I'm trying to find a way to search text files in a directory using php. I've done some researching under the filesystem section on php.net but seem to have come up empty handed. Is there a way to do keyword searches on a txt file in a directory hopefully with some type of relevance ranking?
If you are on a unix system, you can just grep for the matches and then count the results. Send grep the list of files as input with your "keyword" -- and (I forget which option of grep it is man grep) grep will return the number of matches.
Will probably be faster than reading each file using PHP.
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