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<?php |
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namespace Giggsey\Locale; |
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class Locale |
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{ |
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protected static $dataDir = '../data/'; |
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/** |
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* Gets the primary language for the input locale |
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* |
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* @param string $locale Input locale (e.g. en-GB) |
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* @return string Primary Language (e.g. en) |
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*/ |
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public static function getPrimaryLanguage($locale) |
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{ |
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$parts = explode('-', str_replace('_', '-', $locale)); |
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return strtolower($parts[0]); |
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} |
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/** |
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* Get the region for the input locale |
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* |
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* @param string $locale Input locale (e.g. de-CH-1991) |
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* @return string Region (e.g. CH) |
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*/ |
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public static function getRegion($locale) |
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{ |
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$parts = explode('-', str_replace('_', '-', $locale)); |
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if (count($parts) === 1) { |
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return ''; |
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} |
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$region = end($parts); |
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if (strlen($region) === 4) { |
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return ''; |
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} |
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if ($region === 'POSIX') { |
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$region = 'US'; |
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} |
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return strtoupper($region); |
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} |
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/** |
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* Get the localised display name for the region of the input locale |
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* |
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* @param string $locale The locale to return a display region for |
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* @param string $inLocale Format locale to display the region name |
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* @return string Display name for the region, or an empty string if no result could be found |
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*/ |
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public static function getDisplayRegion($locale, $inLocale) |
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{ |
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$dataDir = __DIR__ . DIRECTORY_SEPARATOR . static::$dataDir; |
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// Convert $locale into a region |
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$region = static::getRegion($locale); |
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$regionList = require $dataDir . '_list.php'; |
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/* |
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* Loop through each part of the $inLocale, and see if we have data for that locale |
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* |
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* E.g zh-Hans-HK will look for zh-Hanks-HK, zh-Hanks, then finally zh |
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*/ |
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$fallbackParts = explode('-', str_replace('_', '-', $inLocale)); |
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$filesToSearch = array(); |
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$i = count($fallbackParts); |
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while ($i > 0) { |
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$searchLocale = strtolower(implode('-', $fallbackParts)); |
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if (isset($regionList[$searchLocale])) { |
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$filesToSearch[] = $searchLocale; |
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} |
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array_pop($fallbackParts); |
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$i--; |
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} |
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/* |
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* Load data files, and load the region (if it exists) from it |
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*/ |
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foreach ($filesToSearch as $fileToSearch) { |
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// Load data file |
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$data = require $dataDir . $fileToSearch . '.php'; |
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if (isset($data[$region])) { |
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return $data[$region]; |
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} |
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} |
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return ''; |
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} |
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public static function getVersion() |
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{ |
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$file = __DIR__ . DIRECTORY_SEPARATOR . static::$dataDir . '_version.php'; |
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return require $file; |
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} |
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/** |
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* Return a list of all the supported locales |
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* |
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* @return string[] |
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*/ |
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public static function getSupportedLocales() |
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{ |
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$dataDir = __DIR__ . DIRECTORY_SEPARATOR . static::$dataDir; |
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$regionList = require $dataDir . '_list.php'; |
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return array_keys($regionList); |
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} |
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/** |
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* Load a list of all countries supported by a particular Locale |
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* |
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* @param string $locale |
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* @return string[] Associative array of Country Code => Country Name |
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* @throws \RuntimeException On an invalid region |
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*/ |
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public static function getAllCountriesForLocale($locale) |
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{ |
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$dataDir = __DIR__ . DIRECTORY_SEPARATOR . static::$dataDir; |
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$regionList = require $dataDir . '_list.php'; |
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if (!isset($regionList[$locale])) { |
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throw new \RuntimeException("Locale is not supported"); |
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} |
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/* |
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* Loop through each part of the $locale, and load data for that locale |
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* |
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* E.g zh-Hans-HK will look for zh-Hanks-HK, zh-Hanks, then finally zh |
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*/ |
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$fallbackParts = explode('-', str_replace('_', '-', $locale)); |
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$filesToSearch = array(); |
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$i = count($fallbackParts); |
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while ($i > 0) { |
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$searchLocale = strtolower(implode('-', $fallbackParts)); |
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if (isset($regionList[$searchLocale])) { |
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$filesToSearch[] = $searchLocale; |
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} |
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array_pop($fallbackParts); |
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$i--; |
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} |
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/* |
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* Load data files, and load the region (if it exists) from it |
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*/ |
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$returnData = array(); |
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foreach ($filesToSearch as $fileToSearch) { |
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// Load data file |
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$data = require $dataDir . $fileToSearch . '.php'; |
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$returnData += $data; |
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} |
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ksort($returnData); |
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return $returnData; |
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} |
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} |
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