Warning: Unsupported declare 'strict_types' in C:\xampp\htdocs\esales2\vendor\sebastian\diff\src\Output\UnifiedDiffOutputBuilder.php on line 1

Fatal error: Default value for parameters with a class type hint can only be NULL in C:\xampp\htdocs\esales2\vendor\sebastian\diff\src\Output\UnifiedDiffOutputBuilder.php on line 28