Zend Framework 2 - Integer Form Validation

Question

I\'ve got the following problem. I wrote (based on the tutorial) a form validation. The text fields work just fine but the integer field behave odd.

This is my validator

Answer 1

 array(
                        'name' => 'not_empty',
                    ),
                    array(
                        'name' => 'Digits',
                    ), array(
                        'name' => 'Between',
                        'options' => array(
                            'min' => 0,
                            'max' => 1,
                        ),
                    ),