PHP has a number of ways to create and parse XML documents. XML extension (enabled by default) uses bundled %Expat% by James Clark. |0000FF|Will use %GNOME XML library% (libxml2) in PHP 5.0| DOM XML extension (--with-dom) |0000FF|Enabled by default in PHP 5.0| XML-RPC extension (--with-xmlrpc, uses bundled %libxmlrpc%) Simplexml (PHP 5.0 only) |0000FF|Enabled by default in PHP 5.0| SOAP (PHP 5.0 only) |0000FF|bundled with PHP 5.0| WDDX (--enable-wddx) |0000FF|not really xml|