Online PHP editor | output for dLgFf

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, class Test does not have a method "cube()" in /in/dLgFf:11 Stack trace: #0 /in/dLgFf(11): array_map('Test::cube()', Array) #1 {main} thrown in /in/dLgFf on line 11
Process exited with code 255.
Output for 8.0.0 - 8.0.30: Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback, class Test does not have a method "cube()" in /in/dLgFf:11 Stack trace: #0 /in/dLgFf(11): array_map('Test::cube()', Array) #1 {main} thrown in /in/dLgFf on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33: Warning: array_map() expects parameter 1 to be a valid callback, class 'Test' does not have a method 'cube()' in /in/dLgFf on line 11
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Warning: array_map(): The first argument, 'Test::cube()', should be either NULL or a valid callback in /in/dLgFf on line 11
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/dLgFf on line 4
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/dLgFf on line 4
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/dLgFf on line 4
Process exited with code 255.