/**
* Set current language
*
* @param string $lang
* @return bool Success
*/
public static function setLocale($lang = null, $setCookie = false)
{
$locales = SlConfigure::read('I18n.locales');
if (empty($locales)) {
$languages = SlConfigure::read1('I18n.languages');
$langs = array_keys($languages);
$locales = array();
$catalogs = array();
if (!$langs) {
$langs = array('en');
}
App::import('Core', 'l10n');
$l10n = new L10n();
foreach ($langs as $lang_) {
$catalog = $l10n->catalog($lang_);
if ($catalog) {
$catalogs[$lang_] = $catalog;
$locales[$lang_] = $catalog['locale'];
}
}
$langs = array_keys($locales);
SlConfigure::write('I18n.langs', $langs);
SlConfigure::write('I18n.catalogs', $catalogs);
SlConfigure::write('I18n.locales', $locales);
if (empty($lang)) {
$lang = SlCookie::read('I18n.lang');
// guess language based on Accept-Language header
if (empty($lang)) {
$envLangs = explode(',', env('HTTP_ACCEPT_LANGUAGE'));
foreach ($envLangs as $envLang) {
list($envLang) = explode(';', $envLang);
if (isset($locales[$envLang])) {
$lang = $envLang;
break;
}
}
if (empty($lang)) {
$lang = SlConfigure::read('I18n.lang');
}
}
// convert locale_id to lang_id
$lang_ = array_search($lang, $locales);
if ($lang_) {
$lang = $lang_;
}
if (empty($lang) || !isset($locales[$lang])) {
$lang = $langs[0];
}
}
} else {
$catalogs = SlConfigure::read('I18n.catalogs');
}
if ($lang) {
// convert locale_id to lang_id
$lang_ = array_search($lang, $locales);
if ($lang_) {
$lang = $lang_;
}
if (isset($locales[$lang])) {
SlConfigure::write('I18n.lang', $lang);
SlConfigure::write('I18n.catalog', $catalogs[$lang]);
SlConfigure::write('I18n.locale', $locales[$lang]);
Configure::write('Config.language', $locales[$lang]);
if ($setCookie) {
SlCookie::write('I18n.lang', $lang, false, "+1 year");
}
SlConfigure::localeChanged();
return true;
}
}
return false;
}
