226 lines
7.5 KiB
PHP
226 lines
7.5 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Contracts\Translation;
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use Symfony\Component\Translation\Exception\InvalidArgumentException;
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/**
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* A trait to help implement TranslatorInterface and LocaleAwareInterface.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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trait TranslatorTrait
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{
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private ?string $locale = null;
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/**
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* @return void
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*/
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public function setLocale(string $locale)
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{
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$this->locale = $locale;
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}
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public function getLocale(): string
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{
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return $this->locale ?: (class_exists(\Locale::class) ? \Locale::getDefault() : 'en');
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}
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public function trans(?string $id, array $parameters = [], ?string $domain = null, ?string $locale = null): string
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{
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if (null === $id || '' === $id) {
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return '';
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}
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if (!isset($parameters['%count%']) || !is_numeric($parameters['%count%'])) {
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return strtr($id, $parameters);
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}
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$number = (float) $parameters['%count%'];
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$locale = $locale ?: $this->getLocale();
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$parts = [];
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if (preg_match('/^\|++$/', $id)) {
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$parts = explode('|', $id);
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} elseif (preg_match_all('/(?:\|\||[^\|])++/', $id, $matches)) {
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$parts = $matches[0];
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}
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$intervalRegexp = <<<'EOF'
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/^(?P<interval>
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({\s*
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(\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*)
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\s*})
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(?P<left_delimiter>[\[\]])
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\s*
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(?P<left>-Inf|\-?\d+(\.\d+)?)
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\s*,\s*
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(?P<right>\+?Inf|\-?\d+(\.\d+)?)
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\s*
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(?P<right_delimiter>[\[\]])
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)\s*(?P<message>.*?)$/xs
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EOF;
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$standardRules = [];
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foreach ($parts as $part) {
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$part = trim(str_replace('||', '|', $part));
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// try to match an explicit rule, then fallback to the standard ones
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if (preg_match($intervalRegexp, $part, $matches)) {
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if ($matches[2]) {
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foreach (explode(',', $matches[3]) as $n) {
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if ($number == $n) {
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return strtr($matches['message'], $parameters);
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}
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}
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} else {
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$leftNumber = '-Inf' === $matches['left'] ? -\INF : (float) $matches['left'];
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$rightNumber = is_numeric($matches['right']) ? (float) $matches['right'] : \INF;
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if (('[' === $matches['left_delimiter'] ? $number >= $leftNumber : $number > $leftNumber)
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&& (']' === $matches['right_delimiter'] ? $number <= $rightNumber : $number < $rightNumber)
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) {
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return strtr($matches['message'], $parameters);
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}
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}
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} elseif (preg_match('/^\w+\:\s*(.*?)$/', $part, $matches)) {
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$standardRules[] = $matches[1];
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} else {
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$standardRules[] = $part;
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}
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}
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$position = $this->getPluralizationRule($number, $locale);
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if (!isset($standardRules[$position])) {
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// when there's exactly one rule given, and that rule is a standard
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// rule, use this rule
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if (1 === \count($parts) && isset($standardRules[0])) {
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return strtr($standardRules[0], $parameters);
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}
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$message = \sprintf('Unable to choose a translation for "%s" with locale "%s" for value "%d". Double check that this translation has the correct plural options (e.g. "There is one apple|There are %%count%% apples").', $id, $locale, $number);
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if (class_exists(InvalidArgumentException::class)) {
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throw new InvalidArgumentException($message);
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}
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throw new \InvalidArgumentException($message);
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}
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return strtr($standardRules[$position], $parameters);
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}
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/**
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* Returns the plural position to use for the given locale and number.
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*
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* The plural rules are derived from code of the Zend Framework (2010-09-25),
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* which is subject to the new BSD license (http://framework.zend.com/license/new-bsd).
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* Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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*/
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private function getPluralizationRule(float $number, string $locale): int
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{
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$number = abs($number);
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return match ('pt_BR' !== $locale && 'en_US_POSIX' !== $locale && \strlen($locale) > 3 ? substr($locale, 0, strrpos($locale, '_')) : $locale) {
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'af',
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'bn',
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'bg',
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'ca',
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'da',
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'de',
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'el',
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'en',
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'en_US_POSIX',
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'eo',
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'es',
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'et',
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'eu',
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'fa',
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'fi',
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'fo',
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'fur',
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'fy',
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'gl',
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'gu',
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'ha',
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'he',
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'hu',
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'is',
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'it',
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'ku',
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'lb',
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'ml',
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'mn',
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'mr',
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'nah',
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'nb',
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'ne',
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'nl',
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'nn',
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'no',
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'oc',
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'om',
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'or',
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'pa',
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'pap',
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'ps',
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'pt',
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'so',
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'sq',
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'sv',
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'sw',
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'ta',
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'te',
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'tk',
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'ur',
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'zu' => (1 == $number) ? 0 : 1,
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'am',
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'bh',
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'fil',
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'fr',
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'gun',
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'hi',
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'hy',
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'ln',
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'mg',
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'nso',
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'pt_BR',
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'ti',
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'wa' => ($number < 2) ? 0 : 1,
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'be',
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'bs',
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'hr',
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'ru',
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'sh',
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'sr',
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'uk' => ((1 == $number % 10) && (11 != $number % 100)) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2),
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'cs',
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'sk' => (1 == $number) ? 0 : ((($number >= 2) && ($number <= 4)) ? 1 : 2),
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'ga' => (1 == $number) ? 0 : ((2 == $number) ? 1 : 2),
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'lt' => ((1 == $number % 10) && (11 != $number % 100)) ? 0 : ((($number % 10 >= 2) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2),
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'sl' => (1 == $number % 100) ? 0 : ((2 == $number % 100) ? 1 : (((3 == $number % 100) || (4 == $number % 100)) ? 2 : 3)),
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'mk' => (1 == $number % 10) ? 0 : 1,
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'mt' => (1 == $number) ? 0 : (((0 == $number) || (($number % 100 > 1) && ($number % 100 < 11))) ? 1 : ((($number % 100 > 10) && ($number % 100 < 20)) ? 2 : 3)),
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'lv' => (0 == $number) ? 0 : (((1 == $number % 10) && (11 != $number % 100)) ? 1 : 2),
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'pl' => (1 == $number) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 12) || ($number % 100 > 14))) ? 1 : 2),
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'cy' => (1 == $number) ? 0 : ((2 == $number) ? 1 : (((8 == $number) || (11 == $number)) ? 2 : 3)),
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'ro' => (1 == $number) ? 0 : (((0 == $number) || (($number % 100 > 0) && ($number % 100 < 20))) ? 1 : 2),
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'ar' => (0 == $number) ? 0 : ((1 == $number) ? 1 : ((2 == $number) ? 2 : ((($number % 100 >= 3) && ($number % 100 <= 10)) ? 3 : ((($number % 100 >= 11) && ($number % 100 <= 99)) ? 4 : 5)))),
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default => 0,
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};
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}
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}
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