train::init_station_code PHP Method

    public static function init_station_code()
    {
        self::$station = array();
        $stations = explode('|', self::coding(self::$station_names));
        $total = count($stations);
        for ($i = 0; $i < $total; $i += 5) {
            if (isset($stations[$i + 1]) && isset($stations[$i + 2])) {
                self::$station[$stations[$i + 1]] = $stations[$i + 2];
            }
        }
    }