( the arraay contains the id_alias of the options corresponding to the real option of the language)
function()
{
$ids = [];
$res = [];
$this->options->deleteCache($this->id, true);
if ($this->check() && isset($this->id_langs)) {
if ($ids = array_keys($this->options->options($this->id_langs))) {
foreach ($ids as $i) {
if (!empty($this->options->alias($i))) {
$res[] = $this->options->alias($i);
}
}
return $res;
}
}
return $res;
}
