RE: [PHP] Finding out when a Web page has changed

Yup, thought of that one - but it just seems a little sub-optimal ;) Any way to do this without resorting to a brute-force "read the entire file stream over HTTP"? I can't think of one, so I guess I may do it this way after all - but if something occurs to you, or anyone else on the list, please let me know. Thanks for the help :) Vikram >You could cache/save the actual contents of the file, then when you read >it next time, compare it to what you saved and see if it changed. You >may want to filter out everything but what's between <body> and </body>, >so you're not thinking it changed just b/c of something in the >headers... > >---John Holmes... > >> -----Original Message----- >> From: Vikram Vaswani [mailto:vikram@w-o-i.com] >> Sent: Thursday, September 26, 2002 7:04 AM >> To: php-general@lists.php.net >> Subject: [PHP] Finding out when a Web page has changed >> >> Hi all, >> >> I need to write an application that accepts a list of URLs and checks >them >> on a daily basis (via cron) to see if the pages have changed in the >past >> day. >> >> I need some help with this. Does anyone know the most optimal way to >find >> out when a particular Web page has been modified? I am thinking about >> using >> the Last-Modified: HTTP header - however, all servers do not return >this >> header - any ideas on what the fallback should be? >> >> TIA, >> >> Vikram >> -- >> "I find your lack of faith disturbing." >> --Darth Vader >> >> -- >> PHP General Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php > >