Building a sample app with api-platform for backend, but lack of knowledge · Issue #501 · api-platform/api-platform · GitHub
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Building a sample app with api-platform for backend, but lack of knowledge #501

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Building a sample app with api-platform for backend, but lack of knowledge#501

Description

@Rebolon
Rebolon
opened on Dec 26, 2017

Hi,
i'm playing with Api-Platform on a Sf4 project where the aim is to write our guidelines to build apps in my client company. At the beginning i just wanted to show how to build an hybrid SPA application. I say hybrid coz it's served by Sf4 instead of being fully standalone, but it will allows us to bring this in existing application. I was surprised by how easy it is to bring VueJS or React into Symfony.
But, now i'm facing a new problem : for a more complex demo with complex forms, i need to build an api so i choose ApiPlatform which seems to be really interesting.

I did a simple data model with books/authors/editors/series... which lead to ManyToOne and kindOf ManyToMany (but splitted into ManyToOne with associative tables to allow more properties in association). Now i don't really know how to setup the Api :-(

Why ? my GET routes have circular reference exception (Books is linked to ProjectBookCreation which is linked to Authors and... Books), and my PUT/POST routes doesn't have overloded methods that allow to post all required information : to PUT/POST a book i wish to post at the same time all authors and editors linked to that book...

If you have any information s that might help me to build quickly this part of the app that would be cool.

The project is here (branch orm-for-form-demo) : https://github.com/Rebolon/php-sf-flex-webpack-encore-vuejs/tree/feature/orm-for-form-demo
The README.md should be enough to start the project (everything is done with NPM).
I will certainly write a new article on medium once all is done, and i will promote all libs/technologies used, and all persons that helped me !

Thanks

Activity

  1. dunglas commented on Dec 27, 2017

    @dunglas
    dunglas
    on Dec 27, 2017
    Member

    Hi,

    Thanks for trying API Platform!

    I don't get exactly the problem you have. API Platform handles circular references natively thanks to its hypermedia capabilities.

    Can you copy the error you get?

    Best regards,

  2. Rebolon commented on Dec 27, 2017

    @Rebolon
    Rebolon
    on Dec 27, 2017
    Author

    Here is one circular error when retreiving books from serie 1 : /api/series/1/books

