(PHP 5 >= 5.0.4, PHP 7) Determine if PHP has EXSLT support

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

(^) Get the default value for the property

(PHP 4, PHP 5, PHP 7) Unserializes a WDDX packet

(PHP 4, PHP 5, PHP 7) Get current line number for an XML parser

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

(PHP 5 >= 5.1.0, PHP 7) Checks whether the current element has sub elements.

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Gets xmlrpc type for a PHP value

(^) Create a child SDO_DataObject SDO_DataObject

(^) Return the property for the specified sequence index.