Mar 21, 2023 · Mar 19, 2023
diff --git a/doctrine/associations.rst b/doctrine/associations.rst
    // ...
    use App\Entity\Category;
    use App\Entity\Product;
    use Doctrine\Persistence\ManagerRegistry;
    use Doctrine\ORM\EntityManagerInterface;
    use Symfony\Component\HttpFoundation\Response;
    use Symfony\Component\Routing\Annotation\Route;

    class ProductController extends AbstractController
    {
        #[Route('/product', name: 'product')]
        public function index(ManagerRegistry $doctrine): Response
        public function index(EntityManagerInterface $entityManager): Response
        {
            $category = new Category();
            $category->setName('Computer Peripherals');
            // relates this product to the category
            $product->setCategory($category);

            $entityManager = $doctrine->getManager();
            $entityManager->persist($category);
            $entityManager->persist($product);
            $entityManager->flush();

    class ProductController extends AbstractController
    {
        public function show(ManagerRegistry $doctrine, int $id): Response
        public function show(ProductRepository $productRepository, int $id): Response
        {
            $product = $doctrine->getRepository(Product::class)->find($id);
            $product = $productRepository->find($id);
            // ...

            $categoryName = $product->getCategory()->getName();
    // ...
    class ProductController extends AbstractController
    {
        public function showProducts(ManagerRegistry $doctrine, int $id): Response
        public function showProducts(CategoryRepository $categoryRepository, int $id): Response
        {
            $category = $doctrine->getRepository(Category::class)->find($id);
            $category = $categoryRepository->find($id);

            $products = $category->getProducts();

    a "proxy" object in place of the true object. Look again at the above
    example::

        $product = $doctrine->getRepository(Product::class)->find($id);
        $product = $productRepository->find($id);

        $category = $product->getCategory();

    // ...
    class ProductController extends AbstractController
    {
        public function show(ManagerRegistry $doctrine, int $id): Response
        public function show(ProductRepository $productRepository, int $id): Response
        {
            $product = $doctrine->getRepository(Product::class)->findOneByIdJoinedToCategory($id);
            $product = $productRepository->findOneByIdJoinedToCategory($id);

            $category = $product->getCategory();
Original file line number	Diff line number	Diff line change
Expand Up		@@ -313,14 +313,14 @@ Now you can see this new code in action! Imagine you're inside a controller::
		// ...
		use App\Entity\Category;
		use App\Entity\Product;
		use Doctrine\Persistence\ManagerRegistry;
		use Doctrine\ORM\EntityManagerInterface;
		use Symfony\Component\HttpFoundation\Response;
		use Symfony\Component\Routing\Annotation\Route;

		class ProductController extends AbstractController
		{
		#[Route('/product', name: 'product')]
		public function index(ManagerRegistry $doctrine): Response
		public function index(EntityManagerInterface $entityManager): Response
		{
		$category = new Category();
		$category->setName('Computer Peripherals');
Expand All		@@ -333,7 +333,6 @@ Now you can see this new code in action! Imagine you're inside a controller::
		// relates this product to the category
		$product->setCategory($category);

		$entityManager = $doctrine->getManager();
		$entityManager->persist($category);
		$entityManager->persist($product);
		$entityManager->flush();
Expand DownExpand Up		@@ -379,9 +378,9 @@ before. First, fetch a ``$product`` object and then access its related

		class ProductController extends AbstractController
		{
		public function show(ManagerRegistry $doctrine, int $id): Response
		public function show(ProductRepository $productRepository, int $id): Response
		{
		$product = $doctrine->getRepository(Product::class)->find($id);
		$product = $productRepository->find($id);
		// ...

		$categoryName = $product->getCategory()->getName();
Expand DownExpand Up		@@ -412,9 +411,9 @@ direction::
		// ...
		class ProductController extends AbstractController
		{
		public function showProducts(ManagerRegistry $doctrine, int $id): Response
		public function showProducts(CategoryRepository $categoryRepository, int $id): Response
		{
		$category = $doctrine->getRepository(Category::class)->find($id);
		$category = $categoryRepository->find($id);

		$products = $category->getProducts();

Expand All		@@ -433,7 +432,7 @@ by adding JOINs.
		a "proxy" object in place of the true object. Look again at the above
		example::

		$product = $doctrine->getRepository(Product::class)->find($id);
		$product = $productRepository->find($id);

		$category = $product->getCategory();

Expand DownExpand Up		@@ -503,9 +502,9 @@ object and its related ``Category`` in one query::
		// ...
		class ProductController extends AbstractController
		{
		public function show(ManagerRegistry $doctrine, int $id): Response
		public function show(ProductRepository $productRepository, int $id): Response
		{
		$product = $doctrine->getRepository(Product::class)->findOneByIdJoinedToCategory($id);
		$product = $productRepository->findOneByIdJoinedToCategory($id);

		$category = $product->getCategory();

Expand Down