    {
  "@context": "/api/contexts/Error",
  "@type": "hydra:Error",
  "hydra:title": "An error occurred",
  "hydra:description": "A circular reference has been detected when serializing the object of class \"App\\Entity\\Library\\ProjectBookCreation\" (configured limit: 1)",
  "trace": [
    {
      "namespace": "",
      "short_class": "",
      "class": "",
      "type": "",
      "function": "",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/symfony/serializer/Normalizer/AbstractNormalizer.php",
      "line": 195,
      "args": []
    },
    {
      "namespace": "Symfony\\Component\\Serializer\\Normalizer",
      "short_class": "AbstractNormalizer",
      "class": "Symfony\\Component\\Serializer\\Normalizer\\AbstractNormalizer",
      "type": "->",
      "function": "handleCircularReference",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/symfony/serializer/Normalizer/AbstractObjectNormalizer.php",
      "line": 66,
      "args": [
        [
          "object",
          "App\\Entity\\Library\\ProjectBookCreation"
        ]
      ]
    },
    {
      "namespace": "Symfony\\Component\\Serializer\\Normalizer",
      "short_class": "AbstractObjectNormalizer",
      "class": "Symfony\\Component\\Serializer\\Normalizer\\AbstractObjectNormalizer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/symfony/serializer/Serializer.php",
      "line": 133,
      "args": [
        [
          "object",
          "App\\Entity\\Library\\ProjectBookCreation"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ]
          }
        ]
      ]
    },
    {
      "namespace": "Symfony\\Component\\Serializer",
      "short_class": "Serializer",
      "class": "Symfony\\Component\\Serializer\\Serializer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/Hydra/Serializer/CollectionNormalizer.php",
      "line": 69,
      "args": [
        [
          "object",
          "App\\Entity\\Library\\ProjectBookCreation"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab50b000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ]
          }
        ]
      ]
    },
    {
      "namespace": "ApiPlatform\\Core\\Hydra\\Serializer",
      "short_class": "CollectionNormalizer",
      "class": "ApiPlatform\\Core\\Hydra\\Serializer\\CollectionNormalizer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/Hydra/Serializer/PartialCollectionViewNormalizer.php",
      "line": 49,
      "args": [
        [
          "object",
          "Doctrine\\ORM\\PersistentCollection"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab50b000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ]
          }
        ]
      ]
    },
    {
      "namespace": "ApiPlatform\\Core\\Hydra\\Serializer",
      "short_class": "PartialCollectionViewNormalizer",
      "class": "ApiPlatform\\Core\\Hydra\\Serializer\\PartialCollectionViewNormalizer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/Hydra/Serializer/CollectionFiltersNormalizer.php",
      "line": 65,
      "args": [
        [
          "object",
          "Doctrine\\ORM\\PersistentCollection"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab50b000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ]
          }
        ]
      ]
    },
    {
      "namespace": "ApiPlatform\\Core\\Hydra\\Serializer",
      "short_class": "CollectionFiltersNormalizer",
      "class": "ApiPlatform\\Core\\Hydra\\Serializer\\CollectionFiltersNormalizer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/symfony/serializer/Serializer.php",
      "line": 133,
      "args": [
        [
          "object",
          "Doctrine\\ORM\\PersistentCollection"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab50b000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ]
          }
        ]
      ]
    },
    {
      "namespace": "Symfony\\Component\\Serializer",
      "short_class": "Serializer",
      "class": "Symfony\\Component\\Serializer\\Serializer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/Serializer/AbstractItemNormalizer.php",
      "line": 445,
      "args": [
        [
          "object",
          "Doctrine\\ORM\\PersistentCollection"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab50b000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ]
          }
        ]
      ]
    },
    {
      "namespace": "ApiPlatform\\Core\\Serializer",
      "short_class": "AbstractItemNormalizer",
      "class": "ApiPlatform\\Core\\Serializer\\AbstractItemNormalizer",
      "type": "->",
      "function": "getAttributeValue",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/symfony/serializer/Normalizer/AbstractObjectNormalizer.php",
      "line": 80,
      "args": [
        [
          "object",
          "Proxies\\__CG__\\App\\Entity\\Library\\Author"
        ],
        [
          "string",
          "books"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab50b000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ]
          }
        ]
      ]
    },
    {
      "namespace": "Symfony\\Component\\Serializer\\Normalizer",
      "short_class": "AbstractObjectNormalizer",
      "class": "Symfony\\Component\\Serializer\\Normalizer\\AbstractObjectNormalizer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/Serializer/AbstractItemNormalizer.php",
      "line": 100,
      "args": [
        [
          "object",
          "Proxies\\__CG__\\App\\Entity\\Library\\Author"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
            ],
            "api_sub_level": [
              "boolean",
              true
            ],
            "iri": [
              "string",
              "/api/authors/1"
            ],
            "api_normalize": [
              "boolean",
              true
            ],
            "cache_key": [
              "boolean",
              false
            ],
            "circular_reference_limit": [
              "array",
              {
                "000000004ddab532000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab50b000000006996f33b": [
                  "integer",
                  1
                ],
                "000000004ddab52c000000006996f33b": [
                  "integer",
                  1
                ]
              }
            ],
            "resource_class": [
              "string",
              "App\\Entity\\Library\\Author"
            ]
          }
        ]
      ]
    },
    {
      "namespace": "ApiPlatform\\Core\\Serializer",
      "short_class": "AbstractItemNormalizer",
      "class": "ApiPlatform\\Core\\Serializer\\AbstractItemNormalizer",
      "type": "->",
      "function": "normalize",
      "file": "/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/JsonLd/Serializer/ItemNormalizer.php",
      "line": 73,
      "args": [
        [
          "object",
          "Proxies\\__CG__\\App\\Entity\\Library\\Author"
        ],
        [
          "string",
          "jsonld"
        ],
        [
          "array",
          {
            "subresource_operation_name": [
              "string",
              "api_series_books_get_subresource"
            ],
            "operation_type": [
              "string",
              "subresource"
            ],
            "request_uri": [
              "string",
              "/api/series/1/books"
            ],
            "uri": [
              "string",
              "http://localhost/api/series/1/books"
            ],
            "subresource_identifiers": [
              "array",
              {
                "id": [
                  "string",
                  "1"
                ]
              }
            ],
            "subresource_resources": [
              "array",
              {
                "App\\Entity\\Library\\Serie": [
                  "array",
                  {
                    "id": [
                      "string",
                      "1"
                    ]
                  }
                ]
              }
            ],
            "resources": [
              "object",
              "class@anonymous\u0000/mnt/d/dev/php/projects/php-sf-flex-webpack-encore-vuejs/vendor/api-platform/core/src/EventListener/SerializeListener.php0x7f9d12ab57d9"
            ],
            "jsonld_has_context": [
              "boolean",
              true
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  3. dunglas commented on Dec 28, 2017

