locale = (string) $locale; } public function getLocale() { return $this->locale ?: (\class_exists(\Locale::class) ? \Locale::getDefault() : 'en'); } public function trans($id, array $parameters = [], $domain = null, $locale = null) { if ('' === ($id = (string) $id)) { return ''; } if (!isset($parameters['%count%']) || !\is_numeric($parameters['%count%'])) { return \strtr($id, $parameters); } $number = (float) $parameters['%count%']; $locale = (string) $locale ?: $this->getLocale(); $parts = []; if (\preg_match('/^\\|++$/', $id)) { $parts = \explode('|', $id); } elseif (\preg_match_all('/(?:\\|\\||[^\\|])++/', $id, $matches)) { $parts = $matches[0]; } $intervalRegexp = <<<'EOF' /^(?P ({\s* (\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*) \s*}) | (?P[\[\]]) \s* (?P-Inf|\-?\d+(\.\d+)?) \s*,\s* (?P\+?Inf|\-?\d+(\.\d+)?) \s* (?P[\[\]]) )\s*(?P.*?)$/xs EOF; $standardRules = []; foreach ($parts as $part) { $part = \trim(\str_replace('||', '|', $part)); // try to match an explicit rule, then fallback to the standard ones if (\preg_match($intervalRegexp, $part, $matches)) { if ($matches[2]) { foreach (\explode(',', $matches[3]) as $n) { if ($number == $n) { return \strtr($matches['message'], $parameters); } } } else { $leftNumber = '-Inf' === $matches['left'] ? -\INF : (float) $matches['left']; $rightNumber = \is_numeric($matches['right']) ? (float) $matches['right'] : \INF; if (('[' === $matches['left_delimiter'] ? $number >= $leftNumber : $number > $leftNumber) && (']' === $matches['right_delimiter'] ? $number <= $rightNumber : $number < $rightNumber)) { return \strtr($matches['message'], $parameters); } } } elseif (\preg_match('/^\\w+\\:\\s*(.*?)$/', $part, $matches)) { $standardRules[] = $matches[1]; } else { $standardRules[] = $part; } } $position = $this->getPluralizationRule($number, $locale); if (!isset($standardRules[$position])) { // when there's exactly one rule given, and that rule is a standard // rule, use this rule if (1 === \count($parts) && isset($standardRules[0])) { return \strtr($standardRules[0], $parameters); } $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, $number); if (\class_exists(InvalidArgumentException::class)) { throw new InvalidArgumentException($message); } throw new \InvalidArgumentException($message); } return \strtr($standardRules[$position], $parameters); } private function getPluralizationRule(float $number, string $locale) : int { $number = \abs($number); switch ('pt_BR' !== $locale && 'en_US_POSIX' !== $locale && \strlen($locale) > 3 ? \substr($locale, 0, \strrpos($locale, '_')) : $locale) { case 'af': case 'bn': case 'bg': case 'ca': case 'da': case 'de': case 'el': case 'en': case 'en_US_POSIX': case 'eo': case 'es': case 'et': case 'eu': case 'fa': case 'fi': case 'fo': case 'fur': case 'fy': case 'gl': case 'gu': case 'ha': case 'he': case 'hu': case 'is': case 'it': case 'ku': case 'lb': case 'ml': case 'mn': case 'mr': case 'nah': case 'nb': case 'ne': case 'nl': case 'nn': case 'no': case 'oc': case 'om': case 'or': case 'pa': case 'pap': case 'ps': case 'pt': case 'so': case 'sq': case 'sv': case 'sw': case 'ta': case 'te': case 'tk': case 'ur': case 'zu': return 1 == $number ? 0 : 1; case 'am': case 'bh': case 'fil': case 'fr': case 'gun': case 'hi': case 'hy': case 'ln': case 'mg': case 'nso': case 'pt_BR': case 'ti': case 'wa': return $number < 2 ? 0 : 1; case 'be': case 'bs': case 'hr': case 'ru': case 'sh': case 'sr': case 'uk': return 1 == $number % 10 && 11 != $number % 100 ? 0 : ($number % 10 >= 2 && $number % 10 <= 4 && ($number % 100 < 10 || $number % 100 >= 20) ? 1 : 2); case 'cs': case 'sk': return 1 == $number ? 0 : ($number >= 2 && $number <= 4 ? 1 : 2); case 'ga': return 1 == $number ? 0 : (2 == $number ? 1 : 2); case 'lt': return 1 == $number % 10 && 11 != $number % 100 ? 0 : ($number % 10 >= 2 && ($number % 100 < 10 || $number % 100 >= 20) ? 1 : 2); case 'sl': return 1 == $number % 100 ? 0 : (2 == $number % 100 ? 1 : (3 == $number % 100 || 4 == $number % 100 ? 2 : 3)); case 'mk': return 1 == $number % 10 ? 0 : 1; case 'mt': return 1 == $number ? 0 : (0 == $number || $number % 100 > 1 && $number % 100 < 11 ? 1 : ($number % 100 > 10 && $number % 100 < 20 ? 2 : 3)); case 'lv': return 0 == $number ? 0 : (1 == $number % 10 && 11 != $number % 100 ? 1 : 2); case 'pl': return 1 == $number ? 0 : ($number % 10 >= 2 && $number % 10 <= 4 && ($number % 100 < 12 || $number % 100 > 14) ? 1 : 2); case 'cy': return 1 == $number ? 0 : (2 == $number ? 1 : (8 == $number || 11 == $number ? 2 : 3)); case 'ro': return 1 == $number ? 0 : (0 == $number || $number % 100 > 0 && $number % 100 < 20 ? 1 : 2); case 'ar': return 0 == $number ? 0 : (1 == $number ? 1 : (2 == $number ? 2 : ($number % 100 >= 3 && $number % 100 <= 10 ? 3 : ($number % 100 >= 11 && $number % 100 <= 99 ? 4 : 5)))); default: return 0; } } }