/**
* This function get the URL of the translation of an URL. It retrieve the URL from the mapping saved in the options page.
*
* @param $url string URL of the page to get the translation.
* @param $language string language of translation. If it is null or invalid, current language loaded in the page is used.
*
* @return string it returns the URL of the translation or false if the URL isn't contained in the mapping.
*/
function uls_get_url_map_translation($url, $language = null)
{
//get language
if (!uls_valid_language($language)) {
$language = uls_get_user_language();
}
//get the mappging
$options = get_option('uls_settings');
if (isset($options['translation_mapping'][$language][$url])) {
return $options['translation_mapping'][$language][$url];
}
return false;
}
/**
* Get the language of a post.
*
* @param $id integer id of the post.
*
* @return string the code of the language or an empty string if the post doesn't have a language.
*/
function uls_get_post_language($id)
{
$postLanguage = get_post_meta($id, 'uls_language', true);
if ("" == $postLanguage) {
return "";
}
//format the language code
$p = strpos($postLanguage, "_");
if ($p !== false) {
$postLanguage = substr($postLanguage, 0, $p) . strtoupper(substr($postLanguage, $p));
}
//validate the language
if (uls_valid_language($postLanguage)) {
return $postLanguage;
}
return "";
}