README

This service provider integrates Zend\Form into a Slim 3 application.

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:

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

5. Create a form:

    <?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:

    $app->map(['GET', 'POST'], '/', function ($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;
    });