ArraySerializationVisitor.php

<?php

namespace OpenSky\Bundle\APIBundle\Serializer;

use JMS\Serializer\JsonSerializationVisitor;

class ArraySerializationVisitor extends JsonSerializationVisitor
{
    public function getResult()
    {
        return $this->getRoot();
    }
}

gistfile1.txt

    array_serialization_provider:
        class: ArraySerializationVisitor
        arguments:
            - @jms_serializer.naming_strategy
        tags:
            - { name: jms_serializer.serialization_visitor, format: array }

How to use it without symfony?