public function load(ObjectManager $manager)
{
$post = new Post();
$post->setTitle('Заголовок');
$post->setContent('Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ipsa molestias mollitia dolorem quibusdam nobis. Laboriosam ea maxime nemo sapiente, quas, numquam neque perferendis quia ut eius officia reprehenderit mollitia natus.');
$post->setAuthor('unknown');
$manager->persist($post);
$manager->flush();
}
