final public static function checkPhpVersion()
    {
        $phpv = phpversion();

        if ($phpv >= self::$php_accept) {
            return (json_encode(array("code" => 200, "results" => "OK", "phpv" => $phpv)));
        } else {
            return (json_encode(array("code" => 500, "results" => "NOK", "phpv" => $phpv, "msg" =>
                "The version of PHP is incompatible with iumio Framework. You must have at least version 7.2
                 of PHP on your web server.")));
        }
    }