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Bug #32547 DOMDocument->loadHTML() seems to broke (utf-8 russian) codepage
Submitted: 2005-04-02 18:58 UTC Modified: 2010-12-20 11:51 UTC
From: xlex0x835 at rambler dot ru Assigned: rrichards (profile)
Status: Not a bug Package: DOM XML related
PHP Version: 5.0.3 OS: Mac OS X 10.3, FreeBSD 5.3
Private report: No CVE-ID: None
View Developer Edit
 [2005-04-02 18:58 UTC] xlex0x835 at rambler dot ru 
Description:
------------
If I use DOMDocument->loadHTML() method with an utf-8 
HTML, which contains russian characters, that russian 
characters just messed (please see 'Actual result').

Nothing changed if I specify encoding "by hand" (I mean 
the following call: "$domDoc = new DOMDocument('1.0', 
'utf-8');").

But, eveything works just fine if I use DOMDocument-
>loadXML() method (that's why there is xml definition 
string in the input).

Nothing changed if I will remove all $domDoc options, 
neither removing "<?xml ... ?>" string (it is actually 
exist only to get one source for both loadHTML() and 
loadXML() functions call - to test error).

The problem was discrovered on the "real-world" HTML, 
the code was stripped to the minimum for the ease of 
use.


Host info.
===================================

[PHP Modules (on FreeBSD 5.3 host)]
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zlib

No Zend modules.


FreeBSD 5.3-RELEASE
libxml2-2.6.13
gcc (GCC) 3.4.2 [FreeBSD] 20040728

Reproduce code:
---------------
<?php 

$xmlContent = file_get_contents('input_test'); 

$domDoc = new DOMDocument(); 
$domDoc->formatOutput = true; 
$domDoc->preserveWhiteSpace = false; 
$domDoc->recover = true; 
$domDoc->loadXML($xmlContent); 
???????? 
file_put_contents('output_test', $domDoc->saveXML()); 
?> 



input_test:
===========
<?xml version="1.0" encoding="utf-8"?>
<html>
<head>
<title>???? - Test</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
</html>

Expected result:
----------------
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 
Transitional//EN" "http://www.w3.org/TR/REC-html40/
loose.dtd">
<html>
  <head>
    <title>???? - Test</title>
    <meta http-equiv="Content-Type" content="text/html; 
charset=utf-8"/>
  </head>
</html>

Actual result:
--------------
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 
Transitional//EN" "http://www.w3.org/TR/REC-html40/
loose.dtd">
<html>
  <head>
    <title>Тест - Test</title>
    <meta http-equiv="Content-Type" content="text/html; 
charset=utf-8"/>
  </head>
</html>

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 [2005-04-03 19:44 UTC] xlex0x835 at rambler dot ru 
Problem seems to be detected: if I will put <meta> tag 
just after the title, document will be parsed absolutely 
correct.
Is it libxml bug or PHP bindings?
 [2005-04-04 08:40 UTC] chregu@php.net 
Not a bug, IMHO. HTML 4 is not XML, therefore it doesn't know about the <?xml ?> processing instruction and doesn't apply that information. You have to use the meta tag in html 4 (loadHTML is only about HTML 4 and not XHTML)

I may be wrong with that assumption, so please point me to the right specs, if loadHTML should recognize that.

But anyway, not a PHP bug, but basically a libxml2 "problem"
 [2005-04-04 09:09 UTC] xlex0x835 at rambler dot ru 
As for <xml>, please, read more carefully. I told, that 
I put that tag just to have one correct source for both 
loadHTML() and loadXML() methods.

As for libxml - thank you to confirm that it is that lib 
problem.
 [2005-04-04 09:14 UTC] tony2001@php.net 
No PHP bug -> bogus.
 [2010-12-20 11:51 UTC] jani@php.net
-Package: Tidy +Package: DOM XML related
 
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