Feb 20, 2018 · Feb 18, 2018
diff --git a/components/http_foundation.rst b/components/http_foundation.rst
    $accepts = AcceptHeader::fromString($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
 ~~~~~~~~~~~~~~~~~~~~

 .. 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.
Original file line number	Diff line number	Diff line change
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 DownExpand 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