What is an encoder in Symfony Serializer?
2 June 2022 (Updated 6 June 2022)
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In a nutshell
An encoder is a class that converts PHP arrays into a data format like JSON or XML and vice-versa. It implements the EncoderInterface for encoding (array to format), and the DecoderInterface for decoding (format to array).
![What is an encoder in Symfony Serializer?](https://sajadtorkamani.com/wp-content/uploads/2022/06/Encoders-in-Symfony-1.png)
You can pass an array of encoders as the second argument to the Serializer constructor:
use Symfony\Component\Serializer\Encoder\JsonEncoder;
use Symfony\Component\Serializer\Encoder\XmlEncoder;
use Symfony\Component\Serializer\Serializer;
$encoders = [new XmlEncoder(), new JsonEncoder()];
$serializer = new Serializer([], $encoders);
Built-in encoders
The Symfony Serializer component provides several built-in encoders:
You can also create a custom encoder.
Sources
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Symfony
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