The following .zip file that is linked is a search engine written in PHP and its assets.

It worked fine until I cleared the files in the search_cache and added new URLs to be searched in config.php

Now, it says that there are no results for the word ' hello ' when searched even though all of the URLs to be search in config.php have the word hello in them.

Could anyone please help me figure out why, all of a sudden, I am getting no results ?

Here are the files.

or, here is just the code that powers the searchEngine ( although, I don't think it is anything wrong with this as i didn't change it and it worked fine. ).