note 116753 added to function.get-headers

@Jim Greene: if the URL does not exist, it returns incomplete headers, making the substring default to rubbish. The integer value of rubbish is always 0. So your lower than 400 does not always means it exists! ---- Server IP: 72.52.91.14 Probable Submitter: 178.85.21.173 ---- Manual Page -- http://php.net/manual/en/function.get-headers.php Edit -- https://master.php.net/note/edit/116753 Del: integrated -- https://master.php.net/note/delete/116753/integrated Del: useless -- https://master.php.net/note/delete/116753/useless Del: bad code -- https://master.php.net/note/delete/116753/bad+code Del: spam -- https://master.php.net/note/delete/116753/spam Del: non-english -- https://master.php.net/note/delete/116753/non-english Del: in docs -- https://master.php.net/note/delete/116753/in+docs Del: other reasons-- https://master.php.net/note/delete/116753 Reject -- https://master.php.net/note/reject/116753 Search -- https://master.php.net/manage/user-notes.php