Takes a given directory and lists all the files and folders under it, including sub folders. Resulting array contains associative (folders) and indexed (files) elements. Doesn't return "." and ".."

This function takes a directory, and a "folder" search parameter.
If it finds the directory (either in single level, or any sub folder) it will return the relative path of that folder. "FALSE" if not found. Skips over files and "." and ".." directories. Recursive by default.

This function tries to locate a file in a give folder (either single level, or in any sub folder). Returns the relative file and path, or FALSE if not found. Skips over "." and "..".

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