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Feb 4, 2014
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Changes to components domcrawler #3527

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16 changes: 9 additions & 7 deletions components/dom_crawler.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -55,11 +55,11 @@ interacting with html links and forms as you traverse through the HTML tree.
.. note::

The DomCrawler will attempt to automatically fix your HTML to match the
official specification. For example, if you nest a `` <p>`` tag inside
another `` <p>`` tag, it will be moved to be a sibling of the parent tag.
official specification. For example, if you nest a ``<p>`` tag inside
another ``<p>`` tag, it will be moved to be a sibling of the parent tag.
This is expected and is part of the HTML5 spec. But if you're getting
unexpected behavior, this could be a cause. And while the DomCrawler
isn't meant to dump content, you can see the "fixed" version if your HTML
isn't meant to dump content, you can see the "fixed" version of your HTML
by :ref:`dumping it <component-dom-crawler-dumping>`.

Node Filtering
Expand All @@ -83,10 +83,12 @@ Anonymous function can be used to filter with more complex criteria::
use Symfony\Component\DomCrawler\Crawler;
// ...

$crawler = $crawler->filter('body > p')->reduce(function (Crawler $node, $i) {
// filter even nodes
return ($i % 2) == 0;
});
$crawler = $crawler
->filter('body > p')
->reduce(function (Crawler $node, $i) {
// filter even nodes
return ($i % 2) == 0;
});

To remove a node the anonymous function must return false.

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