This is a method that will return an array of file paths from a directory. It’s┬ácontained within CrayonUtil and calls other utility methods in that class, but can be ripped out if needed.
/**
 * @param $path A directory
 * @param array $args Argument array:
 *      hidden: If true, hidden files beginning with a dot will be included
 *      ignoreRef: If true, . and .. are ignored
 *      recursive: If true, this function is recursive
 *      ignore: An array of paths to ignore
 * @return array Files in the directory
 */
public static function getFiles($path, $args = array()) {
    $hidden = self::set_default($args['hidden'], TRUE);
    $ignoreRef = self::set_default($args['ignoreRef'], TRUE);
    $recursive = self::set_default($args['recursive'], FALSE);
    $ignore = self::set_default($args['ignore'], NULL);

    $ignore_map = array();
    if ($ignore) {
        foreach ($ignore as $i) {
            if (is_dir($i)) {
                $i = CrayonUtil::path_slash($i);
            }
            $ignore_map[$i] = TRUE;
        }
    }

    $files = glob($path . '*', GLOB_MARK);
    if ($hidden) {
        $files = array_merge($files, glob($path . '.*', GLOB_MARK));
    }
    if ($ignoreRef || $ignore) {
        $result = array();
        for ($i = 0; $i < count($files); $i++) {
            $file = $files[$i];
            if (!isset($ignore_map[$file]) && (!$ignoreRef || (basename($file) != '.' && basename($file) != '..'))) {
                $result[] = $file;
                if ($recursive && is_dir($file)) {
                    $result = array_merge($result, self::getFiles($file, $args));
                }
            }
        }
    } else {
        $result = $files;
    }
    return $result;
}