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

(PHP 5 >= 5.2.0, PHP 7) Set the filename or URI for a RelaxNG Schema

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Create start CDATA tag

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

(^) Returns root element's name string SDO

(^) Test to see if this SDO_Model_Type is an abstract data type

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Set string used for indenting

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

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

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