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[DomCrawler] Give choice of used parser #18009

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Mar 6, 2023
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[DomCrawler] Give choice of used parser #18009

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20 changes: 20 additions & 0 deletions components/dom_crawler.rst
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Expand Up @@ -651,8 +651,28 @@ another given base URI::
UriResolver::resolve('?a=b', 'http://localhost/bar#foo'); // http://localhost/bar?a=b
UriResolver::resolve('../../', 'http://localhost/'); // http://localhost/

Using a HTML5 Parser
~~~~~~~~~~~~~~~~~~~~

You can specify to the :class:`Symfony\\Component\\DomCrawler\\Crawler` to use
an HTML5 parser when instantiating it by setting the ``useHtml5Parser`` constructor
argument to ``true``::

use Symfony\Component\DomCrawler\Crawler;

$crawler = new Crawler(null, $uri, useHtml5Parser: true);

By doing do, the crawler will use the parser from the `masterminds/html5`_ library internally to parse
documents.

.. versionadded:: 6.3

The ``useHtml5Parser`` argument was introduced in Symfony 6.3.

Learn more
----------

* :doc:`/testing`
* :doc:`/components/css_selector`

.. _`masterminds/html5`: https://packagist.org/packages/masterminds/html5