Warning: Unsupported declare 'strict_types' in /var/www/devel/md/product-db/vendor/endroid/qr-code/src/Label/Margin/Margin.php on line 3

Parse error: syntax error, unexpected 'readonly' (T_STRING), expecting class (T_CLASS) in /var/www/devel/md/product-db/vendor/endroid/qr-code/src/Label/Margin/Margin.php on line 7