Input def sample

bug.php

<?php
$inputFilter = $form->getInputFilter();
$spec = array(
    'name' => 'an_element_name',
    'required' => true,
    'filters' => array(
        array('name' => 'Zend\Filter\StringTrim'),
    ),
    'validators' => array(
        array(
            'name' => 'NotEmpty',
            'break_chain_on_failure' => true,
            'options' => array(
                'translatorTextDomain' => 'foo_translate_scope',
                'message' => 'hole message',
            ),
        ),
    ),
);
$inputFilter->add($spec, 'an_element_name');