(PHP 5, PHP 7) Creates a new DOMDocument object

(PHP 5, PHP 7) Validates the document based on its DTD

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

(PHP 5, PHP 7) Adds a new child before a reference node

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

(PHP 5 >= 5.0.1, PHP 7) Checks if a node represents text (no markup)

(PHP 5, PHP 7) Declares the attribute specified by local name and namespace URI to be of type ID

(PHP 5 >= 5.2.2, PHP 7) Returns the parent node of the current node