Online PHP editor | output for 7uiLN

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
Output for 7.4.0 - 7.4.33: Warning: Declaration of FlowException::__construct($message, $code = 'default', $context = Array) should be compatible with NormalizedException::normalizedConstructor(string $normalizedMessage, array $messageContext = Array, int $code = 0, ?Throwable $previous = NULL) in /in/7uiLN on line 24
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33: Warning: Declaration of NormalizedExceptionTrait::normalizedConstructor(string $normalizedMessage, array $messageContext = Array, int $code = 0, ?Throwable $previous = NULL) should be compatible with Exception::__construct($message = NULL, $code = NULL, $previous = NULL) in /in/7uiLN on line 13
Output for 7.0.0 - 7.0.33: Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in /in/7uiLN on line 8
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: Default value for parameters with a class type hint can only be NULL in /in/7uiLN on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected T_STRING in /in/7uiLN 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, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_STRING in /in/7uiLN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/7uiLN on line 3
Process exited with code 255.