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Using CURL to scrape - Why are my results cached?


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I'm just doing a simple scrape on a web page.. works great, except...  the section I scrape is just 10 words inside a table which are updated every few hours. 


Problem is...  my scrape seems to only grab what I found the first time I ran my script, despite the new words being updated a couple hours ago. 


I've tested everything script wise and looked at the html source to be sure everything is showing up... just wondering, is there any thing you can think of that would allow for caching (from source site or the php script) of the words on a page when running my script?  I even opened 2 different browsers and ran the script fresh from these browsers that had never ran it.  When I echo the results, I still get the original result set.


I'm perplexed. 

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