Compass::compassCompassNth PHP Method

    public static function compassCompassNth()
    {
        $args = func_get_args();
        $place = array_pop($args);
        $list = array();
        foreach ($args as $arg) {
            $list = array_merge($list, self::compassList($arg));
        }
        if ($place == 'first') {
            $place = 0;
        }
        if ($place == 'last') {
            $place = count($list) - 1;
        }
        if (isset($list[$place])) {
            return current(SassScriptLexer::$instance->lex($list[$place], new SassContext()));
        }
        return new SassBoolean(false);
    }