PHP DOMDocument saveHTML not encoding cyrillic correctly

Question

I use DOMDocument to manipulate html and php 7. The problem is that text shows good on page (cyrillic), but when I go to "See HTML page source", it is not good. It shows like this: Здесь осн

What might be wrong? <meta> charset is utf-8. My code:

$dom = new DOMDocument();
if (@$dom->loadHTML(mb_convert_encoding("<div>$body</div>", 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD)) {

    // https://stackoverflow.com/questions/29493678/loadhtml-libxml-html-noimplied-on-an-html-fragment-generates-incorrect-tags

    $container = $dom->getElementsByTagName('div')->item(0);
    $container = $container->parentNode->removeChild($container);

    while ($dom->firstChild)
        $dom->removeChild($doc->firstChild);

    while ($container->firstChild )
        $dom->appendChild($container->firstChild);

    $xpath = new DOMXPath($dom); 
    $headlines = $xpath->query("//h2");
    // some code..

    return $dom->saveHTML();
}

Please verify your encoding document page : stackoverflow.com/questions/14927122/… — Weenesta - Mathieu Dormeval
– Weenesta - Mathieu Dormeval, Commented Nov 23, 2017 at 11:05

Code4R7 · Accepted Answer · 2017-11-23 11:06:21Z

9

+50

The problem is with $dom->saveHTML();, you need to add the root node as a parameter, like this:

return $dom->saveHTML((new \DOMXPath($dom))->query('/')->item(0));

The suddenly it renders the page differently, with substitution. If it does not, double check the values of $dom->encoding and $dom->substituteEntities, they should read UTF-8 and TRUE.

answered Nov 23, 2017 at 11:06

Code4R7

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4 Comments

sirjay Over a year ago

How did you know that, my friend? I read a lot of sources and nobody wrote about this solution

Code4R7 Over a year ago

From memory, I had the same problem with my own framework years ago. The shorter syntax would be $dom->saveHTML($dom->documentElement);

Code4R7 Over a year ago

@sirjay Others found the solution as well. The behaviour is not document on php.net. Also Google has no results about this, so it must be something within the SaveHTML function passing parameters to libxml, I doubt the PHP team knowns this, there is no bug report. It's something users found out for themselves.

G Trawo Over a year ago

Incredible, this fix saved our bacon still in 2024. Would never have known how to fix this issue without this!

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