public function user_lang()
{
if (isset($_COOKIE['language']) && $this->is_lang($_COOKIE['language'])) {
return $_COOKIE['language'];
}
if (empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
return null;
}
$languages = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
foreach ($languages as $locale_str) {
$split = array_map('trim', explode(';', $locale_str, 2));
$lang_tag = $split[0];
$lang_tag = str_replace('-*', '', $lang_tag);
if (function_exists('locale_parse')) {
$locale = locale_parse($lang_tag);
} else {
$locale = array('language' => substr($lang_tag, 0, 2));
}
if (!empty($locale['region'])) {
$lang = $locale['language'] . '_' . $locale['region'];
if ($this->is_lang($lang)) {
return $lang;
}
} elseif ($this->is_lang($locale['language'])) {
return $locale['language'];
}
}
return null;
}
/**
* Set language to session based on the selected POSIX language string.
*
* @param string $posixLocale Requested language
*/
protected function setSessionLanguage($posixLocale)
{
$localeSubtags = locale_parse($posixLocale);
$language = array_get($localeSubtags, 'language');
session()->set('language', $language);
session()->set('applocale', $posixLocale);
logger()->info("Language Switched: LANG='{$language}' POSIX='{$posixLocale}'");
}
public function normalizeLocale($locale)
{
$locale = str_replace('_', '-', (string) $locale);
if (function_exists('locale_parse')) {
$pieces = locale_parse($locale);
} else {
$pieces = explode('-', $locale);
$pieces['language'] = $pieces[0];
$pieces['region'] = $pieces[1];
}
if (isset($pieces['region'])) {
return $pieces['language'] . '_' . $pieces['region'];
} else {
return $pieces['language'];
}
}
