ZF2 + Doctrine + Form example

MyController.php

<?php

namespace Application\Controller;


use Zend\Mvc\Controller\AbstractActionController;
use Application\Form\MyForm;

class MyController extends AbstractActionController {
    
    public function newAction(){
        $form = new MyForm('nameMyForm', 
            array(
                'em' => $this->getServiceLocator()
                        ->get('Doctrine\ORM\EntityManager')
            )
        );
        $form->prepare();
        return array(
            'form' => $form
            );
    }
}

MyEntity.php

<?php

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity 
 */
class MyEntity {

    /**
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     * @ORM\Column(type="integer")
     */
    protected $id;

    /**
     * @ORM\ManyToOne(targetEntity="Application\Entity\SomeEntity")
     * @var SomeEntity
     */
    protected $mySelect;
    
    //getters and setters must be created here
    
}

MyForm.php

<?php

namespace Application\Form;

use Zend\Form\Form;
use Application\Entity\MyEntity;
use DoctrineModule\Stdlib\Hydrator\DoctrineObject;

class MyForm extends Form{
 
 public function __construct($name,$options = array()){
     parent::__construct($name,$options);
     
     //set object, hydrator and add input fields here
     $this
        ->setObject(new MyEntity())
        ->setHydrator(new DoctrineObject($options['em'])
        ->add(array(
         'type' => 'hidden',
         'name' => 'id'
         ))
        ->add(
            array(
                'type' => 'DoctrineModule\Form\Element\ObjectSelect',
                'name' => 'mySelect',
                'options' => array(
                    'object_manager' => $options['em'],
                    'target_class'   => 'Application\Entity\SomeEntity',
                    'property'       => 'name',
                ),
            )
        );
 }   
 
}

new.phtml

<h1>Form</h1>
<?php echo $this->form()->openTag($form);?>
<?php echo $this->formCollection($form);?>
<?php echo $this->form()->closeTag($form);?>