akrabat/rka-slim-zendform

Slim Framework ZF2 form service provider

Zend\Form integration with Slim 3

This service provider integrates Zend\Form into a Slim 3 application., _(*1)

Usage

1. composer require slim/twig-view
2. composer require akrabat/rka-slim-zendform
3. Register Twig-View as per the README

4. Register the FormProvider in index.php:, _(*2)

   $app->getContainer()->register(new RKA\Form\FormProvider);

5. Create a form:, _(*3)

   <?php
   namespace RKA;
   
   use Zend\Form\Form;
   use Zend\InputFilter\InputFilterProviderInterface;
   
   class ExampleForm extends Form implements InputFilterProviderInterface
   {
       public function init()
       {
           $this->add([
               'name' => 'email',
               'options' => [
                   'label' => 'Email address',
               ],
               'attributes' => [
                   'id'       => 'email',
                   'class'    => 'form-control',
                   'required' => 'required',
               ],
           ]);
   
           $this->add([
               'name' => 'submit',
               'type' => 'button',
               'options' => [
                   'label' => 'Go!',
               ],
               'attributes' => [
                   'class' => 'btn btn-default',
               ],
           ]);
       }
   
       public function getInputFilterSpecification()
       {
           return [
               'email' => [
                   'required' => true,
                   'filters'  => [
                       ['name' => 'StringTrim'],
                       ['name' => 'StripTags'],
                   ],
                   'validators' => [
                       ['name' => 'EmailAddress'],
                   ],
               ],
           ];
       }
   }

6. Example action:, _(*4)

   $app->map(['GET', 'POST'], '/', function ($request, $response) {
       $sm = $this['serviceManager'];
       $formElementManager = $sm->get('FormElementManager');
       $form = $formElementManager->get("RKA\ExampleForm");
   
       if ($request->isPost()) {
           $data = $request->post();
           $form->setData($data);
           $isValid = $form->isValid();
           if ($form->isValid()) {
               echo "Success!";
               exit;
           }
       }
   
       $this['view']->render($response, 'home.twig', array(
           'form' => $form
       ));
       return $response;
   });