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kevin
2018-08-01 16:00:05 +02:00
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system/src/Grav/Common/Language/Language.php
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<?php
/**
* @package Grav.Common.Language
*
* @copyright Copyright (C) 2015 - 2018 Trilby Media, LLC. All rights reserved.
* @license MIT License; see LICENSE file for details.
*/
namespace Grav\Common\Language;
use Grav\Common\Grav;
use Grav\Common\Config\Config;
class Language
{
protected $grav;
protected $enabled = true;
protected $languages = [];
protected $page_extensions = [];
protected $fallback_languages = [];
protected $default;
protected $active = null;
/** @var Config $config */
protected $config;
protected $http_accept_language;
protected $lang_in_url = false;
/**
* Constructor
*
* @param \Grav\Common\Grav $grav
*/
public function __construct(Grav $grav)
{
$this->grav = $grav;
$this->config = $grav['config'];
$this->languages = $this->config->get('system.languages.supported', []);
$this->init();
}
/**
* Initialize the default and enabled languages
*/
public function init()
{
$this->default = reset($this->languages);
if (empty($this->languages)) {
$this->enabled = false;
}
}
/**
* Ensure that languages are enabled
*
* @return bool
*/
public function enabled()
{
return $this->enabled;
}
/**
* Gets the array of supported languages
*
* @return array
*/
public function getLanguages()
{
return $this->languages;
}
/**
* Sets the current supported languages manually
*
* @param $langs
*/
public function setLanguages($langs)
{
$this->languages = $langs;
$this->init();
}
/**
* Gets a pipe-separated string of available languages
*
* @return string
*/
public function getAvailable()
{
$languagesArray = $this->languages; //Make local copy
sort($languagesArray);
return implode('|', array_reverse($languagesArray));
}
/**
* Gets language, active if set, else default
*
* @return mixed
*/
public function getLanguage()
{
return $this->active ? $this->active : $this->default;
}
/**
* Gets current default language
*
* @return mixed
*/
public function getDefault()
{
return $this->default;
}
/**
* Sets default language manually
*
* @param $lang
*
* @return bool
*/
public function setDefault($lang)
{
if ($this->validate($lang)) {
$this->default = $lang;
return $lang;
}
return false;
}
/**
* Gets current active language
*
* @return mixed
*/
public function getActive()
{
return $this->active;
}
/**
* Sets active language manually
*
* @param $lang
*
* @return bool
*/
public function setActive($lang)
{
if ($this->validate($lang)) {
$this->active = $lang;
return $lang;
}
return false;
}
/**
* Sets the active language based on the first part of the URL
*
* @param $uri
*
* @return mixed
*/
public function setActiveFromUri($uri)
{
$regex = '/(^\/(' . $this->getAvailable() . '))(?:\/|\?|$)/i';
// if languages set
if ($this->enabled()) {
// Try setting language from prefix of URL (/en/blah/blah).
if (preg_match($regex, $uri, $matches)) {
$this->lang_in_url = true;
$this->active = $matches[2];
$uri = preg_replace("/\\" . $matches[1] . '/', '', $uri, 1);
// Store in session if language is different.
if (isset($this->grav['session']) && $this->grav['session']->started()
&& $this->config->get('system.languages.session_store_active', true)
&& $this->grav['session']->active_language != $this->active
) {
$this->grav['session']->active_language = $this->active;
}
} else {
// Try getting language from the session, else no active.
if (isset($this->grav['session']) && $this->grav['session']->started()
&& $this->config->get('system.languages.session_store_active', true)) {
$this->active = $this->grav['session']->active_language ?: null;
}
// if still null, try from http_accept_language header
if ($this->active === null && $this->config->get('system.languages.http_accept_language')) {
$preferred = $this->getBrowserLanguages();
foreach ($preferred as $lang) {
if ($this->validate($lang)) {
$this->active = $lang;
break;
}
}
// Repeat if not found, try base language only - fixes Safari sending the language code always
// with a locale (e.g. it-it or fr-fr).
