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UPGRADING.md

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This document details the changes that you need to make to your code when upgrading from one version to another.

Upgrading From 0.11 to 1.0

Nothing yet.

Upgrading From 0.10 to 0.11

  • Namespace Changes

    The core library has been extracted to a dedicated repository schmittjoh/serializer to make it easier re-usable in any kind of PHP project, not only in Symfony2 projects. This results in several namespace changes. You can adjust your projects by performing these replacements (in order):

    • JMS\SerializerBundle\Serializer -> JMS\Serializer
    • JMS\SerializerBundle -> JMS\Serializer
    • JMS\Serializer\DependencyInjection -> JMS\SerializerBundle\DependencyInjection
  • Dependency Changes

    You might need to increase versions of jms/di-extra-bundle, and also jms/security-extra-bundle depending on your stability settings. Sometimes it is also necessary to run a composer update twice because of a bug in composer's solving algorithm.

Upgrading From 0.9 to 0.10

  • Custom Handlers

    The interfaces SerializationHandlerInterface, and DeserializationHandlerInterface have been removed. Instead, you can now use either an event listener, or the new handler concept. As a general rule, if your handler was registered for a specific type, you would use the new handler system, if you instead were handling an arbitrary number of possibly unknown types, you would use the event system.

    Please see the documentation for how to set-up one of these.

  • Objects implementing Traversable

    Objects that implement the Traversable interface are not automatically treated specially anymore, but are serialized just like any regular object. If you would like to restore the previous behavior, you can either add a custom handler, or force the serialization type to array using the @Type annotation (or its equivalent in XML/YML):

    /** @Type("array") */
    private $myTraversableObject;
    
  • Configuration

    Most of the configuration under jms_serializer.handlers is gone. The order is not important anymore as a handler can only be registered for one specific type.

    You can still configure the built-in datetime handler though:

    jms_serializer:
        handlers:
            datetime:
                default_format: DateTime::ISO8601
                default_timezone: UTC
    

    This is not necessary anymore though as you can now specify the format each time when you use a DateTime by using the @Type annotation:

    /** @Type("DateTime<'Y-m-d', 'UTC'>") */
    private $createdAt;