public function load(ObjectManager $manager)
{
for ($i = 0; $i < 40; $i++) {
$product = new Product();
$product->setName('Name Product ' . $i);
$featureA = new Feature();
$featureA->setName('Description');
$featureA->setDescription("This is a feature's description");
$featureA->setProduct($product);
$manager->persist($featureA);
$product->addFeature($featureA);
$featureB = new Feature();
$featureB->setName('Warranty');
$featureB->setDescription("This is a warranty's description");
$featureB->setProduct($product);
$manager->persist($featureB);
$product->addFeature($featureB);
$manager->persist($product);
}
$manager->flush();
}