protected function _nameConvert($string)
    {
        // if ( !strpos($string, '_') ) {
        //     return strtolower($string);
        // }

        if (strpos($string, 'HTTP_') !== false) {
            $string = substr($string, \strlen('HTTP_'));
        } else {
            return false;
        }

        $arr_char = explode('_', strtolower($string));
        $newString = array_shift($arr_char);

        foreach ($arr_char as $val) {
            $newString .= ucfirst($val);
        }

        return $newString;
    }