The ``CsvEncoder`` encodes to and decodes from CSV.

You can pass the context key ``as_collection`` in order to have the results

always as a collection.

..deprecated::4.2

Relying on the default value ``false`` is deprecated since Symfony 4.2.

The ``XmlEncoder``

``remove_empty_tags``

If set to true, removes all empty tags in the generated XML.

The CSV Encoder

This encoder transforms arrays into XML and vice versa.

Context

The ``encode()`` method defines a third optional parameter called ``context``

which defines the configuration options for the CsvEncoder an associative array::

``csv_delimiter``

Sets the field delimiter separating values (one character only, default: ``,``).

``csv_enclosure``

Sets the field enclosure (one character only, default: ``"``).

``csv_escape_char``

Sets the escape character (at most one character, default: empty string).

``csv_key_separator``

Sets the separator for array's keys during its flattening (default: ``.``).

``csv_headers``

Sets the headers for the data (default: ``[]``, inferred from input data's keys).

``csv_escape_formulas``

Escapes fields containg formulas by prepending them with a ``\t`` character (default: ``false``).

``as_collection``

Always returns results as a collection, even if only one line is decoded (default: ``false``).

..deprecated::4.2

Relying on the default value ``false`` is deprecated since Symfony 4.2.

``no_headers``

Disables header in the encoded CSV (default: `false`).

``output_utf8_bom``

Outputs special `UTF-8 BOM`_ along with encoded data (default: `false`).

Handling Constructor Arguments

.. _YAML:http://yaml.org/

.. _CSV:https://tools.ietf.org/html/rfc4180

.. _`RFC 7807`:https://tools.ietf.org/html/rfc7807

.. _`UTF-8 BOM`:https://en.wikipedia.org/wiki/Byte_order_mark

.. _`Value Objects`:https://en.wikipedia.org/wiki/Value_object

.. _`API Platform`:https://api-platform.com

.. _`list of PHP timezones`:https://www.php.net/manual/en/timezones.php