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Documented the addLink() shortcut #10621

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Oct 31, 2018
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Documented the addLink() shortcut #10621

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7 changes: 7 additions & 0 deletions weblink.rst
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Expand Up @@ -147,13 +147,20 @@ You can also add links to the HTTP response directly from controllers and servic
{
public function index(Request $request)
{
// using the addLink() shortcut provided by AbstractController
$this->addLink($request, new Link('preload', '/app.css'));

// alternative if you don't want to use the addLink() shortcut
$linkProvider = $request->attributes->get('_links', new GenericLinkProvider());
$request->attributes->set('_links', $linkProvider->withLink(new Link('preload', '/app.css')));

return $this->render('...');
}
}

.. versionadded:: 4.2
The ``addLink()`` shortcut was introduced in Symfony 4.2.

.. seealso::

WebLink can be used :doc:`as a standalone PHP library </components/weblink>`
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