(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 >= 5.0.1, PHP 7) Checks if a node represents text (no markup)
(PHP 5 >= 5.2.2, PHP 7) Returns the parent node of the current node
(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 is PHP
(PHP 5 >= 5.0.1, PHP 7) Checks if a node represents a comment