Zend\Form is a complete rewrite of
Zend_Form. You won’t find much that is backwards compatible in there. Compared to its predecessor,
Zend\Form offers a clear separation of concerns. As a consequence, filtering and validating form values have been separated out into
Zend\InputFilter takes care of both filtering and validating, while displaying forms is taken care of by a set of dedicated view helpers found in the
With Zend Framework 1, you could use
Zend_Form in two ways, depending on whether you liked the decorator system. In the former case, you would only use very few decorators (the
View_Helper being the absolute minimum). In the latter case, you might even have built your own decorator ...