<?php
return function($site, $pages, $page) {
 
  // check if request is a POST request
  if(r::is('POST')) {
    $data = r::data();
 
    // call validateForm() with $data as parameter
    $response = validateForm($data);
 
    // if form validation succeeds, we try to add the data to the structure field
    if(isset($response['success'])) {
      $response = addToStructure($page, 'registrations', $data);
    }
 
  }
 
  return compact('response', 'data');
};
 
 
function validateForm($data) {
 
  $response = array();
 
  // if the honeypot is filled, we set the redirect key to true
 // if(!empty($data['website'])) {
  //  $response['redirect'] = true;
 
  //} else {
 
    // array of rules for form validation
    $rules = array(
      'title'  => array('required'),
      'firstname'  => array('required'),
      'lastname'  => array('required'),
      'company'  => array('required'),
      'street'  => array('required'),
      'streetnumber'  => array('required'),
      'postalcode'  => array('required'),

   *
   * @return array
   */
  public function controller($arguments = array()) {
 
    // first try to get a controller for the representation
    $controller = null;
    if($representation = $this->representation()) {
      $controller = $this->kirby->registry->get('controller', $this->template() . '.' . $representation);
    }
 
    // no representation or no special controller: try the normal one
    if(!$controller) $controller = $this->kirby->registry->get('controller', $this->template());
 
    if(is_a($controller, 'Closure')) {
      return (array)call_user_func_array($controller, array(
        $this->site,
        $this->site->children(),
        $this,
        $arguments
      ));
    }
 
    return array();
 
  }
 
  /**
   * Converts the entire page array into
   * a json string
   *
   * @param closure $callback Filter callback
   * @return string
   */
  public function toJson($callback = null) {
    return json_encode($this->toArray($callback));
  }
 
  /**
   * Makes it possible to echo the entire object

 * @link      http://getkirby.com
 * @copyright Bastian Allgeier
 * @license   http://getkirby.com/license
 */
class Template extends \Kirby\Component {
 
  /**
   * Collects all template data by page
   * 
   * @param mixed $page
   * @param array $data
   * @return array
   */
  public function data($page, $data = []) {
 
    if($page instanceof Page) {
      $data = array_merge(
        $page->templateData(), 
        $data, 
        $page->controller($data)
      );
    }
 
    // apply the basic template vars
    return array_merge(array(
      'kirby' => $this->kirby,
      'site'  => $this->kirby->site(),
      'pages' => $this->kirby->site()->children(),
      'page'  => $page
    ), $data);
 
  }
 
  /**
   * Returns all available template files
   *
   * @return array
   */
  public function files() {
    $files = dir::read($this->kirby->roots()->templates());

   * @return string
   */
  public function file($name) {
    return $this->kirby->roots()->templates() . DS . str_replace('/', DS, $name) . '.php';
  }
 
  /**
   * Renders the template by page with the additional data
   * 
   * @param Page|string $template
   * @param array $data
   * @param boolean $return
   * @return string
   */
  public function render($template, $data = [], $return = true) {
 
    if($template instanceof Page) {
      $page = $template;
      $file = $page->templateFile();
      $data = $this->data($page, $data);
    } else {
      $file = $template;
      $data = $this->data(null, $data);
    }
 
    // check for an existing template
    if(!file_exists($file)) {
      throw new Exception('The template could not be found');
    }
 
    // merge and register the template data globally
    $tplData = tpl::$data;
    tpl::$data = array_merge(tpl::$data, $data);
 
    // load the template
    $result = tpl::load($file, null, $return);
 
    // reset the template data
    tpl::$data = $tplData;
 

      }
 
      return $template;
 
    }
 
    // return a fresh template
    return $this->template($page, $data);
 
  }
 
  /**
   * Template configuration
   *
   * @param Page $page
   * @param array $data
   * @return string
   */
  public function template(Page $page, $data = array()) {
    return $this->component('template')->render($page, $data);
  }
 
  public function request() {
    if(!is_null($this->request)) return $this->request;
    return $this->request = new Request($this);
  }
 
  public function router() {
    return $this->router;
  }
 
  public function route() {
    return $this->route;
  }
 
  /**
   * Starts the router, renders the page and returns the response
   *
   * @return mixed
   */

        }
 
      }
 
      // try to fetch the template from cache
      $template = $this->cache()->get($cacheId);
 
      // fetch fresh content if the cache is empty
      if(empty($template)) {
        $template = $this->template($page, $data);
        // store the result for the next round
        $this->cache()->set($cacheId, $template);
      }
 
      return $template;
 
    }
 
    // return a fresh template
    return $this->template($page, $data);
 
  }
 
  /**
   * Template configuration
   *
   * @param Page $page
   * @param array $data
   * @return string
   */
  public function template(Page $page, $data = array()) {
    return $this->component('template')->render($page, $data);
  }
 
  public function request() {
    if(!is_null($this->request)) return $this->request;
    return $this->request = new Request($this);
  }
 
  public function router() {

 * @link      http://getkirby.com
 * @copyright Bastian Allgeier
 * @license   http://getkirby.com/license
 */
class Response extends \Kirby\Component {
 
  /**
   * Builds and return the response by various input
   * 
   * @param mixed $response
   * @return mixed
   */
  public function make($response) {
 
    if(is_string($response)) {
      return $this->kirby->render(page($response));
    } else if(is_array($response)) {
      return $this->kirby->render(page($response[0]), $response[1]);
    } else if(is_a($response, 'Page')) {
      return $this->kirby->render($response);      
    } else if(is_a($response, 'Response')) {
      return $response;
    } else {
      return null;
    }
 
  }
 
}

    // check for a valid route
    if(is_null($this->route)) {
      header::status('500');
      header::type('json');
      die(json_encode(array(
        'status'  => 'error',
        'message' => 'Invalid route or request method'
      )));
    }
 
    // call the router action with all arguments from the pattern
    $response = call($this->route->action(), $this->route->arguments());
 
    // load all language variables
    // this can only be loaded once the router action has been called
    // otherwise the current language is not yet available
    $this->localize();
 
    // build the response
    $this->response = $this->component('response')->make($response);
 
    // store the current language in the session
    if(
        $this->option('language.detect') &&
        $this->site()->multilang() &&
        $this->site()->language()
      ) {
      s::set('kirby_language', $this->site()->language()->code());
    }
 
    return $this->response;
 
  }
 
  /**
   * Register a new hook
   *
   * @param string/array $hook The name of the hook
   * @param closure $callback
   */

<?php
 
define('DS', DIRECTORY_SEPARATOR);
 
// load kirby
require(__DIR__ . DS . 'kirby' . DS . 'bootstrap.php');
 
// check for a custom site.php
if(file_exists(__DIR__ . DS . 'site.php')) {
  require(__DIR__ . DS . 'site.php');
} else {
  $kirby = kirby();
}
 
// render
echo $kirby->launch();