function qtranxf_detect_admin_language($url_info)
{
global $q_config;
$cs = null;
$lang = null;
/** @since 3.2.9.9.6
* Detect language from $_POST['WPLANG'].
*/
if (isset($_POST['WPLANG'])) {
// User is switching the language using "Site Language" field on page /wp-admin/options-general.php
$wplang = sanitize_text_field($_POST['WPLANG']);
if (empty($wplang)) {
$wplang = 'en';
}
foreach ($q_config['enabled_languages'] as $language) {
if ($q_config['locale'][$language] != $wplang) {
continue;
}
$lang = $language;
break;
}
if (!$lang) {
$lang = substr($wplang, 0, 2);
$lang = qtranxf_resolveLangCase($lang, $cs);
}
}
if (!$lang && isset($_COOKIE[QTX_COOKIE_NAME_ADMIN])) {
$lang = qtranxf_resolveLangCase($_COOKIE[QTX_COOKIE_NAME_ADMIN], $cs);
$url_info['lang_cookie_admin'] = $lang;
}
if (!$lang) {
//$locale = get_locale();
//$url_info['locale'] = $locale;
//$lang = qtranxf_resolveLangCase(substr($locale,0,2),$cs);
//$url_info['lang_locale'] = $lang;
//if(!$lang)
$lang = $q_config['default_language'];
}
$url_info['doing_front_end'] = false;
$url_info['lang_admin'] = $lang;
return $url_info;
}
function qtranxf_detect_language_front(&$url_info)
{
global $q_config;
//assert($url_info['doing_front_end']);
while (true) {
if (isset($_COOKIE[QTX_COOKIE_NAME_FRONT])) {
$cs = null;
$lang = qtranxf_resolveLangCase($_COOKIE[QTX_COOKIE_NAME_FRONT], $cs);
$url_info['lang_cookie_front'] = $lang;
if ($lang) {
break;
}
}
if ($q_config['detect_browser_language'] && (!isset($_SERVER['HTTP_REFERER']) || strpos($_SERVER['HTTP_REFERER'], $url_info['host']) === FALSE) && (empty($url_info['wp-path']) || $url_info['wp-path'] == '/')) {
$lang = qtranxf_http_negotiate_language();
$url_info['lang_browser'] = $lang;
if ($lang) {
break;
}
}
$lang = $q_config['default_language'];
break;
}
if (!isset($url_info['doredirect']) && (!$q_config['hide_default_language'] || $lang != $q_config['default_language'])) {
$url_info['doredirect'] = 'language needs to be shown in url';
}
return $lang;
}