Curso Ninja - API GET

api.php

<?php

$app->get('/posts/{id}', function ($id) use ($app) {
    $em = $app['orm.em'];
    $post = $em->getRepository('App\Entities\Post')->find($id);
    $hydrator = new DoctrineHydrator($em);
    return $app->json($hydrator->extract($post));
});