Zend FR

[lang=php]Authuser\Module.php
public function onBootstrap(MvcEvent $e) {
  $eventManager        = $e->getApplication()->getEventManager();
  $moduleRouteListener = new ModuleRouteListener();
  $moduleRouteListener->attach($eventManager);

  $em  = $eventManager->getSharedManager();
  $em->attach('ZfcUser\Form\Login', 'init', function($e) { 
      $form = $e->getTarget();
      $form->add(array(
          'name' => 'captcha',
          'label'      => 'Please enter the 5 letters displayed below:',
          'required'   => true,
          'class' => 'Zend\Captcha\ReCaptcha',
          'options' => array(
              'wordLen'    => 6,
              'expiration' => 300,
              'timeout'    => 300,
           ), 
      ));
  });
}

composer.json
[lang=php]"php": ">=5.3.3",
        "zendframework/zendframework": "2.*",
        "zendframework/zend-developer-tools": "dev-master",
        "zf-commons/zfc-user" : "~1.2",
        "doctrine/doctrine-orm-module": "~0.8",
        "zf-commons/zfc-user-doctrine-orm": "~1.0",
        "bjyoungblood/bjy-authorize": "~1.4",
        "zendframework/zendservice-recaptcha": "2.0.*"
        ...

application.config.php
return array(
    'modules' => array(
        'ZendDeveloperTools',
        'Application',
        'DoctrineModule',
        'DoctrineORMModule',
        'ZfcBase',
        'ZfcUser',
        'ZfcUserDoctrineORM',
        'BjyAuthorize',
        'AuthUser',
        ...
),

AuthUser\config\module.config.php
return array(
    'doctrine' => array(
        'driver' => array(
            // overriding zfc-user-doctrine-orm's config
            'zfcuser_entity' => array(
                'class' => 'Doctrine\ORM\Mapping\Driver\AnnotationDriver',
                'paths' => __DIR__ . '/../src/AuthUser/Model',
            ),
            'orm_default' => array(
                'drivers' => array(
                    'AuthUser\Model' => 'zfcuser_entity',
                ),
            ),
        ),
    ),
    'zfcuser' => array(
        // telling ZfcUser to use our own class
        'user_entity_class'       => 'AuthUser\Model\User',
        // telling ZfcUserDoctrineORM to skip the entities it defines
        'enable_default_entities' => false,
        'enable_registration' => true,
        'enable_username' => true,
        'enable_display_name' => false,
        'enable_email' => false,
        'auth_identity_fields' => array('username'),
        'login_form_timeout' => 300,
        'user_form_timeout' => 600,
        'login_after_registration' => false,
        'use_registration_form_captcha' => true,
        //'use_login_form_captcha' => true,
        'user_login_widget_view_template' => 'zfc-user/user/login.phtml',
        'user_register_widget_view_template' => 'zfc-user/user/register.phtml',
        'login_redirect_route' => 'dashboard',
        'logout_redirect_route' => 'home',
        'form_captcha_options' => array(
            'class'   => 'Zend\Captcha\ReCaptcha',
            'options' => array(
                'wordLen'    => 6,
                'expiration' => 300,
                'timeout'    => 300,
             ),
        ),
    ),
    'bjyauthorize' => array(
        // Using the authentication identity provider, which basically reads the roles from the auth service's identity
        'identity_provider' => 'BjyAuthorize\Provider\Identity\AuthenticationIdentityProvider',
        'role_providers'        => array(
            // using an object repository (entity repository) to load all roles into our ACL
            'BjyAuthorize\Provider\Role\ObjectRepositoryProvider' => array(
                'object_manager'    => 'doctrine.entitymanager.orm_default',
                'role_entity_class' => 'AuthUser\Model\Role',
                'table' => 'user_role',
                'role_id_field' => 'role_id',
                'parent_role_field' => 'parent'
            ),
        ),
        ...
    ),
    'router' => array(
        'routes' => array(
            'login' => array(
                'type'    => 'segment',
                'options' => array(
                    'route'    => '/user/login',
                ),
            ),
            'register' => array(
                'type'    => 'segment',
                'options' => array(
                    'route'    => '/user/register',
                ),
            ),
            'logout' => array(
                'type'    => 'segment',
                'options' => array(
                    'route'    => '/user/logout',
                ),
            ),
        ),
    ),
    'view_manager' => array(
        'template_path_stack' => array(
            'zfc-user' => __DIR__ . '/../view',
        ),
    ),
);

AuthUser\Module.php

[lang=php]use Zend\Captcha;
use Zend\Form\Element;
use Zend\Form\Form;
use Zend\Captcha\ReCaptcha;

class Module {

    public function onBootstrap(MvcEvent $e) {
        $eventManager        = $e->getApplication()->getEventManager();
        $moduleRouteListener = new ModuleRouteListener();
        $moduleRouteListener->attach($eventManager);

        $em  = $eventManager->getSharedManager();
        $userService = $e->getApplication()->getServiceManager()->get('zfcuser_user_service');

        $em->attach('ZfcUser\Form\Login', 'init', function($e) use ($userService) {
            /* @var $form \ZfcUser\Form\Login */
            $form = $e->getTarget();
            $config = $userService->getOptions();
            $formCaptchaOptions = $config->getFormCaptchaOptions();

            $privatekey = $formCaptchaOptions['options']['privkey'];
            $publickey = $formCaptchaOptions['options']['pubkey'];
            $reCaptcha = new Captcha\ReCaptcha();
            $reCaptcha->setPubkey($publickey);
            $reCaptcha->setPrivkey($privatekey);

            $captcha = new Element\Captcha('captcha');
            $captcha
                ->setCaptcha($reCaptcha)
                ->setLabel('Captcha');
            $form->add($captcha);
        });
    }
    ...
}