(PHP 5 >= 5.0.1, PHP 7) Identifies an element's attributes

(PHP 4, PHP 5, PHP 7) Set up start and end element handlers

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) End current element

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

(^) Creates an XML Document object from scratch, without the need to load a document from a file or string

(PHP 5, PHP 7) Transform to XML string XSLTP

(PHP 5 >= 5.1.3, PHP 7) Adds an attribute to the SimpleXML element

(^) Saves the SDO_DAS_XML_Document object to a string

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) End current DTD Entity

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Create an XML parser with namespace support