160 lines
3.5 KiB
PHP
160 lines
3.5 KiB
PHP
<?php
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namespace App\Web;
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class Lang
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{
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const DEFAULT_LANG = 'en';
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const LANG_PATH = __DIR__.'../../resources/lang/';
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/** @var string */
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protected static $langPath = self::LANG_PATH;
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/** @var string */
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protected static $lang;
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/** @var Lang */
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protected static $instance;
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/** @var array */
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protected $cache = [];
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/**
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* @return Lang
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*/
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public static function getInstance(): self
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{
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if (self::$instance === null) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* @param string $lang
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* @param string $langPath
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*
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* @return Lang
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*/
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public static function build($lang = self::DEFAULT_LANG, $langPath = null): self
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{
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self::$lang = $lang;
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if ($langPath !== null) {
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self::$langPath = $langPath;
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}
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self::$instance = new self();
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return self::$instance;
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}
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/**
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* Recognize the current language from the request.
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*
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* @return bool|string
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*/
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public static function recognize()
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{
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if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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return locale_accept_from_http($_SERVER['HTTP_ACCEPT_LANGUAGE']);
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}
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return self::DEFAULT_LANG;
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}
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/**
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* @return string
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*/
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public static function getLang(): string
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{
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return self::$lang;
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}
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/**
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* @param $lang
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*/
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public static function setLang($lang)
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{
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self::$lang = $lang;
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}
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/**
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* @return array
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*/
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public static function getList()
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{
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$languages = [];
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$default = count(include self::$langPath.self::DEFAULT_LANG.'.lang.php') - 1;
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foreach (glob(self::$langPath.'*.lang.php') as $file) {
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$dict = include $file;
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if (!is_array($dict) || !isset($dict['lang'])) {
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continue;
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}
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$count = count($dict) - 1;
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$percent = min(round(($count / $default) * 100), 100);
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$languages[str_replace('.lang.php', '', basename($file))] = "[{$percent}%] ".$dict['lang'];
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}
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return $languages;
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}
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/**
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* @param $key
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* @param array $args
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*
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* @return string
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*/
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public function get($key, $args = []): string
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{
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return $this->getString($key, self::$lang, $args);
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}
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/**
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* @param $key
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* @param $lang
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* @param $args
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*
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* @return string
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*/
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private function getString($key, $lang, $args): string
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{
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$redLang = strtolower(substr($lang, 0, 2));
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if (array_key_exists($lang, $this->cache)) {
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$transDict = $this->cache[$lang];
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} else {
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if (file_exists(self::$langPath.$lang.'.lang.php')) {
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$transDict = include self::$langPath.$lang.'.lang.php';
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$this->cache[$lang] = $transDict;
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} else {
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if (file_exists(self::$langPath.$redLang.'.lang.php')) {
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$transDict = include self::$langPath.$redLang.'.lang.php';
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$this->cache[$lang] = $transDict;
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} else {
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$transDict = [];
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}
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}
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}
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if (array_key_exists($key, $transDict)) {
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$string = @vsprintf($transDict[$key], $args);
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if ($string !== false) {
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return $string;
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}
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}
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if ($lang !== self::DEFAULT_LANG) {
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return $this->getString($key, self::DEFAULT_LANG, $args);
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}
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return $key;
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}
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}
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