public function getLanguageCodesList()
    {
        $languages = array();
        foreach ($this->getStores() as $store) {
            $languages[] = $store->getLanguageCode();
        }
        return array_unique($languages);
    }
public function getLanguageCodesList()
    {
        $languages = array();
        foreach ($this->getStores() as $store) {
            $languages[] = $store->getLanguageCode();
        }
        return array_unique($languages);
    }
public function getLanguageCodesList ( ) { $ languages = array ( ) ; foreach ( $ this -> getStores ( ) as $ store ) { $ languages [ ] = $ store -> getLanguageCode ( ) ; } return array_unique ( $ languages ) ; }
Get a simple array of all language codes used in this installation
@return array
Get a simple array of all language codes used in this installation