PMA\libraries\plugins\auth\AuthenticationSignon::authSetUser PHP Метод

    public function authSetUser()
    {
        global $cfg;
        global $PHP_AUTH_USER, $PHP_AUTH_PW;
        $cfg['Server']['user'] = $PHP_AUTH_USER;
        $cfg['Server']['password'] = $PHP_AUTH_PW;
        return true;
    }