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You're right, this is in the wrong forum I had meant to post this in the help section.  My apologies I was tired when I posted this last night.  Mod's, can you please move my post?  To answer your question, a web spider is a program that crawls the web and pulls back information.  All search engines (google, yahoo, msn) use a spider to crawl the web looking for new sites to index.  I need to bring my self up to speed on several aspects of PHP for a job I will be taking soon and they have asked that I develop a basic spider.

From what I've read, Perl would be a better language to make a spider. But as I can see - you're dealing with PHP. I also read that this function helps a lot when you try to tackle something like this in php.

 

http://sourceforge.net/projects/snoopy/

 

Perhaps a start would be to read up on php socket functions/xml parsing. I'm not sure how one would go about something like this ;)

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