(PHP 4, PHP 5, PHP 7) Serialize a single value into a WDDX packet

(^) Returns root element's name string SDO

(^) End change logging void SDO_DAS_Chang

(^) Returns the root SDO_DataObject SDO_DataObject

(PHP 5 >= 5.2.0, PHP 7) Retrieve XML from current node

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Write full namespaced element tag

(PHP 5 >= 5.1.0, PHP 7) Move cursor to next node skipping all subtrees

(^) Test to see if this is a sequenced type

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Write text

(PHP 5 >= 5.2.0, PHP 7) Reads the contents of the current node as a string