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

(PHP 5 >= 5.1.0, PHP 7) Append raw XML data

(PHP 5, PHP 7) Validates a document based on a schema

(PHP 5, PHP 7) Retrieves a node specified by index

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

(PHP 5, PHP 7) Create new text node public DOMText

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

(PHP 5, PHP 7) Declares the attribute specified by node to be of type ID

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

(PHP 5, PHP 7, PECL tidy >= 0.5.2) Parse a document stored in a string