(PHP 5 >= 5.0.1, PHP 7) Checks if this node is ASP

(PHP 5 >= 5.0.1, PHP 7) Checks if a node has siblings

(PHP 5 >= 5.0.1, PHP 7) Checks if a node is part of a HTML document

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

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

(PHP 5 >= 5.0.1, PHP 7) Checks if this node is JSTE

(PHP 5 >= 5.0.1, PHP 7) Checks if a node has children

(PHP 5 >= 5.0.1, PHP 7) Checks if a node represents a comment

(PHP 5 >= 5.0.1, PHP 7) Checks if a node is PHP