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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
*
* @return string
*/
function locale()
{
return $_SESSION['locale'];
}
/**
* Returns two letter language code from currently active locale
*
* @return string
*/
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']) && isset($locales[$_REQUEST['set_locale']])) {
$_SESSION['locale'] = $_REQUEST['set_locale'];
} elseif (!isset($_SESSION['locale'])) {
$_SESSION['locale'] = $default_locale;
}
gettext_locale();
bindtextdomain('default', realpath(__DIR__ . '/../../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 array
*/
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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