Here's one example of a real life application of tidy parsing. Retrieves all the URLs in a document tag or not */ if($node->id == TIDY_TAG_A) { /* If we are, find the HREF attribute */ $attrib = $node->get_attr(TIDY_ATTR_HREF); if($attrib) { /* Add the value of the HREF attrib to $urls */ $urls[] = $attrib->value; } } /* Are there any children? */ if($node->has_children()) { /* Traverse down each child recursively */ foreach($node->children() as $child) { /* Append the results from recursion to $urls */ foreach(get_links($child) as $url) { $urls[] = $url; } } } return $urls; } ?>]]> ]]>