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];
}
}
}
