libphonenumber\prefixmapper\PrefixFileReader::loadMappingFileProvider PHP Метод

    protected function loadMappingFileProvider()
    {
        $mapPath = $this->phonePrefixDataDirectory . DIRECTORY_SEPARATOR . "Map.php";
        if (!file_exists($mapPath)) {
            throw new \InvalidArgumentException("Invalid data directory");
        }
        $map = (require $mapPath);
        $this->mappingFileProvider = new MappingFileProvider($map);
    }