I have a script that takes an RSS feed URL and displays certain items from it based on the keywords that I select. I'm using the preg_match function to search the title and return only the items that match the keywords that I enter for the preg_match function. The problem is that if I have an item with the title: "News in Computer Programming," and my keywords are "computer" and "programming," then the RSS item "News in Computer Programming" will appear in the filtered feed twice-once for each keyword. How do I prevent that from happening?
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