foreach ($preferred as $lang) {
$lang = substr($lang, 0, 2);
if ($this->validate($lang)) {
$this->active = $lang;
break;
}
}
}
}
}
return $uri;
}
/**
* Get's a URL prefix based on configuration
*
* @param null $lang
* @return string
*/
public function getLanguageURLPrefix($lang = null)
{
// if active lang is not passed in, use current active
if (!$lang) {
$lang = $this->getLanguage();
}
return $this->isIncludeDefaultLanguage($lang) ? '/' . $lang : '';
}
/**
* Test to see if language is default and language should be included in the URL
*
* @param null $lang
* @return bool
*/
public function isIncludeDefaultLanguage($lang = null)
{
// if active lang is not passed in, use current active
if (!$lang) {
$lang = $this->getLanguage();
}
if ($this->default == $lang && $this->config->get('system.languages.include_default_lang') === false) {
return false;
} else {
return true;
}
}
/**
* Simple getter to tell if a language was found in the URL
*
* @return bool
*/
public function isLanguageInUrl()
{
return (bool) $this->lang_in_url;
}
/**
* Gets an array of valid extensions with active first, then fallback extensions
*
* @param string|null $file_ext
*
* @return array
*/
public function getFallbackPageExtensions($file_ext = null)
{
if (empty($this->page_extensions)) {
if (empty($file_ext)) {
$file_ext = CONTENT_EXT;
}
if ($this->enabled()) {
$valid_lang_extensions = [];
foreach ($this->languages as $lang) {
$valid_lang_extensions[] = '.' . $lang . $file_ext;
}
if ($this->active) {
$active_extension = '.' . $this->active . $file_ext;
$key = array_search($active_extension, $valid_lang_extensions);
unset($valid_lang_extensions[$key]);
array_unshift($valid_lang_extensions, $active_extension);
}
$this->page_extensions = array_merge($valid_lang_extensions, (array)$file_ext);
} else {
$this->page_extensions = (array)$file_ext;
}
}
return $this->page_extensions;
}
/**
* Resets the page_extensions value.
*
* Useful to re-initialize the pages and change site language at runtime, example:
*
* ```
* $this->grav['language']->setActive('it');
* $this->grav['language']->resetFallbackPageExtensions();
* $this->grav['pages']->init();
* ```
*/
public function resetFallbackPageExtensions() {
$this->page_extensions = null;
}
/**
* Gets an array of languages with active first, then fallback languages
*
* @return array
*/
public function getFallbackLanguages()
{
if (empty($this->fallback_languages)) {
if ($this->enabled()) {
$fallback_languages = $this->languages;
if ($this->active) {
$active_extension = $this->active;
$key = array_search($active_extension, $fallback_languages);
unset($fallback_languages[$key]);
array_unshift($fallback_languages, $active_extension);
}
$this->fallback_languages = $fallback_languages;
}
// always add english in case a translation doesn't exist
$this->fallback_languages[] = 'en';
}
return $this->fallback_languages;
}
/**
* Ensures the language is valid and supported
*
* @param $lang
*
* @return bool
*/
public function validate($lang)
{
if (in_array($lang, $this->languages)) {
return true;
}
return false;
}
/**
* Translate a key and possibly arguments into a string using current lang and fallbacks
*
* @param mixed $args The first argument is the lookup key value
* Other arguments can be passed and replaced in the translation with sprintf syntax
* @param array $languages
* @param bool $array_support
* @param bool $html_out
*
* @return string
*/
