Online PHP editor | output for ntCr7

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Fatal error: Uncaught TypeError: Cannot assign int to property Sorter::$data of type array in /in/ntCr7:5 Stack trace: #0 /in/ntCr7(9): Sorter->__construct(Array) #1 {main} thrown in /in/ntCr7 on line 5
Process exited with code 255.
Output for 7.4.3 - 7.4.33: Fatal error: Uncaught TypeError: Typed property Sorter::$data must be array, int used in /in/ntCr7:5 Stack trace: #0 /in/ntCr7(9): Sorter->__construct(Array) #1 {main} thrown in /in/ntCr7 on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.17, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33: Parse error: syntax error, unexpected 'array' (T_ARRAY), expecting function (T_FUNCTION) or const (T_CONST) in /in/ntCr7 on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.30: Parse error: syntax error, unexpected 'array' (T_ARRAY), expecting variable (T_VARIABLE) in /in/ntCr7 on line 3
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 T_ARRAY, expecting T_VARIABLE in /in/ntCr7 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_ARRAY, expecting T_VARIABLE in /in/ntCr7 on line 3
Process exited with code 255.
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/ntCr7 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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ntCr7 on line 3
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/ntCr7 on line 3
Process exited with code 255.