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04.16.2005 at 04:37AM PDT, ID: 21391211
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7.4

PHP script that monitors a list of URLs and notify me if a page has been updated

Asked by firepol in PHP Scripting Language

Tags: , , , ,

Hi guys, does it exist a PHP script that will notify me if a URL has changed (updated, modified) like the following:

given a list of links of websites I'm interested to follow and see the changes/updates, in example:

http://community.vugames.com/WebX?14@90.O2jSemUSn9j.10434099@.1dd9900e

http://community.vugames.com/WebX?14@90.O2jSemUSn9j.10433936@.1dd98641

http://community.vugames.com/WebX?11@90.O2jSemUSn9j.10435135@.1dd962aa

The list could be in a .txt file, or in a simple mysql db...

The script should to the following

1) list these links, so that I can click them

2) download the links (like if you open the link with your browser and "Save Page As..." > "Web Page, HTML only" but the PHP script should save it)

3) modify the filename, including e.g. the date and time in it. In example it the link is

http://community.vugames.com/WebX?11@90.O2jSemUSn9j.10435135@.1dd962aa

it could save it as community.vugames.com_WebX?11@90.O2jSemUSn9j.10435135@.1dd962aa_2005.04.16_16.32.45
(the link name should be converted in a way that it works under linux, so the slashes could be converted in underscores and the “http:” could be removed…)

4) compare the last saved version with the version saved before (that's why having a date and time in the file is useful)

I don't know the perfect way of comparing to be able to say if a URL has been updated or not, but if it's a site without banners (or at least with a fixed tag like banner.gif, where the banner.gif rotates, but the html looks always the same) i think that comparing the file size is enough...

What I want to achieve is to see in a forum (a forum that has no auto-notification via e-mail) if new replies have been added to the thread, or if they have been modified by the authors...

5) if the 2 pages are different, the script should notify me, e.g. including a warning or icon near the link

6) an ideal thing would be to have an "history" link and see when the pages have been updated, so that if i accidentally click "refresh" 2 times I don't lose this information

7) the perfect thing would be that if there are updates there will be an added link that if I click I see what are the changes (like the output of the “diff” command under linux, something simple should be enough)

Do you know if there is already such a script elsewhere in the open source world?

If not, can you script the simplest solution to do what I mentioned above?

Thanks a bunch, 500 points if you do this ;)

sincerely,

PaoloStart Free Trial
[+][-]04.16.2005 at 04:54AM PDT, ID: 13797029

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[+][-]04.16.2005 at 05:02AM PDT, ID: 13797048

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[+][-]04.16.2005 at 05:04AM PDT, ID: 13797050

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[+][-]04.16.2005 at 03:00PM PDT, ID: 13799145

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[+][-]04.20.2005 at 11:36AM PDT, ID: 13827344

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About this solution

Zone: PHP Scripting Language
Tags: notify, script, me, php, has
Sign Up Now!
Solution Provided By: Vampireofdarkness
Participating Experts: 4
Solution Grade: A
 
 
[+][-]04.20.2005 at 11:37AM PDT, ID: 13827358

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[+][-]04.20.2005 at 12:03PM PDT, ID: 13827601

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[+][-]04.21.2005 at 12:46AM PDT, ID: 13831498

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