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Documented the default values of text() and html() #10898

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Jan 22, 2019
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Documented the default values of text() and html() #10898

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16 changes: 16 additions & 0 deletions components/dom_crawler.rst
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Expand Up @@ -201,8 +201,16 @@ Access the node name (HTML tag name) of the first node of the current selection

Access the value of the first node of the current selection::

// if the node does not exist, calling to text() will result in an exception
$message = $crawler->filterXPath('//body/p')->text();

// avoid the exception passing an argument that text() returns when node does not exist
$message = $crawler->filterXPath('//body/p')->text('Default text content');

.. versionadded:: 4.3

The default argument of ``text()`` was introduced in Symfony 4.3.

Access the attribute value of the first node of the current selection::

$class = $crawler->filterXPath('//body/p')->attr('class');
Expand Down Expand Up @@ -298,8 +306,16 @@ and :phpclass:`DOMNode` objects::
Or you can get the HTML of the first node using
:method:`Symfony\\Component\\DomCrawler\\Crawler::html`::

// if the node does not exist, calling to html() will result in an exception
$html = $crawler->html();

// avoid the exception passing an argument that html() returns when node does not exist
$html = $crawler->html('Default <strong>HTML</strong> content');

.. versionadded:: 4.3

The default argument of ``html()`` was introduced in Symfony 4.3.

Expression Evaluation
~~~~~~~~~~~~~~~~~~~~~

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