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<?php
/**
* Sets locale information for i18n support
*/
/**
* Rudimentary language detection via the browser.
* Accept-Language returns a list of weighted values with a quality (or 'q') parameter.
* A better method would parse the list of preferred languages and match this with
* the languages supported by our platform.
*
* Refer to: https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
*/
if (empty($_SESSION['locale']) && strlen($_SERVER['HTTP_ACCEPT_LANGUAGE']) >= 2) {
$lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
switch ($lang) {
case "de":
$locale = "de_DE.UTF-8";
break;
case "fr":
$locale = "fr_FR.UTF-8";
break;
case "it":
$locale = "it_IT.UTF-8";
break;
case "pt":
$locale = "pt_BR.UTF-8";
break;
case "sv":
$locale = "sv_SE.UTF-8";
break;
case "nl":
$locale = "nl_NL.UTF-8";
break;
case "zh":
if ($_SERVER['HTTP_ACCEPT_LANGUAGE'] == 'zh_TW') {
$locale = "zh_TW.UTF-8";
} else {
$locale = "zh_CN.UTF-8";
}
break;
case "cs":
$locale = "cs_CZ.UTF-8";
break;
case "ru":
$locale = "ru_RU.UTF-8";
break;
case "es":
$locale = "es_MX.UTF-8";
break;
case "fi":
$locale = "fi_FI.UTF-8";
break;
case "da":
$locale = "da_DK.UTF-8";
break;
case "tr":
$locale = "tr_TR.UTF-8";
break;
case "id":
$locale = "id_ID.UTF-8";
break;
case "ko":
$locale = "ko_KR.UTF-8";
break;
case "ja":
$locale = "ja_JP.UTF-8";
break;
case "vi":
$locale = "vi_VN.UTF-8";
break;
case "el":
$locale = "el_GR.UTF-8";
break;
case "pl":
$locale = "pl_PL.UTF-8";
break;
default:
$locale = "en_GB.UTF-8";
break;
}
$_SESSION['locale'] = $locale;
}
// Note: the associated locale must be installed on the RPi
// Use: 'sudo raspi-configure' and select 'Localisation Options'
// activate the locale setting
putenv("LANG=" . $_SESSION['locale']);
setlocale(LC_ALL, $_SESSION['locale']);
bindtextdomain(LOCALE_DOMAIN, LOCALE_ROOT);
bind_textdomain_codeset(LOCALE_DOMAIN, 'UTF-8');
textdomain(LOCALE_DOMAIN);