Updated DTMF input example

Author: mheap

voice/user-input-dtmf-slim/index.php

@@ -6,17 +6,7 @@
 
 $app = new \Slim\App;
 
-$app->add(function (Request $request, Response $response, $next) {
- // Nexmo may send a GET or a POST request, depending on your account
- // settings. Reject anything that isn't a GET/POST
- if (!in_array($request->getMethod(), ['GET', 'POST'])) {
- return $response->withStatus(404);
- }
-
- return $next($request, $response);
-});
-
-$app->any('/webhooks/answer', function (Request $request, Response $response) {
+$app->get('/webhooks/answer', function (Request $request, Response $response) {
  $uri = $request->getUri();
  $ncco = [
  [
@@ -34,14 +24,9 @@
  return $response->withJson($ncco);
 });
 
-$app->any('/webhooks/dtmf', function (Request $request, Response $response) {
+$app->post('/webhooks/dtmf', function (Request $request, Response $response) {
  $params = $request->getParsedBody();
 
- // Fall back to reading the query string if the body is empty
- if (!isset($params['dtmf'])) {
- $params = $request->getQueryParams();
- }
-
  $ncco = [
  [
  'action' => 'talk',