DataSift\Storyplayer\Cli\PlayStory_Command::findStoriesInFolder PHP Method

    protected function findStoriesInFolder($folder)
    {
        // use the SPL to do the heavy lifting
        $dirIter = new RecursiveDirectoryIterator($folder);
        $recIter = new RecursiveIteratorIterator($dirIter);
        $regIter = new RegexIterator($recIter, '/^.+Story\\.php$/i', RegexIterator::GET_MATCH);
        // what happened?
        $filenames = [];
        foreach ($regIter as $match) {
            $filenames[] = $match[0];
        }
        // let's get the list into some semblance of order
        sort($filenames);
        // all done
        return $filenames;
    }