public function translate($args, array $languages = null, $array_support = false, $html_out = false)
{
if (is_array($args)) {
$lookup = array_shift($args);
} else {
$lookup = $args;
$args = [];
}
if ($this->config->get('system.languages.translations', true)) {
if ($this->enabled() && $lookup) {
if (empty($languages)) {
if ($this->config->get('system.languages.translations_fallback', true)) {
$languages = $this->getFallbackLanguages();
} else {
$languages = (array)$this->getLanguage();
}
}
} else {
$languages = ['en'];
}
foreach ((array)$languages as $lang) {
$translation = $this->getTranslation($lang, $lookup, $array_support);
if ($translation) {
if (count($args) >= 1) {
return vsprintf($translation, $args);
} else {
return $translation;
}
}
}
}
if ($html_out) {
return '<span class="untranslated">' . $lookup . '</span>';
} else {
return $lookup;
}
}
/**
* Translate Array
*
* @param $key
* @param $index
* @param null $languages
* @param bool $html_out
*
* @return string
*/
public function translateArray($key, $index, $languages = null, $html_out = false)
{
if ($this->config->get('system.languages.translations', true)) {
if ($this->enabled() && $key) {
if (empty($languages)) {
if ($this->config->get('system.languages.translations_fallback', true)) {
$languages = $this->getFallbackLanguages();
} else {
$languages = (array)$this->getDefault();
}
}
} else {
$languages = ['en'];
}
foreach ((array)$languages as $lang) {
$translation_array = (array)Grav::instance()['languages']->get($lang . '.' . $key, null);
if ($translation_array && array_key_exists($index, $translation_array)) {
return $translation_array[$index];
}
}
}
if ($html_out) {
return '<span class="untranslated">' . $key . '[' . $index . ']</span>';
} else {
return $key . '[' . $index . ']';
}
}
/**
* Lookup the translation text for a given lang and key
*
* @param string $lang lang code
* @param string $key key to lookup with
* @param bool $array_support
*
* @return string
*/
public function getTranslation($lang, $key, $array_support = false)
{
$translation = Grav::instance()['languages']->get($lang . '.' . $key, null);
if (!$array_support && is_array($translation)) {
return (string)array_shift($translation);
}
return $translation;
}
/**
* Get the browser accepted languages
*
* @param array $accept_langs
*
* @return array
*/
public function getBrowserLanguages($accept_langs = [])
{
if (empty($this->http_accept_language)) {
if (empty($accept_langs) && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$accept_langs = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
} else {
return $accept_langs;
}
foreach (explode(',', $accept_langs) as $k => $pref) {
// split $pref again by ';q='
// and decorate the language entries by inverted position
if (false !== ($i = strpos($pref, ';q='))) {
$langs[substr($pref, 0, $i)] = [(float)substr($pref, $i + 3), -$k];
} else {
$langs[$pref] = [1, -$k];
}
}
arsort($langs);
// no need to undecorate, because we're only interested in the keys
$this->http_accept_language = array_keys($langs);
}
return $this->http_accept_language;
}
}
system/src/Grav/Common/Language/LanguageCodes.php
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<?php
/**
* @package Grav.Common.Language
*
* @copyright Copyright (C) 2015 - 2018 Trilby Media, LLC. All rights reserved.
* @license MIT License; see LICENSE file for details.
*/
namespace Grav\Common\Language;
class LanguageCodes
{
