Basic HTTP 认证范例

     HI {$_SERVER['PHP_AUTH_USER']}.
";		echo "
恭喜你登录成功！
";	}else{		header('WWW-Authenticate: Basic realm="test"');		header('HTTP/1.0 401 Unauthorized');	}  }?>

Digest HTTP 认证范例

     1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1);    $data = array();    preg_match_all('@(\w+)=([\'"]?)([a-zA-Z0-9=./\_-]+)\2@', $txt, $matches, PREG_SET_ORDER);	//print_r($matches);    foreach ($matches as $m) {        $data[$m[1]] = $m[3];        unset($needed_parts[$m[1]]);    }    return $needed_parts ? false : $data;}?>