(PHP 5 >= 5.1.0, PHP 7) Set the data containing a RelaxNG Schema

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

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

(PHP 5 >= 5.2.0, PHP 7) Creates a prefix/ns context for the next XPath query

(PHP 5 >= 5.2.0, PHP 7) Alias of

(PHP 5 >= 5.1.0, PHP 7) Position cursor on the first Attribute

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

(PHP 4, PHP 5, PHP 7) Create an XML parser resource

(PHP 5 >= 5.1.0, PHP 7) Set parser options

(PHP 4, PHP 5, PHP 7) Encodes an ISO-8859-1 string to UTF-8