/**
* 获取$accept_language
*
* @return array
*/
protected static function accept_language()
{
if (null !== self::$accept_language) {
return self::$accept_language;
}
if (self::$core_initialized && ($local_cookie_name = Core::config('local_lang_cookie_name')) && isset($_COOKIE[$local_cookie_name]) && preg_match('#[a-z0-9\\-_]+#i', $_COOKIE[$local_cookie_name])) {
# 读取COOKIE中的语言包设置
$accept_language = (string) $_COOKIE[$local_cookie_name];
} elseif (self::$core_initialized && ($lang_config = Core::config('lang')) && $lang_config !== 'auto') {
# 系统设置的语言包
$accept_language = explode(',', $lang_config);
} else {
# 客户端语言包
$language = isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : null;
$accept_language = array();
# 匹配语言设置
if ($language && false === strpos($language, ';')) {
# zh-cn
if (preg_match('#^([a-z]+(?:\\-[a-z]+)?),#i', $language, $m)) {
$accept_language = array(rtrim(strtolower($language), ','));
} else {
$accept_language = array(strtolower($language));
}
} elseif ($language) {
$language = strtolower(trim(str_replace(',', ';', preg_replace('#(,)?q=[0-9\\.]+(,)?#', '', $language)), ';'));
$accept_language = explode(';', $language);
$accept_language = array_values(array_slice($accept_language, 0, 4));
//只取前4个语言设置
}
if (self::$core_initialized && ($default_lang = Core::config('default_lang')) && !in_array($default_lang, $accept_language)) {
$accept_language[] = $default_lang;
}
/*
$accept_language 整理之前
Array
(
[0] => ko-kr
[1] => en-us
[2] => zh-cn
)
$accept_language 整理之后
Array
(
[0] => ko-kr
[1] => ko
[2] => en-us
[3] => en
[4] => zh-cn
[5] => zh
)
*/
$renew_accept_language = array();
foreach ($accept_language as $item) {
$sub_lang = explode('-', $item);
$renew_accept_language[] = $item;
if (count($sub_lang) > 1) {
$renew_accept_language[] = $sub_lang[0];
}
}
$accept_language = array_unique($renew_accept_language);
}
self::$accept_language = $accept_language;
if (IS_DEBUG) {
Core::debug()->info(self::$accept_language, 'language');
}
return self::$accept_language;
}
/**
* 加载语言包文件
*
* @link http://www.php.net/manual/en/function.parse-ini-file.php
* @return Core_I18n
*/
public function load()
{
$langdata = array();
$files = Core::find_file('i18n', $this->lang, '.lang');
if ($files) {
$ext_len = strlen(EXT);
if (count($files) > 1) {
krsort($files);
//逆向排序
}
foreach ($files as $langfile) {
if (substr($langfile, -$ext_len) === EXT) {
$lang = Core_I18n::_include_lang_file($langfile);
} else {
$lang = @parse_ini_file($langfile);
}
if (is_array($lang)) {
$langdata = array_merge($langdata, $lang);
}
}
}
Core_I18n::$data[$this->lang] = $langdata;
return $this;
}
