some more specific stuff } } */
Output for 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 - 8.3.4, 8.3.6
Fatal error: Declaration of Bar::baz(MoreSpecificContract $item) must be compatible with BazInterface::baz(OriginalContract $item) in /in/7gAPj on line 23
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Declaration of Bar::baz(MoreSpecificContract $item) must be compatible with BazInterface::baz(OriginalContract $item) in /in/7gAPj on line 23
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of Bar::baz(MoreSpecificContract $item) must be compatible with BazInterface::baz(OriginalContract $item) in /in/7gAPj on line 21
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Declaration of Bar::baz() must be compatible with BazInterface::baz(OriginalContract $item) in /in/7gAPj on line 22
Process exited with code 255.
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