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Re: How to browse through pages automatically

On Apr 15, 2008, at 3:22 PM, Mark Wheeler wrote:

Can a PHP script, when given the correct "starting" page, automatically click through the 2 pages - parse the page somehow - necessary to update the prices? It's just as if I were doing it, but the script is the "browser" instead of me. I'm thinking this can be called by a cron job. 

For simulating a web browser, Snoopy is good:

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

"Snoopy is a PHP class that simulates a web browser."

For parsing the HTML sent to the "browser," Tidy can convert invalid HTML to valid XML, and PHP's built-in DOM functions can parse XML:

http://tidy.sourceforge.net/
http://php.net/dom
http://php.net/domxml

Add in scheduling with cron and you've just created a search engine.

Peace,
Scott

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