The:method:`Type::getBuiltinType() <Symfony\\Component\\PropertyInfo\\Type::getBuiltinType>`

method will return the built-in PHP data type, which can be one of 9 possible

string values: ``array``, ``bool``, ``callable``, ``float``, ``int``, ``null``,

``object``, ``resource``or ``string``.

``object``, ``resource``, ``string``or ``iterable``.

Constants inside the:class:`Symfony\\Component\\PropertyInfo\\Type`

class, in the form ``Type::BUILTIN_TYPE_*``, are provided for convenience.