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<?php interface a { public function foo(); } interface b extends a { public function baz(Baz $baz); } // This will work class c implements b { public function foo() { } public function baz(Baz $baz) { } } // This will not work and result in a fatal error class d implements b { public function foo() { } public function baz(Foo $foo) { } }
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 - 8.3.6
Fatal error: Could not check compatibility between d::baz(Foo $foo) and b::baz(Baz $baz), because class Baz is not available in /in/GWmRK on line 32
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of d::baz(Foo $foo) must be compatible with b::baz(Baz $baz) in /in/GWmRK on line 26
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Declaration of d::baz() must be compatible with b::baz(Baz $baz) in /in/GWmRK on line 27
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Declaration of d::baz() must be compatible with that of b::baz() in /in/GWmRK on line 27
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 d::baz() must be compatible with that of b::baz() in /in/ADIHs on line 26
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/ADIHs on line 3
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/ADIHs on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ADIHs on line 3
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_STRING in /in/GWmRK on line 3
Process exited with code 255.

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