(PHP 5, PHP 7) Dumps the internal XML tree back into a file

(PHP 5, PHP 7) Performs relaxNG validation on the document

(PHP 5, PHP 7) Adds new attribute node to element

(PHP 5, PHP 7) Test if the DOM implementation implements a specific feature

(PHP 5 >= 5.2.0, PHP 7) Canonicalize nodes to a file

(PHP 5, PHP 7) Creates a DOMDocument object of the specified type with its document element

(PHP 5 >= 5.3.0, PHP 7) Register PHP functions as XPath functions

(PHP 5, PHP 7) Create new cdata node public DOMCDATASection

(PHP 5, PHP 7) Constructs a new DOMCdataSection object

(PHP 5, PHP 7) Adds new child at the end of the children