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<?php
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namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard;
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use NumberFormatter;
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use PhpOffice\PhpSpreadsheet\Exception;
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final class Locale
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{
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/**
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* Language code: ISO-639 2 character, alpha.
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* Optional script code: ISO-15924 4 alpha.
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* Optional country code: ISO-3166-1, 2 character alpha.
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* Separated by underscores or dashes.
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*/
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public const STRUCTURE = '/^(?P<language>[a-z]{2})([-_](?P<script>[a-z]{4}))?([-_](?P<country>[a-z]{2}))?$/i';
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private NumberFormatter $formatter;
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public function __construct(?string $locale, int $style)
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{
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if (class_exists(NumberFormatter::class) === false) {
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throw new Exception();
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}
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$formatterLocale = str_replace('-', '_', $locale ?? '');
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$this->formatter = new NumberFormatter($formatterLocale, $style);
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if ($this->formatter->getLocale() !== $formatterLocale) {
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throw new Exception("Unable to read locale data for '{$locale}'");
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}
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}
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public function format(bool $stripRlm = true): string
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{
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$str = $this->formatter->getPattern();
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return ($stripRlm && str_starts_with($str, "\xe2\x80\x8f")) ? substr($str, 3) : $str;
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}
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}
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