In many formats, it's common to use underscores to separate words (also known

as snake_case). However, PSR-1 specifies that the preferred style for PHP

properties and methods is CamelCase.

as snake_case). However, in Symfony applications is common to use CamelCase to

name properties (even though the `PSR-1 standard`_ doesn't recommend any

specific case for property names).

Symfony provides a built-in name converter designed to transform between

snake_case and CamelCased styles during serialization and deserialization

A popular alternative to the Symfony Serializer Component is the third-party

library, `JMS serializer`_ (released under the Apache license, so incompatible with GPLv2 projects).

.. _`PSR-1 standard`:http://www.php-fig.org/psr/psr-1/

.. _`JMS serializer`:https://github.com/schmittjoh/serializer

.. _Packagist:https://packagist.org/packages/symfony/serializer

.. _RFC3339:https://tools.ietf.org/html/rfc3339#section-5.8

*:ref:`Testing a console command<console-testing-commands>`

*:doc:`The chapter about tests in the Symfony Framework Best Practices</best_practices/tests>`

*:doc:`/components/dom_crawler`

*:doc:`/components/css_selector`