static public function identifyFirstLanguage($values)
    {
        $returnValue = '';

        if (count($values) > 0) {
            $previousLanguage = $values[0]['language'];
            $returnValue = $previousLanguage;
            
            foreach ($values as $value) {
                if ($value['language'] == $previousLanguage) {
                    continue;
                } else {
                    $returnValue = $previousLanguage;
                    break;
                }
            }
        }

        return $returnValue;
    }