Michael A. Peters wrote:
It seems that if I use loadXML($string) and the $string has a namespace
defined in it, domdocument is nuking the namespace and changing the
nodenames from whatever to defaultwhatever.
Example -
<math xmlns="http://www.w3.org/1998/Math/MathML";>
<mrow>
*snip*
</mrow>
</math>
would get changed to
<defaultmath>
<defaultmrow>
*snip*
</defaultmrow>
</defaultmath>
which of course breaks the page.
It seems to be related to the "xml" island concept of (x)html 5 where
for compatibility with IE and MathType etc. an xmlns is declared as an
attribute but a prefix isn't declared (IE no m:math).
To solve it, on the buffered string that gets imported I run:
function nsIsland($string) {
$search[] = "/<math\s([^xmlns]*)xmlns=[^\s>]*/";
$replace[] = "<math $1";
return preg_replace($search,$replace,$string);
}
(I assume I may have to add a search/replace for svg) - then after
import I look for math nodes and add the xmlns attribute back to them,
and it seems to work.
A bit hackish, I'm guessing a future version of DOMDocument may take the
html5 "xml island" into consideration, but this works now.
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