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<?php class ClassWithConstants { const A = ['a'=>1, 'b'=>2, 'c' =>3]; } sort(ClassWithConstants::A); var_dump(ClassWithConstants::A);
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: sort(): Argument #1 ($array) could not be passed by reference in /in/NjdUv:7 Stack trace: #0 {main} thrown in /in/NjdUv on line 7
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18
Fatal error: Uncaught Error: sort(): Argument #1 ($array) cannot be passed by reference in /in/NjdUv:7 Stack trace: #0 {main} thrown in /in/NjdUv on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.34
Fatal error: Arrays are not allowed in class constants in /in/NjdUv on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/NjdUv on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/NjdUv on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NjdUv on line 5
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NjdUv on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/NjdUv on line 5
Process exited with code 255.

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