public $links_found = array()
Every element of that numeric array contains the following keys again:
link_raw - contains the raw link as it was found
url_rebuild - contains the full qualified URL the link leads to
linkcode - the html-codepart that contained the link.
linktext - the linktext the link was layed over (may be empty).
So e.g $page_data["links_found"]["link_raw"] contains the fifth link that was found in the current page.
(May be something like "../../foo.html").