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DomDocument and special characters

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轮回少年
轮回少年 2020-12-14 16:47

This is my code:

$oDom = new DOMDocument();
$oDom->loadHTML(\"èàéìòù\");
echo $oDom->saveHTML();

This is the output:
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8条回答
  • 别那么骄傲
    2020-12-14 16:50

    This way:

    /**
 * @param string $text
 * @return DOMDocument
 */
private function buildDocument($text)
{
    $dom = new DOMDocument();

    libxml_use_internal_errors(true);
    $dom->loadHTML('<meta http-equiv="Content-Type" content="text/html; charset=utf-8">' . $text);
    libxml_use_internal_errors(false);

    return $dom;
}
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  • 旧巷少年郎
    2020-12-14 17:00

    Solution:

    $oDom = new DOMDocument();
$oDom->encoding = 'utf-8';
$oDom->loadHTML( utf8_decode( $sString ) ); // important!

$sHtml = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
$sHtml .= $oDom->saveHTML( $oDom->documentElement ); // important!

    The saveHTML() method works differently specifying a node. You can use the main node ($oDom->documentElement) adding the desired !DOCTYPE manually. Another important thing is utf8_decode(). All the attributes and the other methods of the DOMDocument class, in my case, don't produce the desired result.

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  • 名媛妹妹
    2020-12-14 17:05

    Looks like you just need to set substituteEntities when you create the DOMDocument object.

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  • 攒了一身酷
    2020-12-14 17:06

    The issue appears to be known, according to the user comments on the manual page at php.net. Solutions suggested there include putting

    <meta http-equiv="content-type" content="text/html; charset=utf-8">

    in the document before you put any strings with non-ASCII chars in.

    Another hack suggests putting 

    <?xml encoding="UTF-8">

    as the first text in the document and then removing it at the end.

    Nasty stuff. Smells like a bug to me.

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  • 眼角桃花
    2020-12-14 17:10

    I don't know why the marked answer didn't work for my problem. But this one did.

    ref: https://www.php.net/manual/en/class.domdocument.php

    <?php

            // checks if the content we're receiving isn't empty, to avoid the warning
            if ( empty( $content ) ) {
                return false;
            }

            // converts all special characters to utf-8
            $content = mb_convert_encoding($content, 'HTML-ENTITIES', 'UTF-8');

            // creating new document
            $doc = new DOMDocument('1.0', 'utf-8');

            //turning off some errors
            libxml_use_internal_errors(true);

            // it loads the content without adding enclosing html/body tags and also the doctype declaration
            $doc->LoadHTML($content, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);

            // do whatever you want to do with this code now

?>
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  • 星月不相逢
    2020-12-14 17:15 
    $dom = new DomDocument();
$str = htmlentities($str);
$dom->loadHTML(utf8_decode($str));
$dom->encoding = 'utf-8';
.
.
.
$str = $dom->saveHTML();
$str = html_entity_decode($str);

    The above code worked for me.

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