* "en": {
     *     "pluralRule-count-one": "i = 1 and v = 0 @integer 1",
     *     "pluralRule-count-other": " @integer 0, 2~16, 100, 1000, 10000, 100000, 1000000, … @decimal 0.0~1.5, 10.0, 100.0, 1000.0, 10000.0, 100000.0, 1000000.0, …"
     * }
     *
* * @return array */ public static function getPlurals() { return self::getData('plurals'); } /** * Return a list of superseded language codes. * * @return array keys are the former language codes, values are the new language/locale codes */ public static function getSupersededLanguages() { return self::getData('supersededLanguages'); } /** * Retrieve the name of a language, as well as if a language code is deprecated in favor of another language code. * * @param string $id the language identifier * * @return array|null Returns an array with the keys 'id' (normalized), 'name', 'supersededBy' (optional), 'territory' (optional), 'script' (optional), 'baseLanguage' (optional), 'categories'. If $id is not valid returns null. */ public static function getLanguageInfo($id) { $result = null; $matches = array(); if (preg_match('/^([a-z]{2,3})(?:[_\-]([a-z]{4}))?(?:[_\-]([a-z]{2}|[0-9]{3}))?(?:$|-)/i', $id, $matches)) { $languageId = strtolower($matches[1]); $scriptId = (isset($matches[2]) && ($matches[2] !== '')) ? ucfirst(strtolower($matches[2])) : null; $territoryId = (isset($matches[3]) && ($matches[3] !== '')) ? strtoupper($matches[3]) : null; $normalizedId = $languageId; if (isset($scriptId)) { $normalizedId .= '_' . $scriptId; } if (isset($territoryId)) { $normalizedId .= '_' . $territoryId; } // Structure precedence: see Likely Subtags - http://www.unicode.org/reports/tr35/tr35-31/tr35.html#Likely_Subtags $variants = array(); $variantsWithScript = array(); $variantsWithTerritory = array(); if (isset($scriptId) && isset($territoryId)) { $variantsWithTerritory[] = $variantsWithScript[] = $variants[] = "{$languageId}_{$scriptId}_{$territoryId}"; } if (isset($scriptId)) { $variantsWithScript[] = $variants[] = "{$languageId}_{$scriptId}"; } if (isset($territoryId)) { $variantsWithTerritory[] = $variants[] = "{$languageId}_{$territoryId}"; } $variants[] = $languageId; $allGood = true; $scriptName = null; $scriptStandAloneName = null; if (isset($scriptId)) { $scriptNames = self::getScriptNames(false); if (isset($scriptNames[$scriptId])) { $scriptName = $scriptNames[$scriptId]; $scriptStandAloneNames = self::getScriptNames(true); $scriptStandAloneName = $scriptStandAloneNames[$scriptId]; } else { $allGood = false; } } $territoryName = null; if (isset($territoryId)) { $territoryNames = self::getTerritoryNames(); if (isset($territoryNames[$territoryId])) { if ($territoryId !== '001') { $territoryName = $territoryNames[$territoryId]; } } else { $allGood = false; } } $languageName = null; $languageNames = self::getLanguageNames(); foreach ($variants as $variant) { if (isset($languageNames[$variant])) { $languageName = $languageNames[$variant]; if (isset($scriptName) && (!in_array($variant, $variantsWithScript))) { $languageName = $scriptName . ' ' . $languageName; } if (isset($territoryName) && (!in_array($variant, $variantsWithTerritory))) { $languageName .= ' (' . $territoryNames[$territoryId] . ')'; } break; } } if (!isset($languageName)) { $allGood = false; } $baseLanguage = null; if (isset($scriptId) || isset($territoryId)) { if (isset($languageNames[$languageId]) && ($languageNames[$languageId] !== $languageName)) { $baseLanguage = $languageNames[$languageId]; } } $plural = null; $plurals = self::getPlurals(); foreach ($variants as $variant) { if (isset($plurals[$variant])) { $plural = $plurals[$variant]; break; } } if (!isset($plural)) { $allGood = false; } $supersededBy = null; $supersededBys = self::getSupersededLanguages(); foreach ($variants as $variant) { if (isset($supersededBys[$variant])) { $supersededBy = $supersededBys[$variant]; break; } } if ($allGood) { $result = array(); $result['id'] = $normalizedId; $result['name'] = $languageName; if (isset($supersededBy)) { $result['supersededBy'] = $supersededBy; } if (isset($scriptStandAloneName)) { $result['script'] = $scriptStandAloneName; } if (isset($territoryName)) { $result['territory'] = $territoryName; } if (isset($baseLanguage)) { $result['baseLanguage'] = $baseLanguage; } $result['categories'] = $plural; } } return $result; } /** * Returns the loaded CLDR data. * * @param string $key Can be 'languages', 'territories', 'plurals', 'supersededLanguages', 'scripts', 'standAloneScripts' * * @return array */ private static function getData($key) { if (!isset(self::$data)) { $fixKeys = function ($list, &$standAlone = null) { $result = array(); $standAlone = array(); $match = null; foreach ($list as $key => $value) { $variant = ''; if (preg_match('/^(.+)-alt-(short|variant|stand-alone|long|menu)$/', $key, $match)) { $key = $match[1]; $variant = $match[2]; } $key = str_replace('-', '_', $key); switch ($key) { case 'root': // Language: Root case 'und': // Language: Unknown Language case 'zxx': // Language: No linguistic content case 'ZZ': // Territory: Unknown Region case 'Zinh': // Script: Inherited case 'Zmth': // Script: Mathematical Notation case 'Zsym': // Script: Symbols case 'Zxxx': // Script: Unwritten case 'Zyyy': // Script: Common case 'Zzzz': // Script: Unknown Script break; default: switch ($variant) { case 'stand-alone': $standAlone[$key] = $value; break; case '': $result[$key] = $value; break; } break; } } return $result; }; $data = array(); $json = json_decode(file_get_contents(__DIR__ . '/cldr-data/main/en-US/languages.json'), true); $data['languages'] = $fixKeys($json['main']['en-US']['localeDisplayNames']['languages']); $json = json_decode(file_get_contents(__DIR__ . '/cldr-data/main/en-US/territories.json'), true); $data['territories'] = $fixKeys($json['main']['en-US']['localeDisplayNames']['territories']); $json = json_decode(file_get_contents(__DIR__ . '/cldr-data/supplemental/plurals.json'), true); $data['plurals'] = $fixKeys($json['supplemental']['plurals-type-cardinal']); $json = json_decode(file_get_contents(__DIR__ . '/cldr-data/main/en-US/scripts.json'), true); $data['scripts'] = $fixKeys($json['main']['en-US']['localeDisplayNames']['scripts'], $data['standAloneScripts']); $data['standAloneScripts'] = array_merge($data['scripts'], $data['standAloneScripts']); $data['scripts'] = array_merge($data['standAloneScripts'], $data['scripts']); $data['supersededLanguages'] = array(); // Remove the languages for which we don't have plurals $m = null; foreach (array_keys(array_diff_key($data['languages'], $data['plurals'])) as $missingPlural) { if (preg_match('/^([a-z]{2,3})_/', $missingPlural, $m)) { if (!isset($data['plurals'][$m[1]])) { unset($data['languages'][$missingPlural]); } } else { unset($data['languages'][$missingPlural]); } } // Fix the languages for which we have plurals $formerCodes = array( 'jw' => 'jv', // former Javanese 'mo' => 'ro_MD', // former Moldavian ); $knownMissingLanguages = array( 'guw' => 'Gun', 'nah' => 'Nahuatl', 'smi' => 'Sami', ); foreach (array_keys(array_diff_key($data['plurals'], $data['languages'])) as $missingLanguage) { if (isset($formerCodes[$missingLanguage]) && isset($data['languages'][$formerCodes[$missingLanguage]])) { $data['languages'][$missingLanguage] = $data['languages'][$formerCodes[$missingLanguage]]; $data['supersededLanguages'][$missingLanguage] = $formerCodes[$missingLanguage]; } else { if (isset($knownMissingLanguages[$missingLanguage])) { $data['languages'][$missingLanguage] = $knownMissingLanguages[$missingLanguage]; } else { throw new Exception("We have the plural rule for the language '{$missingLanguage}' but we don't have its language name"); } } } ksort($data['languages'], SORT_STRING); ksort($data['territories'], SORT_STRING); ksort($data['plurals'], SORT_STRING); ksort($data['scripts'], SORT_STRING); ksort($data['standAloneScripts'], SORT_STRING); ksort($data['supersededLanguages'], SORT_STRING); self::$data = $data; } if (!isset(self::$data[$key])) { throw new Exception("Invalid CLDR data key: '{$key}'"); } return self::$data[$key]; } }