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

2002-09-26 Thread John Holmes
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

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

2002-09-26 Thread Marek Kilimajer
Hope the sites have no banners :), they change all the time John Holmes wrote: 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

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

2002-09-26 Thread Erwin
Marek Kilimajer wrote: Hope the sites have no banners :), they change all the time But the URL to the banners will be the same, so that's no change in the HTML code ;-)) [SNIP] -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php

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

2002-09-26 Thread Justin French
Same with sites that have negligible daily changes (like today's date dynamically inserted), or random changes (a random quote, tip, stock quote, product, image, etc etc would all screw that up). Justin on 26/09/02 11:03 PM, Marek Kilimajer ([EMAIL PROTECTED]) wrote: Hope the sites have no

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

2002-09-26 Thread John Holmes
Message- From: Justin French [mailto:[EMAIL PROTECTED]] Sent: Thursday, September 26, 2002 10:25 AM To: Marek Kilimajer; PHP Subject: Re: [PHP] Finding out when a Web page has changed Same with sites that have negligible daily changes (like today's date dynamically inserted), or random

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

2002-09-26 Thread Vikram Vaswani
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

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

2002-09-26 Thread Vikram Vaswani
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