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

(PHP 5, PHP 7) Dumps the internal document into a file using HTML formatting

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

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

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

(PHP 5, PHP 7) Retrieves a node specified by local name and namespace URI

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

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

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

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