libxml
&reftitle.intro;
These functions/constants are available as of PHP 5.1.0, and
the following core extensions rely on this libxml extension:
DOM,
libxml,
SimpleXML,
SOAP,
WDDX,
XSL,
XML,
XMLReader,
XMLRPC&listendand;
XMLWriter.
&reference.libxml.setup;
&reference.libxml.constants;
&reference.libxml.libxmlerror;
&reference.libxml.reference;