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

The ``CsvEncoder`` Context Options

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

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

These are the options available:

Option Description Default

``csv_delimiter`` Sets the field delimiter separating values (one ``,``

character only)

``csv_enclosure`` Sets the field enclosure (one character only) ``"``

``csv_escape_char`` Sets the escape character (at most one character)

``csv_key_separator`` Sets the separator for array's keys during its ``.``

flattening

``csv_headers`` Sets the headers for the data ``[]``, inferred from input data's keys

``csv_escape_formulas`` Escapes fields containg formulas by prepending them ``false``

with a ``\t`` character

``as_collection`` Always returns results as a collection, even if only

one line is decoded.

``no_headers`` Disables header in the encoded CSV ``false``

``output_utf8_bom`` Outputs special `UTF-8 BOM`_ along with encoded data ``false``

..versionadded::4.4

The ``output_utf8_bom`` option was introduced in Symfony 4.4.

The ``XmlEncoder``

These are the options available:

``xml_format_output``

If set to true, formats the generated XML with line breaks and indentation.

``xml_version``

Sets the XML version attribute (default: ``1.1``).

``xml_encoding``

Sets the XML encoding attribute (default: ``utf-8``).

``xml_standalone``

Adds standalone attribute in the generated XML (default: ``true``).

``xml_root_node_name``

Sets the root node name (default: ``response``).

``remove_empty_tags``

If set to true, removes all empty tags in the generated XML (default: ``false``).

Option Description Default

``xml_format_output`` If set to true, formats the generated XML with line

breaks and indentation.

``xml_version`` Sets the XML version attribute ``1.1``

``xml_encoding`` Sets the XML encoding attribute ``utf-8``

``xml_standalone`` Adds standalone attribute in the generated XML ``true``

``xml_root_node_name`` Sets the root node name (default: ``response``).

``remove_empty_tags`` If set to true, removes all empty tags in the ``false``

generated XML

The ``YamlEncoder``

The ``CsvEncoder``

This encoder transforms arrays into CSV 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::

These are the options available:

``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.

``no_headers``

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

``output_utf8_bom``

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

..versionadded::4.4

The ``output_utf8_bom`` option was introduced in Symfony 4.4.

Handling Constructor Arguments