PHP Manual: Indicates if the document is a XHTML document

Object oriented style

bool tidy::isXhtml ( void )

Procedural style

bool tidy_is_xhtml ( tidy $object )

Tells if the document is a XHTML document.

This function returns TRUE if the specified tidy object is a XHTML document, or FALSE otherwise.

Warning

This function is not yet implemented in the Tidylib itself, so it always return FALSE.