ZF2 & DoctrineModule: Submitting a form with AJAX.

Controller.php

<?php
public function createAction()
{
    $objectManager = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');
    $form = new \Admin\Form\RegisterForm($objectManager);
    $register = new \Admin\Entity\Register();
    $form->bind($register);

    $viewmodel = new ViewModel();
    $viewmodel->setTerminal($this->getRequest()->isXmlHttpRequest());
    $viewmodel->setVariables(array('form' => $form));
    return $viewmodel;
}
public function saveAction()
{
    $objectManager = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');

    $form = new \Admin\Form\RegisterForm($objectManager);
    $register = new \Admin\Entity\Register();
    $form->bind($register);

    if($this->getRequest()->isXmlHttpRequest()){
        if($this->getRequest()->isPost()){
            $form->setData($this->getRequest()->getPost());
            $hello = 0;
            if($form->isValid()){
                $hello = 1;
                $objectManager->persist($register);
                $objectManager->flush();
            }else{
                foreach($form->getMessages() as $key=>$row)
                    if(!empty($row) && $key != 'submit')
                        foreach($row as $keyer => $rower)
                            $messages[$key][] = $rower;
            }
            if(!empty($messages))
                $this->getResponse()->setContent(\Zend\Json\Json::encode($messages));
            else
                $this->getResponse()->setContent(\Zend\Json\Json::encode(array('hello' => $hello)));
        }
        return $this->getResponse();
    }
}

create.phtml

<script>
	var urlform = "<?php echo $this->url('register/default', array('action' => 'save')) ?>";
	$(document).ready(function() {
		// process the form
		$('form').submit(function(event) {
			$.ajax({
				type 		: 'POST',
				url 		: urlform,
				data 		: $('form').serialize(),
				dataType 	: 'json',
				encode 		: true
			})
			.done(function(data) {
				console.log(data); 
			})
			.fail(function(data) {
				console.log('Error che: ');
				console.log(data); 
			});
			event.preventDefault();
		});
	});
</script>

<!--Add you form-->