gistfile1.php

<?php

namespace Admin\Form\Blog;

use Zend\Form\Form;
use Zend\Stdlib\Hydrator\ObjectProperty;

class Article extends Form
{
    public function __construct($entityManager, $name = 'blog-article')
    {
        parent::__construct($name);

        $this->setHydrator(new ObjectProperty());

        $articleFieldset = new ArticleFieldset($entityManager);
        $articleFieldset->setOptions(array('use_as_base_fieldset' => true));
        $this->add($articleFieldset);

        $this->add(
            array(
                 'type' => 'Zend\Form\Element\Csrf',
                 'name' => 'csrf',
            )
        );

        $this->add(
            array(
                 'type'       => 'Zend\Form\Element\Submit',
                 'name'       => 'submit',
                 'attributes' => array(
                     'value' => 'Create',
                     'class' => 'btn btn-primary',
                 ),
            )
        );

        $this->setValidationGroup(
            array(
                 'csrf',
                 'article' => array(
                     'date',
                     'content',
                     'title',
                     'category',
                     'state',
                 )
            )
        );
    }
}