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raspap-webgui/includes/locale.php

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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
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* the languages supported by our platform.
*
* Refer to: https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
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*/
if (empty($_SESSION['locale']) && strlen($_SERVER['HTTP_ACCEPT_LANGUAGE']) >= 2) {
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$lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
switch ($lang){
case "de":
$locale = "de_DE.UTF-8";
break;
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case "fr":
$locale = "fr_FR.UTF-8";
break;
case "it":
$locale = "it_IT.UTF-8";
break;
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case "pt":
$locale = "pt_BR.UTF-8";
break;
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case "sv":
$locale = "sv_SE.UTF-8";
break;
case "nl":
$locale = "nl_NL.UTF-8";
break;
case "zh":
$locale = "zh_CN.UTF-8";
break;
case "cs":
$locale = "cs_CZ.UTF-8";
break;
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default:
$locale = "en_GB.UTF-8";
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break;
}
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$_SESSION['locale'] = $locale;
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}
// Note: the associated locale must be installed on the RPi
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// 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);