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Documented the default values of Accept headers #9292

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javiereguiluz merged 1 commit into from
Feb 20, 2018
+14 −1
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Documented the default values of Accept headers #9292

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15 changes: 14 additions & 1 deletion components/http_foundation.rst
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Expand Up @@ -269,6 +269,19 @@ If you need to get full access to parsed data from ``Accept``, ``Accept-Language
$accepts = AcceptHeader::fromString($request->headers->get('Accept'))
->all();

The default values that can be optionally included in the ``Accept-*`` headers
are also supported::

$acceptHeader = 'text/plain;q=0.5, text/html, text/*;q=0.8, */*;q=0.3';
$accept = AcceptHeader::fromString($acceptHeader);

$quality = $accept->get('text/xml')->getQuality(); // $quality = 0.8
$quality = $accept->get('application/xml')->getQuality(); // $quality = 0.3

.. versionadded:: 4.1
The support of default values in the ``Accept-*`` headers was introduced in
Symfony 4.1.

Accessing other Data
~~~~~~~~~~~~~~~~~~~~

Expand Down Expand Up @@ -403,7 +416,7 @@ of methods to manipulate the HTTP headers related to the cache:
.. note::

The methods :method:`Symfony\\Component\\HttpFoundation\\Response::setExpires`,
:method:`Symfony\\Component\\HttpFoundation\\Response::setLastModified` and
:method:`Symfony\\Component\\HttpFoundation\\Response::setLastModified` and
:method:`Symfony\\Component\\HttpFoundation\\Response::setDate` accept any
object that implements ``\DateTimeInterface``, including immutable date objects.

Expand Down