(PHP 5, PHP 7) Replaces a child public DOMNode

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

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

(PHP 5, PHP 7) Checks if the specified namespaceURI is the default namespace or not

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

(PHP 5, PHP 7) Checks if node has children

(PHP 5, PHP 7) Indicates if two nodes are the same node