| Re: Checking equal number of <div> and </div> [message #171364 is a reply to message #171307] |
Thu, 30 December 2010 20:54   |
Chuck Anderson
Messages: 63
Registered: September 2010
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Álvaro G. Vicario wrote:
> El 30/12/2010 2:19, jwcarlton escribió/wrote:
>> Can you guys think of a good way for me to check a string to make sure
>> there are an equal number of<div (.*)> and</div>? Then, either add
>> or remove</div> tags as needed to make them match?
>
> If you don't care about the exact way to fix the mismatched tags, you
> can just feed the fragment to an instance of DOMDocument and let it
> repair the HTML for you:
>
> <?php
>
> $fragment = '<div style="font-weight: bold">Lorem ipsum <div>dolor sit
> amet,
> <strong><em>luptate</strong></em>. Excepteur proident,
> <div class="foo">sunt in culpa</div> officia est laborum.';
>
> $dom = new DOMDocument;
> libxml_use_internal_errors(TRUE);
> $dom->loadHTML($fragment);
> libxml_use_internal_errors(FALSE);
> echo $dom->saveHTML();
>
> ?>
>
> This prints:
>
> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
> "http://www.w3.org/TR/REC-html40/loose.dtd">
> <html><body><div style="font-weight: bold">Lorem ipsum <div>dolor sit
> amet,
> <strong><em>luptate</em></strong>. Excepteur proident,
> <div class="foo">sunt in culpa</div> officia est
> laborum.</div></div></body></html>
>
> (There's probably a way to print only the node but I still haven't
> figured it out.)
I believe this user comment at php.net might have a solution for that.
http://us3.php.net/manual/en/class.domdocument.php#96709
--
Chuck Anderson • Boulder, CO
cycletourist.com
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