protected static $codes = [
'af' => [ 'name' => 'Afrikaans', 'nativeName' => 'Afrikaans' ],
'ak' => [ 'name' => 'Akan', 'nativeName' => 'Akan' ], // unverified native name
'ast' => [ 'name' => 'Asturian', 'nativeName' => 'Asturianu' ],
'ar' => [ 'name' => 'Arabic', 'nativeName' => 'عربي', 'orientation' => 'rtl'],
'as' => [ 'name' => 'Assamese', 'nativeName' => 'অসমীয়া' ],
'be' => [ 'name' => 'Belarusian', 'nativeName' => 'Беларуская' ],
'bg' => [ 'name' => 'Bulgarian', 'nativeName' => 'Български' ],
'bn' => [ 'name' => 'Bengali', 'nativeName' => 'বাংলা' ],
'bn-BD' => [ 'name' => 'Bengali (Bangladesh)', 'nativeName' => 'বাংলা (বাংলাদেশ)' ],
'bn-IN' => [ 'name' => 'Bengali (India)', 'nativeName' => 'বাংলা (ভারত)' ],
'br' => [ 'name' => 'Breton', 'nativeName' => 'Brezhoneg' ],
'bs' => [ 'name' => 'Bosnian', 'nativeName' => 'Bosanski' ],
'ca' => [ 'name' => 'Catalan', 'nativeName' => 'Català' ],
'ca-valencia'=> [ 'name' => 'Catalan (Valencian)', 'nativeName' => 'Català (valencià)' ], // not iso-639-1. a=l10n-drivers
'cs' => [ 'name' => 'Czech', 'nativeName' => 'Čeština' ],
'cy' => [ 'name' => 'Welsh', 'nativeName' => 'Cymraeg' ],
'da' => [ 'name' => 'Danish', 'nativeName' => 'Dansk' ],
'de' => [ 'name' => 'German', 'nativeName' => 'Deutsch' ],
'de-AT' => [ 'name' => 'German (Austria)', 'nativeName' => 'Deutsch (Österreich)' ],
'de-CH' => [ 'name' => 'German (Switzerland)', 'nativeName' => 'Deutsch (Schweiz)' ],
'de-DE' => [ 'name' => 'German (Germany)', 'nativeName' => 'Deutsch (Deutschland)' ],
'dsb' => [ 'name' => 'Lower Sorbian', 'nativeName' => 'Dolnoserbšćina' ], // iso-639-2
'el' => [ 'name' => 'Greek', 'nativeName' => 'Ελληνικά' ],
'en' => [ 'name' => 'English', 'nativeName' => 'English' ],
'en-AU' => [ 'name' => 'English (Australian)', 'nativeName' => 'English (Australian)' ],
'en-CA' => [ 'name' => 'English (Canadian)', 'nativeName' => 'English (Canadian)' ],
'en-GB' => [ 'name' => 'English (British)', 'nativeName' => 'English (British)' ],
'en-NZ' => [ 'name' => 'English (New Zealand)', 'nativeName' => 'English (New Zealand)' ],
'en-US' => [ 'name' => 'English (US)', 'nativeName' => 'English (US)' ],
'en-ZA' => [ 'name' => 'English (South African)', 'nativeName' => 'English (South African)' ],
'eo' => [ 'name' => 'Esperanto', 'nativeName' => 'Esperanto' ],
'es' => [ 'name' => 'Spanish', 'nativeName' => 'Español' ],
'es-AR' => [ 'name' => 'Spanish (Argentina)', 'nativeName' => 'Español (de Argentina)' ],
'es-CL' => [ 'name' => 'Spanish (Chile)', 'nativeName' => 'Español (de Chile)' ],
'es-ES' => [ 'name' => 'Spanish (Spain)', 'nativeName' => 'Español (de España)' ],
'es-MX' => [ 'name' => 'Spanish (Mexico)', 'nativeName' => 'Español (de México)' ],
'et' => [ 'name' => 'Estonian', 'nativeName' => 'Eesti keel' ],
'eu' => [ 'name' => 'Basque', 'nativeName' => 'Euskara' ],
'fa' => [ 'name' => 'Persian', 'nativeName' => 'فارسی' , 'orientation' => 'rtl' ],
'fi' => [ 'name' => 'Finnish', 'nativeName' => 'Suomi' ],
'fj-FJ' => [ 'name' => 'Fijian', 'nativeName' => 'Vosa vaka-Viti' ],
'fr' => [ 'name' => 'French', 'nativeName' => 'Français' ],
'fr-CA' => [ 'name' => 'French (Canada)', 'nativeName' => 'Français (Canada)' ],
'fr-FR' => [ 'name' => 'French (France)', 'nativeName' => 'Français (France)' ],
'fur' => [ 'name' => 'Friulian', 'nativeName' => 'Furlan' ],
'fur-IT' => [ 'name' => 'Friulian', 'nativeName' => 'Furlan' ],
'fy' => [ 'name' => 'Frisian', 'nativeName' => 'Frysk' ],
