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Check if a list of webpages contains given word

Posted: Sun Apr 20, 2008 12:10 am
by jarman
I'm writing a script in which user writes a set of urls and the script checks if the webpages under given urls contain given word.

I first download the whole page content using file($url) funtion and then analyze it in search of given word using strpos. It's slow and if a user writes 50 pages it's very gvery slow.

Is there a way to speed it up?