    @dunglas
    dunglas
    on Dec 28, 2017
    Member

    It's because the ProjectBookCreation is not marked with @ApiResource, so it's not handled by the API Platform (it is by the Symfony one), and as there is a circular reference, an error is thrown.
    If ProjectBookCreation where an API resource, the circular reference would be handled automatically. If you don't want to make it a resource, you need to register a circular reference handler by yourself: https://symfony.com/doc/current/components/serializer.html#handling-circular-references

  4. Rebolon commented on Dec 28, 2017

    @Rebolon
    Rebolon
    on Dec 28, 2017
    Author

    I have just found this ! and another thing seems to write the getter for the identifier if i don't want to get Unable to generate an IRI for the item of type...

    Thanks, just need now to writ specific PUT/POST route on Book entity to be able to add Editors and Authors at the same time

  5. Rebolon
    closed this as completedon Dec 28, 2017

  6. elvismdev commented on Feb 2, 2019

    @elvismdev
    elvismdev
    on Feb 2, 2019

    @dunglas I'm having this same issue, with an Order entity that has a relationship with User entity.

    Here part of my error:

    {
    "@context": "/api/contexts/Error",
    "@type": "hydra:Error",
    "hydra:title": "An error occurred",
    "hydra:description": "A circular reference has been detected when serializing the object of class \"App\\Entity\\User\" (configured limit: 1)",
    "trace": [
        {
            "namespace": "",
            "short_class": "",
            "class": "",
            "type": "",
            "function": "",
            "file": "/home/elvismdev/WWW/my-symfony-app/vendor/symfony/serializer/Normalizer/AbstractNormalizer.php",
            "line": 255,
            "args": []
        },
...

    Order entity is marked with @ApiResource but User is not. I don't need/want to make User an API resource, only Order. It seems to me that I have to register a circular reference handler by myself following the symfony docs here: https://symfony.com/doc/current/components/serializer.html#handling-circular-references

    However, I'm a bit lost around how or where I should put the custom callable code following the example there:

    $encoder = new JsonEncoder();
$normalizer = new ObjectNormalizer();

// all callback parameters are optional (you can omit the ones you don't use)
$normalizer->setCircularReferenceHandler(function ($object, string $format = null, array $context = []) {
    return $object->getName();
});

$serializer = new Serializer([$normalizer], [$encoder]);
var_dump($serializer->serialize($org, 'json'));
// {"name":"Les-Tilleuls.coop","members":[{"name":"K\u00e9vin", organization: "Les-Tilleuls.coop"}]}

    Could you provide some more context or an example where that would go?

    If that's useful, here are my Order and User entities:

    <?php
// src/Entity/Order.php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Gedmo\Mapping\Annotation as Gedmo;
use Symfony\Component\Validator\Constraints as Assert;
use ApiPlatform\Core\Annotation\ApiResource;

/**
 * @ApiResource
 * @ORM\Table(name="`order`")
 * @ORM\Entity(repositoryClass="App\Repository\OrderRepository")
 */
class Order
{
    /**
     * @ORM\Id()
     * @ORM\GeneratedValue()
     * @ORM\Column(type="integer")
     */
    private $id;

    /**
     * @ORM\Column(type="string", length=7)
     * @Assert\NotBlank(message="order_form_validation_msg.telephone")
     * @Assert\Type(type="numeric", message="order_form_validation_msg.telephone_num_only")
     * @Assert\Length(
     *      min=7,
     *      max=7,
     *      exactMessage="order_form_validation_msg.only_seven_digits"
     * )
     */
    private $telephone;

    /**
     * @Gedmo\Timestampable(on="create")
     * @ORM\Column(type="datetime")
     */
    private $createdAt;

    /**
     * @Gedmo\Timestampable(on="update")
     * @ORM\Column(type="datetime")
     */
    private $updatedAt;

    /**
     * @ORM\ManyToOne(targetEntity="App\Entity\User", inversedBy="orders")
     * @ORM\JoinColumn(nullable=false)
     */
    private $author;

    /**
     * @ORM\Column(type="integer")
     */
    private $salePrice;

    /**
     * @ORM\Column(type="decimal", precision=10, scale=2)
     */
    private $commision;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private $status;

    /**
     * @ORM\ManyToOne(targetEntity="App\Entity\TopUpPackage", inversedBy="orders")
     * @ORM\JoinColumn(nullable=false)
     */
    private $topUpPackage;

