gistfile1.php

<?php
namespace Application\Form\Fieldset;

use Zend\Form\Fieldset as ZendFieldset;
use Application\Model\User as ModelUser;
use Zend\Stdlib\Hydrator\ClassMethods as ClassMethodsHydrator;
use Zend\InputFilter\InputFilterProviderInterface;

class User extends ZendFieldset implements  InputFilterProviderInterface
{
    public function __construct($name = null, $options = array())
    {
        parent::__construct('user');

        $this->setHydrator(new ClassMethodsHydrator());
        $this->setObject(new ModelUser());

        $this->add(array(
            'name' => 'name',
            'options' => array(
                'label' => 'User name',
            ),
            'attributes' => array(
                'type'  => 'text',
            ),
        ));
    }


    // I want add some basic filters here too
    public function getInputFilterSpecification()
    {
        return array(
            'name' => array(
                'filters'  => array(
                    array('name' => 'Zend\Filter\StringTrim'),
                ),
            ),
        );
    }
}