Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\flutter_api\vendor\kreait\firebase-php\src\Firebase\Database\RuleSet.php on line 3

Parse error: syntax error, unexpected 'default' (T_DEFAULT), expecting identifier (T_STRING) in D:\xampp\htdocs\flutter_api\vendor\kreait\firebase-php\src\Firebase\Database\RuleSet.php on line 32