Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\wsdemo\vendor\nikic\php-parser\lib\PhpParser\BuilderFactory.php on line 1

Parse error: syntax error, unexpected 'namespace' (T_NAMESPACE), expecting identifier (T_STRING) in D:\xampp\htdocs\wsdemo\vendor\nikic\php-parser\lib\PhpParser\BuilderFactory.php on line 23