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I want to make post editing on my blog. I get data from a form and want to put it into a database. I'm not sure if using setters is the best way, so maybe you can show me better solution?

$form->handleRequest($request);

if ($form->isSubmitted() && $form->isValid()) {
  $formData = $form->getData();

  $post->setTitle($formData->getTitle());
  $post->setText($formData->getText());
  $post->setAuthor($formData->getAuthor());
  $em->flush();

  $this->addFlash(
    'notice',
    'Post updated!'
  );

  return $this->redirectToRoute('admin');
}
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You need to add persist() like so:

...
$post->setAuthor($formData->getAuthor());
$em->persist($post);
$em->flush();
...

That should do it!

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