libxml Functionslibxml
&reftitle.intro;
These functions/constants are available since PHP 5.1.0 and if you have
compiled one of the extensions based on libxml, like DOM, SimpleXML and XSLT.
&reftitle.required;
This extension requires libxml >=
2.6.0.
&reference.libxml.constants;
&reference.libxml.functions;