'fy-NL' => [ 'name' => 'Frisian', 'nativeName' => 'Frysk' ],
'ga' => [ 'name' => 'Irish', 'nativeName' => 'Gaeilge' ],
'ga-IE' => [ 'name' => 'Irish (Ireland)', 'nativeName' => 'Gaeilge (Éire)' ],
'gd' => [ 'name' => 'Gaelic (Scotland)', 'nativeName' => 'Gàidhlig' ],
'gl' => [ 'name' => 'Galician', 'nativeName' => 'Galego' ],
'gu' => [ 'name' => 'Gujarati', 'nativeName' => 'ગુજરાતી' ],
'gu-IN' => [ 'name' => 'Gujarati', 'nativeName' => 'ગુજરાતી' ],
'he' => [ 'name' => 'Hebrew', 'nativeName' => 'עברית', 'orientation' => 'rtl' ],
'hi' => [ 'name' => 'Hindi', 'nativeName' => 'हिन्दी' ],
'hi-IN' => [ 'name' => 'Hindi (India)', 'nativeName' => 'हिन्दी (भारत)' ],
'hr' => [ 'name' => 'Croatian', 'nativeName' => 'Hrvatski' ],
'hsb' => [ 'name' => 'Upper Sorbian', 'nativeName' => 'Hornjoserbsce' ],
'hu' => [ 'name' => 'Hungarian', 'nativeName' => 'Magyar' ],
'hy' => [ 'name' => 'Armenian', 'nativeName' => 'Հայերեն' ],
'hy-AM' => [ 'name' => 'Armenian', 'nativeName' => 'Հայերեն' ],
'id' => [ 'name' => 'Indonesian', 'nativeName' => 'Bahasa Indonesia' ],
'is' => [ 'name' => 'Icelandic', 'nativeName' => 'íslenska' ],
'it' => [ 'name' => 'Italian', 'nativeName' => 'Italiano' ],
'ja' => [ 'name' => 'Japanese', 'nativeName' => '日本語' ],
'ja-JP' => [ 'name' => 'Japanese', 'nativeName' => '日本語' ], // not iso-639-1
'ka' => [ 'name' => 'Georgian', 'nativeName' => 'ქართული' ],
'kk' => [ 'name' => 'Kazakh', 'nativeName' => 'Қазақ' ],
'kn' => [ 'name' => 'Kannada', 'nativeName' => 'ಕನ್ನಡ' ],
'ko' => [ 'name' => 'Korean', 'nativeName' => '한국어' ],
'ku' => [ 'name' => 'Kurdish', 'nativeName' => 'Kurdî' ],
'la' => [ 'name' => 'Latin', 'nativeName' => 'Latina' ],
'lb' => [ 'name' => 'Luxembourgish', 'nativeName' => 'Lëtzebuergesch' ],
'lg' => [ 'name' => 'Luganda', 'nativeName' => 'Luganda' ],
'lt' => [ 'name' => 'Lithuanian', 'nativeName' => 'Lietuvių kalba' ],
'lv' => [ 'name' => 'Latvian', 'nativeName' => 'Latviešu' ],
'mai' => [ 'name' => 'Maithili', 'nativeName' => 'मैथिली মৈথিলী' ],
'mg' => [ 'name' => 'Malagasy', 'nativeName' => 'Malagasy' ],
'mi' => [ 'name' => 'Maori (Aotearoa)', 'nativeName' => 'Māori (Aotearoa)' ],
'mk' => [ 'name' => 'Macedonian', 'nativeName' => 'Македонски' ],
'ml' => [ 'name' => 'Malayalam', 'nativeName' => 'മലയാളം' ],
'mn' => [ 'name' => 'Mongolian', 'nativeName' => 'Монгол' ],
'mr' => [ 'name' => 'Marathi', 'nativeName' => 'मराठी' ],
'no' => [ 'name' => 'Norwegian', 'nativeName' => 'Norsk' ],
'nb' => [ 'name' => 'Norwegian', 'nativeName' => 'Norsk' ],
'nb-NO' => [ 'name' => 'Norwegian (Bokmål)', 'nativeName' => 'Norsk bokmål' ],
'ne-NP' => [ 'name' => 'Nepali', 'nativeName' => 'नेपाली' ],
'nn-NO' => [ 'name' => 'Norwegian (Nynorsk)', 'nativeName' => 'Norsk nynorsk' ],
'nl' => [ 'name' => 'Dutch', 'nativeName' => 'Nederlands' ],
'nr' => [ 'name' => 'Ndebele, South', 'nativeName' => 'IsiNdebele' ],
'nso' => [ 'name' => 'Northern Sotho', 'nativeName' => 'Sepedi' ],
'oc' => [ 'name' => 'Occitan (Lengadocian)', 'nativeName' => 'Occitan (lengadocian)' ],
'or' => [ 'name' => 'Oriya', 'nativeName' => 'ଓଡ଼ିଆ' ],
'pa' => [ 'name' => 'Punjabi', 'nativeName' => 'ਪੰਜਾਬੀ' ],
'pa-IN' => [ 'name' => 'Punjabi', 'nativeName' => 'ਪੰਜਾਬੀ' ],
'pl' => [ 'name' => 'Polish', 'nativeName' => 'Polski' ],
'pt' => [ 'name' => 'Portuguese', 'nativeName' => 'Português' ],
'pt-BR' => [ 'name' => 'Portuguese (Brazilian)', 'nativeName' => 'Português (do Brasil)' ],
