255 lines
7.4 KiB
PHP
255 lines
7.4 KiB
PHP
<?php
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namespace Illuminate\Translation;
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use Illuminate\Support\Str;
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class MessageSelector
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{
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/**
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* Select a proper translation string based on the given number.
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*
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* @param string $line
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* @param int $number
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* @param string $locale
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* @return mixed
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*/
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public function choose($line, $number, $locale)
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{
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$segments = explode('|', $line);
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if (($value = $this->extract($segments, $number)) !== null) {
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return trim($value);
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}
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$segments = $this->stripConditions($segments);
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$pluralIndex = $this->getPluralIndex($locale, $number);
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if (count($segments) == 1 || ! isset($segments[$pluralIndex])) {
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return $segments[0];
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}
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return $segments[$pluralIndex];
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}
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/**
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* Extract a translation string using inline conditions.
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*
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* @param array $segments
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* @param int $number
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* @return mixed
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*/
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private function extract($segments, $number)
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{
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foreach ($segments as $part) {
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if (! is_null($line = $this->extractFromString($part, $number))) {
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return $line;
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}
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}
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}
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/**
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* Get the translation string if the condition matches.
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*
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* @param string $part
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* @param int $number
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* @return mixed
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*/
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private function extractFromString($part, $number)
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{
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preg_match('/^[\{\[]([^\[\]\{\}]*)[\}\]](.*)/s', $part, $matches);
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if (count($matches) != 3) {
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return;
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}
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$condition = $matches[1];
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$value = $matches[2];
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if (Str::contains($condition, ',')) {
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list($from, $to) = explode(',', $condition, 2);
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if ($to == '*' && $number >= $from) {
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return $value;
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} elseif ($from == '*' && $number <= $to) {
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return $value;
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} elseif ($number >= $from && $number <= $to) {
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return $value;
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}
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}
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return $condition == $number ? $value : null;
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}
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/**
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* Strip the inline conditions from each segment, just leaving the text.
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*
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* @param array $segments
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* @return array
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*/
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private function stripConditions($segments)
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{
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return collect($segments)->map(function ($part) {
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return preg_replace('/^[\{\[]([^\[\]\{\}]*)[\}\]]/', '', $part);
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})->all();
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}
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/**
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* Get the index to use for pluralization.
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*
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* The plural rules are derived from code of the Zend Framework (2010-09-25), which
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* 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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* @param string $locale
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* @param int $number
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* @return int
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*/
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public function getPluralIndex($locale, $number)
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{
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$allowed_langs = config('localizer.allowed_langs');
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switch ($locale) {
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case 'az':
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case 'bo':
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case 'dz':
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case 'id':
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case 'id-ID':
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case 'ja':
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case 'jv':
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case 'ka':
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case 'km':
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case 'kn':
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case 'ko':
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case 'ms':
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case 'th':
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case 'tr':
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case 'vi':
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case 'vi-VN':
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case 'zh':
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case 'zh-TW':
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return 0;
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break;
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case 'af':
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case 'bn':
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case 'bg':
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case 'bg-BG':
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case 'ca':
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case 'da':
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case 'da-DK':
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case 'de':
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case 'de-DE':
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case 'el':
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case 'el-GR':
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case 'en':
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case 'en-AU':
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case 'en-GB':
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case 'en-US':
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case 'eo':
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case 'es':
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case 'es-ES':
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case 'es-MX':
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case 'et':
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case 'eu':
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case 'fa':
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case 'fi':
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case 'fo':
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case 'fur':
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case 'fy':
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case 'gl':
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case 'gu':
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case 'ha':
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case 'he':
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case 'hu':
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case 'is':
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case 'it':
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case 'it-IT':
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case 'ku':
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case 'lb':
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case 'ml':
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case 'mn':
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case 'mr':
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case 'nah':
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case 'nb':
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case 'nb-NO':
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case 'ne':
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case 'nl':
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case 'nl-NL':
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case 'nn':
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case 'no':
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case 'om':
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case 'or':
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case 'pa':
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case 'pap':
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case 'ps':
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case 'pt':
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case 'so':
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case 'sq':
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case 'sq-AL':
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case 'sv':
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case 'sv-SE':
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case 'sw':
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case 'ta':
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case 'te':
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case 'tk':
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case 'tr-TR':
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case 'ur':
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case 'zu':
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return ($number == 1) ? 0 : 1;
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case 'am':
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case 'bh':
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case 'fil':
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case 'fr':
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case 'fr-FR':
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case 'gun':
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case 'hi':
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case 'hy':
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case 'ln':
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case 'mg':
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case 'nso':
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case 'pt-BR':
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case 'xbr':
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case 'ti':
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case 'wa':
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return (($number == 0) || ($number == 1)) ? 0 : 1;
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case 'be':
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case 'bs':
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case 'hr':
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case 'hr-HR':
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case 'ru':
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case 'ru-RU':
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case 'sr':
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case 'uk':
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return (($number % 10 == 1) && ($number % 100 != 11)) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
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case 'cs':
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case 'cs-CZ':
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case 'sk':
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return ($number == 1) ? 0 : ((($number >= 2) && ($number <= 4)) ? 1 : 2);
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case 'ga':
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return ($number == 1) ? 0 : (($number == 2) ? 1 : 2);
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case 'lt':
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return (($number % 10 == 1) && ($number % 100 != 11)) ? 0 : ((($number % 10 >= 2) && (($number % 100 < 10) || ($number % 100 >= 20))) ? 1 : 2);
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case 'sl':
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return ($number % 100 == 1) ? 0 : (($number % 100 == 2) ? 1 : ((($number % 100 == 3) || ($number % 100 == 4)) ? 2 : 3));
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case 'mk':
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return ($number % 10 == 1) ? 0 : 1;
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case 'mt':
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return ($number == 1) ? 0 : ((($number == 0) || (($number % 100 > 1) && ($number % 100 < 11))) ? 1 : ((($number % 100 > 10) && ($number % 100 < 20)) ? 2 : 3));
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case 'lv':
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return ($number == 0) ? 0 : ((($number % 10 == 1) && ($number % 100 != 11)) ? 1 : 2);
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case 'pl':
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return ($number == 1) ? 0 : ((($number % 10 >= 2) && ($number % 10 <= 4) && (($number % 100 < 12) || ($number % 100 > 14))) ? 1 : 2);
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case 'cy':
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return ($number == 1) ? 0 : (($number == 2) ? 1 : ((($number == 8) || ($number == 11)) ? 2 : 3));
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case 'ro':
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return ($number == 1) ? 0 : ((($number == 0) || (($number % 100 > 0) && ($number % 100 < 20))) ? 1 : 2);
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case 'ar':
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return ($number == 0) ? 0 : (($number == 1) ? 1 : (($number == 2) ? 2 : ((($number % 100 >= 3) && ($number % 100 <= 10)) ? 3 : ((($number % 100 >= 11) && ($number % 100 <= 99)) ? 4 : 5))));
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default:
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return 0;
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}
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}
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}
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