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<?php
$locales = [
'de_DE.UTF-8' => "Deutsch",
'en_US.UTF-8' => "English"
];
$default_locale = 'en_US.UTF-8';
/**
* Return currently active locale
*/
function locale() {
return $_SESSION['locale'];
}
/**
* Returns two letter language code from currently active locale
*/
function locale_short() {
return substr(locale(), 0, 2);
}
/**
* Initializes gettext for internationalization and updates the sessions locale to use for translation.
*/
function gettext_init() {
global $locales, $default_locale;
if (isset($_REQUEST['set_locale']) && in_array($_REQUEST['set_locale'], array_keys($locales))) {
$_SESSION['locale'] = $_REQUEST['set_locale'];
} elseif (! isset($_SESSION['locale'])) {
$_SESSION['locale'] = $default_locale;
}
gettext_locale();
bindtextdomain('default', '../locale');
bind_textdomain_codeset('default', 'UTF-8');
textdomain('default');
}
/**
* Swich gettext locale.
*
* @param string $locale
*/
function gettext_locale($locale = null) {
if ($locale == null) {
$locale = $_SESSION['locale'];
}
putenv('LC_ALL=' . $locale);
setlocale(LC_ALL, $locale);
}
/**
* Renders language selection.
*
* @return string
*/
function make_langselect() {
global $locales;
$URL = $_SERVER["REQUEST_URI"] . (strpos($_SERVER["REQUEST_URI"], "?") > 0 ? '&' : '?') . "set_locale=";
$items = [];
foreach ($locales as $locale => $name) {
$items[] = toolbar_item_link(htmlspecialchars($URL) . $locale, '', '<img src="pic/flag/' . $locale . '.png" alt="' . $name . '" title="' . $name . '"> ' . $name);
}
return $items;
}
?>
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