License

Redistribution and use in source and binary forms, with or without modification, is permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
The name "Xdebug" must not be used to endorse or promote products derived from this software without prior written permission. For written permission, please contact derick@xdebug.org.
Products derived from this software may not be called "Xdebug", nor may "Xdebug" appear in their name, without prior written permission from derick@xdebug.org.
Derick Rethans may publish revised and/or new versions of the license from time to time. Each version will be given a distinguishing version number. Once covered code has been published under a particular version of the license, you may always continue to use it under the terms of that version. You may also choose to use such covered code under the terms of any subsequent version of the license published by Derick Rethans. No one other than Derick Rethans has the right to modify the terms applicable to covered code created under this License.
Redistributions of any form whatsoever must retain the following acknowledgment: "This product includes Xdebug, freely available from http://xdebug.org/".

THIS SOFTWARE IS PROVIDED BY DERICK RETHANS ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PHP DEVELOPMENT TEAM OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

如果满足以下条件，则允许重新分发和使用源代码以及二进制形式（有或无修改）：

源代码的再分发必须保留上述版权声明，此条件列表和以下免责声明。
二进制形式的再分发必须在分发所提供的文档和（或）其他材料中复制上述版权声明，此条件列表和以下免责声明。
未经事先书面许可，不得使用 “Xdebug” 这个名称来认可或推广从本软件衍生的产品。如需书面许可，请联系 derick@xdebug.org。
未经 derick@xdebug.org 事先书面许可，不得将本软件衍生的产品称为 “Xdebug”，也不得在其名称中出现 “Xdebug”。
Derick Rethans 可能不时发布修订版和（或）新版本的许可证。每个版本将被给予一个用于区别的版本号。一旦根据许可证的特定版本涵盖的代码发布，根据该版本的条款你可以始终继续使用它。你也可以根据由 Derick Rethans 出版的许可证的任何后续版本的条款选择使用此类受保护的代码。除了 Derick Rethans 之外，没有任何人有权修改适用于根据本许可证创建的受保护代码的条款。
任何形式的重新分发必须保留以下声明：“本产品包括 Xdebug，可从 http://xdebug.org/ 免费获得”。

本软件由 DERICK RETANANS 按“原样”提供，并且不作任何明示或暗示的保证，包括但不限于适销性和特定用途适用性的默示保证。在任何情况下，PHP 开发团队或其贡献者不对任何直接、间接、偶发、特殊、惩罚性或后果性损害（包括但不限于替代商品或服务的采购，使用中数据、利润的损失，或业务中断）承担责任，无论是由于任何责任推定原因，无论是在合同严格责任或侵权（包括疏忽或其他方式）中，以任何方式使用本软件，即使已被告知此类软件的可能性损伤。

这个软件包括一些由 Derick Rethans 发起的个人的自愿捐款。

Derick Rethans 可以通过电子邮件 derick@xdebug.org 联系。

有关Xdebug的更多信息，请参阅 http://xdebug.org/。