'pt-PT' => [ 'name' => 'Portuguese (Portugal)', 'nativeName' => 'Português (Europeu)' ],
'ro' => [ 'name' => 'Romanian', 'nativeName' => 'Română' ],
'rm' => [ 'name' => 'Romansh', 'nativeName' => 'Rumantsch' ],
'ru' => [ 'name' => 'Russian', 'nativeName' => 'Русский' ],
'rw' => [ 'name' => 'Kinyarwanda', 'nativeName' => 'Ikinyarwanda' ],
'si' => [ 'name' => 'Sinhala', 'nativeName' => 'සිංහල' ],
'sk' => [ 'name' => 'Slovak', 'nativeName' => 'Slovenčina' ],
'sl' => [ 'name' => 'Slovenian', 'nativeName' => 'Slovensko' ],
'son' => [ 'name' => 'Songhai', 'nativeName' => 'Soŋay' ],
'sq' => [ 'name' => 'Albanian', 'nativeName' => 'Shqip' ],
'sr' => [ 'name' => 'Serbian', 'nativeName' => 'Српски' ],
'sr-Latn' => [ 'name' => 'Serbian', 'nativeName' => 'Srpski' ], // follows RFC 4646
'ss' => [ 'name' => 'Siswati', 'nativeName' => 'siSwati' ],
'st' => [ 'name' => 'Southern Sotho', 'nativeName' => 'Sesotho' ],
'sv' => [ 'name' => 'Swedish', 'nativeName' => 'Svenska' ],
'sv-SE' => [ 'name' => 'Swedish', 'nativeName' => 'Svenska' ],
'ta' => [ 'name' => 'Tamil', 'nativeName' => 'தமிழ்' ],
'ta-IN' => [ 'name' => 'Tamil (India)', 'nativeName' => 'தமிழ் (இந்தியா)' ],
'ta-LK' => [ 'name' => 'Tamil (Sri Lanka)', 'nativeName' => 'தமிழ் (இலங்கை)' ],
'te' => [ 'name' => 'Telugu', 'nativeName' => 'తెలుగు' ],
'th' => [ 'name' => 'Thai', 'nativeName' => 'ไทย' ],
'tlh' => [ 'name' => 'Klingon', 'nativeName' => 'Klingon' ],
'tn' => [ 'name' => 'Tswana', 'nativeName' => 'Setswana' ],
'tr' => [ 'name' => 'Turkish', 'nativeName' => 'Türkçe' ],
'ts' => [ 'name' => 'Tsonga', 'nativeName' => 'Xitsonga' ],
'tt' => [ 'name' => 'Tatar', 'nativeName' => 'Tatarça' ],
'tt-RU' => [ 'name' => 'Tatar', 'nativeName' => 'Tatarça' ],
'uk' => [ 'name' => 'Ukrainian', 'nativeName' => 'Українська' ],
'ur' => [ 'name' => 'Urdu', 'nativeName' => 'اُردو', 'orientation' => 'rtl' ],
've' => [ 'name' => 'Venda', 'nativeName' => 'Tshivenḓa' ],
'vi' => [ 'name' => 'Vietnamese', 'nativeName' => 'Tiếng Việt' ],
'wo' => [ 'name' => 'Wolof', 'nativeName' => 'Wolof' ],
'xh' => [ 'name' => 'Xhosa', 'nativeName' => 'isiXhosa' ],
'zh' => [ 'name' => 'Chinese (Simplified)', 'nativeName' => '中文 (简体)' ],
'zh-CN' => [ 'name' => 'Chinese (Simplified)', 'nativeName' => '中文 (简体)' ],
'zh-TW' => [ 'name' => 'Chinese (Traditional)', 'nativeName' => '正體中文 (繁體)' ],
'zu' => [ 'name' => 'Zulu', 'nativeName' => 'isiZulu' ]
];
public static function getName($code)
{
return static::get($code, 'name');
}
public static function getNativeName($code)
{
if (isset(static::$codes[$code])) {
return static::get($code, 'nativeName');
}
if (preg_match('/[a-zA-Z]{2}-[a-zA-Z]{2}/', $code)) {
return static::get(substr($code, 0, 2), 'nativeName') . ' (' . substr($code, -2) . ')';
}
return $code;
}
public static function getOrientation($code)
{
if (isset(static::$codes[$code])) {
if (isset(static::$codes[$code]['orientation'])) {
return static::get($code, 'orientation');
}
}
return 'ltr';
}
public static function isRtl($code)
{
if (static::getOrientation($code) === 'rtl') {
return true;
}
return false;
}
public static function getNames(array $keys)
{
$results = [];
foreach ($keys as $key) {
if (isset(static::$codes[$key])) {
$results[$key] = static::$codes[$key];
}
}
return $results;
}
protected static function get($code, $type)
{
if (isset(static::$codes[$code][$type])) {
return static::$codes[$code][$type];
}
return false;
}
}