use App\Entity\Article;
use Doctrine\ORM\EntityManagerInterface;
 
class MonControleur extends AbstractController
{
 
    public function create(
        EntityManagerInterface $manager
    ) {
        $article = new Article();
        $article
            ->setTitle("Titre de l'article")
            ->setContent("Contenu de l'article");
 
        $manager->persist($article);
        $manager->flush();
}
}