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<?php interface a { function m($a = null); } class b implements a { function m($b) { } }
Output for 8.5.0 - 8.5.3
Fatal error: Declaration of b::m($b) must be compatible with a::m($a = null) in /in/djbO7 on line 8 Stack trace: #0 {main}
Process exited with code 255.
Output for 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 b::m($b) must be compatible with a::m($a = null) in /in/djbO7 on line 8
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Declaration of b::m($b) must be compatible with a::m($a = NULL) in /in/djbO7 on line 8
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of b::m($b) must be compatible with a::m($a = NULL) in /in/djbO7 on line 7
Process exited with code 255.
Output for 5.6.0 - 5.6.29
Fatal error: Declaration of b::m() must be compatible with a::m($a = NULL) in /in/djbO7 on line 7
Process exited with code 255.

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