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

(PHP 5, PHP 7, PECL tidy >= 0.5.2) Indicates if the document is a XHTML document

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

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

(PHP 5 >= 5.1.0, PHP 7) Returns the documentation for the given option name

(PHP 5, PHP 7, PECL tidy >= 0.5.2) Get release date (version) for Tidy library

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

(PHP 5, PHP 7, PECL tidy >= 0.5.2) Returns the Number of Tidy warnings encountered for specified document

(PHP 5, PHP 7, PECL tidy >= 0.5.2) Returns the Number of Tidy configuration errors encountered for specified

(PHP 5, PHP 7, PECL tidy >= 0.5.2) Run configured diagnostics on parsed and repaired markup