How to solve the Composer dependency license issue? Use dominikb/composer-license-checker!

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I'm having a tough problem when managing PHP project dependencies using Composer: How do I make sure that all dependent licenses meet project requirements? Inadvertently introduced some licenses that do not meet company policies or project needs, it may lead to legal risks or project compliance issues. Fortunately, I found the dominikb/composer-license-checker tool, which helped me solve this problem easily.

Install dominikb/composer-license-checker

Installing this tool is very simple, just run the following command in your project:

 <code class="bash">composer require --dev dominikb/composer-license-checker</code>

How to use

This tool provides two main commands:

• ./composer-license-checker check : Check whether the dependent license meets your requirements.
• ./composer-license-checker report : generates a report that depends on the license.

You can check and report using the following command:

 <code class="bash">./vendor/bin/composer-license-checker check \ --allowlist MIT \ # 只允许使用MIT 许可证--blocklist GPL \ # 禁止使用GPL 许可证--allow dominikb/composer-license-checker # 始终允许这个依赖，无论其许可证是什么./vendor/bin/composer-license-checker report -p /path/to/your/project -c /path/to/composer.phar</code>

Handle dependencies without licenses

Some dependencies may not have a license specified in composer.json , and these dependencies will be classified as none . You can use the following command to handle these dependencies:

 <code class="bash"># 允许没有许可证的依赖./composer-license-checker check --allowlist none # 禁止没有许可证的依赖./composer-license-checker check --allowlist GPL --blocklist none</code>

Advantages and practical application effects

The biggest advantage of using dominikb/composer-license-checker is that it can automatically check and report dependent licenses, helping you avoid introducing licenses that do not meet the requirements. By integrating this tool in the CI process, you can ensure that each code merge does not introduce dependencies that do not comply with license policies, thereby improving project compliance and security.

In practical applications, this tool not only helps me quickly identify and deal with license issues, but also greatly reduces the time and workload of manual inspections. Whether it is small projects or large enterprise-level applications, using dominikb/composer-license-checker can significantly improve the efficiency and quality of project management.

In short, if you encounter license issues when managing Composer dependencies, it is highly recommended to use dominikb/composer-license-checker to solve these problems, and it will become a right-hand assistant in your project management.

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