Comment.php

<?php
namespace Application\Model;

use Zend\InputFilter\Factory as InputFactory;
use Zend\InputFilter\InputFilter;
use Zend\InputFilter\InputFilterAwareInterface;
use Zend\InputFilter\InputFilterInterface;
use Core\Model\Entity;

/**
 * Entidade Comment
 * 
 * @category Application
 * @package Model
 */
class Comment extends Entity
{
    /**
     * Nome da tabela. Campo obrigatório
     * @var string
     */
    protected $tableName ='comments';

    /**
     * @var int
     */
    protected $id;

    /**
     * @var int
     */
    protected $post_id;

    /**
     * @var string
     */
    protected $description;
    
    /**
     * @var string
     */
    protected $name;

    /**
     * @var string
     */
    protected $email;

    /**
     * @var string
     */
    protected $webpage;

    /**
     * @var datetime
     */
    protected $comment_date;


    /**
     * Configura os filtros dos campos da entidade
     *
     * @return Zend\InputFilter\InputFilter
     */
    public function getInputFilter()
    {
        if (!$this->inputFilter) {
            $inputFilter = new InputFilter();
            $factory     = new InputFactory();

            $inputFilter->add($factory->createInput(array(
                'name'     => 'id',
                'required' => true,
                'filters'  => array(
                    array('name' => 'Int'),
                ),
            )));

            $inputFilter->add($factory->createInput(array(
                'name'     => 'post_id',
                'required' => true,
                'filters'  => array(
                    array('name' => 'Int'),
                ),
            )));

            $inputFilter->add($factory->createInput(array(
                'name'     => 'description',
                'required' => true,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim'),
                ),
            )));

            $inputFilter->add($factory->createInput(array(
                'name'     => 'email',
                'required' => true,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim'),
                ),
                'validators' => array(
                    array(
                        'name'    => 'EmailAddress',
                    ),
                ),
            )));

            $inputFilter->add($factory->createInput(array(
                'name'     => 'name',
                'required' => true,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim'),
                ),
                'validators' => array(
                    array(
                        'name'    => 'StringLength',
                        'options' => array(
                            'encoding' => 'UTF-8',
                            'min'      => 1,
                            'max'      => 100,
                        ),
                    ),
                ),
            )));

            $inputFilter->add($factory->createInput(array(
                'name'     => 'webpage',
                'required' => true,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim'),
                ),
                'validators' => array(
                    array(
                        'name'    => 'StringLength',
                        'options' => array(
                            'encoding' => 'UTF-8',
                            'min'      => 1,
                            'max'      => 200,
                        ),
                    ),
                ),
            )));

            $inputFilter->add($factory->createInput(array(
                'name'     => 'comment_date',
                'required' => false,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim'),
                ),
            )));

            $this->inputFilter = $inputFilter;
        }

        return $this->inputFilter;
    }
}