function qtranxf_get_url_info($url)
{
$urlinfo = qtranxf_parseURL($url);
qtranxf_complete_url_info($urlinfo);
qtranxf_complete_url_info_path($urlinfo);
return $urlinfo;
}
function qtranxf_detect_language(&$url_info)
{
global $q_config;
if (defined('WP_ADMIN') || defined('WP_CLI')) {
$siteinfo = qtranxf_get_site_info();
$url_info['path-base'] = $siteinfo['path'];
$url_info['path-base-length'] = $siteinfo['path-length'];
} else {
qtranxf_complete_url_info($url_info);
if (!isset($url_info['path-base'])) {
//path did not match neither 'site' nor 'home', but it came to this code, then redirect to home.
//may happen for testing
$target = get_option('home');
wp_redirect($target);
exit;
}
$url_info['doing_front_end'] = true;
}
$lang = qtranxf_parse_language_info($url_info);
if ((!$lang || !isset($url_info['doing_front_end'])) && (defined('DOING_AJAX') || !$url_info['cookie_enabled']) && isset($_SERVER['HTTP_REFERER'])) {
//get language from HTTP_REFERER, if needed, and detect front- vs back-end
$http_referer = $_SERVER['HTTP_REFERER'];
$url_info['http_referer'] = $http_referer;
if (strpos($http_referer, '/wp-admin') !== FALSE) {
$url_info['referer_admin'] = true;
if (!isset($url_info['doing_front_end'])) {
$url_info['doing_front_end'] = false;
}
} else {
$ref_info = qtranxf_parseURL($http_referer);
if (!qtranxf_external_host($ref_info['host'])) {
//determine $ref_info['path-base']
qtranxf_complete_url_info($ref_info);
if (isset($ref_info['path-base'])) {
$url_info['internal_referer'] = true;
//$ref_info['url'] = $ref_info['path'];
if (!$lang || !(isset($url_info['doing_front_end']) || isset($ref_info['doing_front_end']))) {
$lang = qtranxf_parse_language_info($ref_info, true);
if ($lang === false) {
unset($url_info['internal_referer']);
}
}
$url_info['referer_language'] = $lang;
if (!isset($url_info['doing_front_end']) && isset($ref_info['doing_front_end'])) {
$url_info['doing_front_end'] = $ref_info['doing_front_end'];
}
}
}
if (!$lang && $q_config['hide_default_language'] && isset($url_info['doing_front_end']) && $url_info['doing_front_end']) {
$lang = $q_config['default_language'];
}
}
}
//$url_info['doing_front_end'] defines if we are in front- or back-end. Why WP does not have that, or does it?
if (!isset($url_info['doing_front_end'])) {
$url_info['doing_front_end'] = !defined('WP_ADMIN');
}
if (!$lang) {
if ($url_info['doing_front_end']) {
$lang = qtranxf_detect_language_front($url_info);
} else {
$lang = qtranxf_detect_language_admin($url_info);
}
}
$url_info['set_cookie'] = !defined('DOING_AJAX');
/**
* Hook for possible other methods
* Set $url_info['language'] with the result
*/
$lang = apply_filters_ref_array('i18n_detect_language', array($lang, &$url_info));
$url_info['language'] = $lang;
/**
* Hook for possible other methods
* Set $url_info['language'] with the result
*/
$url_info = apply_filters('qtranslate_detect_language', $url_info);
//obsolete, use the above filter instead
$lang = $url_info['language'];
//qtranxf_dbg_log('qtranxf_detect_language: detected: url_info: ',$url_info);
if ($url_info['set_cookie']) {
qtranxf_set_language_cookie($lang);
}
return $lang;
}