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<?php
namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard;
use NumberFormatter;
use PhpOffice\PhpSpreadsheet\Exception;
final class Locale
{
/**
* Language code: ISO-639 2 character, alpha.
* Optional script code: ISO-15924 4 alpha.
* Optional country code: ISO-3166-1, 2 character alpha.
* Separated by underscores or dashes.
*/
public const STRUCTURE = '/^(?P<language>[a-z]{2})([-_](?P<script>[a-z]{4}))?([-_](?P<country>[a-z]{2}))?$/i';
private NumberFormatter $formatter;
public function __construct(?string $locale, int $style)
{
if (class_exists(NumberFormatter::class) === false) {
throw new Exception();
}
$formatterLocale = str_replace('-', '_', $locale ?? '');
$this->formatter = new NumberFormatter($formatterLocale, $style);
if ($this->formatter->getLocale() !== $formatterLocale) {
throw new Exception("Unable to read locale data for '{$locale}'");
}
}
public function format(): string
{
return $this->formatter->getPattern();
}
}
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