Is ThinkPHP free?

ThinkPHP is released under the Apache2 open source license and is free for use.

版权所有Copyright © 2006-2012 by ThinkPHP (http://thinkphp.cn) All rights reserved。

The owner of the trademark and copyright of ThinkPHP® is Shanghai Dingxiang Information Technology Co., Ltd.

Apache License is a protocol adopted by Apache, a well-known non-profit open source organization. This agreement is similar to BSD, encouraging code sharing and respecting the copyright of the original author, allowing code modification, and then releasing it as open source or commercial software.

Conditions that need to be met:

1. The user needs to be given an Apache License;

2. If you modify the code, you need to explain it in the modified file;

3. In the extended code (modification and source code derivative code), the agreement, trademark, patent statement and other instructions specified by the original author in the original code need to be included;

4. If the re-released product contains a Notice file, the content of this agreement must be included in the Notice file. You can add your own license to the Notice, but it cannot appear to be a change to the Apache License.

This article comes from the ThinkPHP framework technical article column: http://www.php.cn/phpkj/thinkphp/

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