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Informations about the package normalt
Normalt contains additional normalizers for use with the serializer component found in Symfony. It also implements a normalizer delegator that will look at the data you want normalized and/or denormalized and call the normalizer which supports it.
In the context of Normalt normalization is the act of converting an object into an array. Denormalization is the opposite direction (converting array into an object). This is to my knowledge the same concept Symfony serializer uses.
Table of Contents
- Getting Started
Getting started is as easy as requiring the library with composer.
Theese normalizers can be used with the serializer component directly or through the
AggregateNormalizer is a delegator and aggregator as it aggregates multiple normalizers and denormalizers
which it will delegate the process to.
It have a list of normalizers and denormalizers. It will ask each of theese if they support the data/object and use the first found.
It implements a subset of the full serializer and its only focus is normalizing to arrays and
denormalize arrays into objects. This lets you focus on normalization instead of converting
into a specific format such as
You need to instantiate the normalizer and the list of normalizer/denormalizers you want to use.
For this example we use
GetSetMethodNormalizer which is distributed with the symfony package.
This is the class we are going to use.
GetSetMethodNormalizer uses getters and setters to do
Lets normalize and denormalize it again.
In contrast to the other normalizers in this package, it does not make sense to use this with the serializer as the Serializer already does most of the functionality already.
DoctrineNormalizer normalizes mapped objects (Entities, Documents etc.) into arrays and back again.
It usage is very simple. The following example assume a mapped object of
$user and that you are
using the doctrine orm (other doctrine projects work aswell!).
This normalizes also delegates like the
AggregateNormalizer, but delegates for each property in the object
you are normalizing to normalize. It does this with recursion, so if a normalizer does not support a given
property and is an array it will loop through that array and look for more objects.
The same thing happens when denormalizing, except it will try and find a supporting denormalizer for the property structure before looping.
Using is simple as the other, the example utilises
DoctrineNormalizer and assumes we have a
that contains a reference to a user with
Please refer to the included