tidyNode->isHtml Returns true if this node is part of a HTML document &reftitle.description; booltidyNode->isHtml Tells if the current node is part of HTML document. &reftitle.returnvalues; Returns &true; if the node is part of a HTML document, &false; otherwise. &reftitle.notes; This function was named tidy_node->is_html in PHP 4/Tidy 1.