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<?php interface Test { public function check(Test $x); } interface TestStrict extends Test { public function checkStrict(TestStrict $x); } class Foo implements TestStrict { //ok, exact match public function checkStrict(TestStrict $x) {} //fail, but TestStrict > Test I.e. //if $x fullfills TestStrict, it 100% satisfy Test too. //so - why? public function check(TestStrict $x) {} }
Output for 8.5.0 - 8.5.3
Fatal error: Declaration of Foo::check(TestStrict $x) must be compatible with Test::check(Test $x) in /in/atOaH on line 20 Stack trace: #0 {main}
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Fatal error: Declaration of Foo::check(TestStrict $x) must be compatible with Test::check(Test $x) in /in/atOaH on line 20
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, 7.3.12 - 7.3.33
Fatal error: Declaration of Foo::check(TestStrict $x) must be compatible with Test::check(Test $x) in /in/atOaH on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Fatal error: Declaration of Foo::check() must be compatible with Test::check(Test $x) in /in/atOaH on line 14
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Declaration of Foo::check() must be compatible with that of Test::check() in /in/atOaH on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Declaration of Foo::check() must be compatible with that of Test::check() in /in/atOaH on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/atOaH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/atOaH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/atOaH on line 3
Process exited with code 255.
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