    /**
     * @ORM\Column(type="integer")
     */
    private $reloadlyTxID;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private $sentVia;


    public function getId(): ?int
    {
        return $this->id;
    }

    public function getTelephone(): ?string
    {
        return $this->telephone;
    }

    public function setTelephone(?string $telephone): self
    {
        $this->telephone = $telephone;

        return $this;
    }

    public function getCreatedAt(): ?\DateTimeInterface
    {
        return $this->createdAt;
    }

    public function setCreatedAt(\DateTimeInterface $createdAt): self
    {
        $this->createdAt = $createdAt;

        return $this;
    }

    public function getUpdatedAt(): ?\DateTimeInterface
    {
        return $this->updatedAt;
    }

    public function setUpdatedAt(\DateTimeInterface $updatedAt): self
    {
        $this->updatedAt = $updatedAt;

        return $this;
    }

    public function getAuthor(): ?User
    {
        return $this->author;
    }

    public function setAuthor(?User $author): self
    {
        $this->author = $author;

        return $this;
    }

    public function getSalePrice(): ?int
    {
        return $this->salePrice;
    }

    public function setSalePrice(int $salePrice): self
    {
        $this->salePrice = $salePrice;

        return $this;
    }

    public function getCommision()
    {
        return $this->commision;
    }

    public function setCommision($commision): self
    {
        $this->commision = $commision;

        return $this;
    }

    public function getStatus(): ?string
    {
        return $this->status;
    }

    public function setStatus(string $status): self
    {
        $this->status = $status;

        return $this;
    }

    public function getTopUpPackage(): ?TopUpPackage
    {
        return $this->topUpPackage;
    }

    public function setTopUpPackage(?TopUpPackage $topUpPackage): self
    {
        $this->topUpPackage = $topUpPackage;

        return $this;
    }

    public function getReloadlyTxID(): ?int
    {
        return $this->reloadlyTxID;
    }

    public function setReloadlyTxID(int $reloadlyTxID): self
    {
        $this->reloadlyTxID = $reloadlyTxID;

        return $this;
    }

    public function getSentVia(): ?string
    {
        return $this->sentVia;
    }

    public function setSentVia(string $sentVia): self
    {
        $this->sentVia = $sentVia;

        return $this;
    }

    /**
     * @return string
     */
    public function __toString() : string
    {
        return $this->getId() . ' - (+535)' . $this->getTelephone();
    }
}
    <?php
// src/Entity/User.php

namespace App\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use FOS\UserBundle\Model\User as BaseUser;
use Symfony\Component\Validator\Constraints as Assert;


/**
 * @ORM\Entity
 * @ORM\Table(name="`user`")
 */
class User extends BaseUser {

	/**
	 * @ORM\Id
	 * @ORM\GeneratedValue(strategy="AUTO")
	 * @ORM\Column(type="integer")
	 */
	protected $id;

    /**
     * @ORM\OneToMany(targetEntity="App\Entity\Order", mappedBy="author")
     */
    private $orders;

    /**
     * @ORM\Column(type="integer", nullable=true)
     */
    private $resellerAddedValue;

    public function __construct()
    {
        parent::__construct();
        $this->orders = new ArrayCollection();
    }


    /**
     * @return int
     */
    public function getId() {
    	return $this->id;
    }

    /**
     *  Override setEmail method from FOSUserBundle.
     * @param string $email
     * @return object
     */
    public function setEmail($email) {
        // We will no require usernames to users. they will login and register with email only.
        $this->setUsername($email);

        return parent::setEmail($email);
    }

    /**
     * @return Collection|Order[]
     */
    public function getOrders(): Collection
    {
        return $this->orders;
    }

    public function addOrder(Order $order): self
    {
        if (!$this->orders->contains($order)) {
            $this->orders[] = $order;
            $order->setAuthor($this);
        }

        return $this;
    }

    public function removeOrder(Order $order): self
    {
        if ($this->orders->contains($order)) {
            $this->orders->removeElement($Order);
            // set the owning side to null (unless already changed)
            if ($order->getAuthor() === $this) {
                $order->setAuthor(null);
            }
        }

        return $this;
    }

    public function getResellerAddedValue(): ?int
    {
        return $this->resellerAddedValue;
    }

    public function setResellerAddedValue(int $resellerAddedValue): self
    {
        $this->resellerAddedValue = $resellerAddedValue;

        return $this;
    }
}
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