### Install sebastian/cli-parser using Composer Source: https://github.com/sebastianbergmann/cli-parser/blob/main/README.md Demonstrates how to add the sebastian/cli-parser library to a project using Composer, both as a regular dependency and as a development-time dependency. ```bash composer require sebastian/cli-parser ``` ```bash composer require --dev sebastian/cli-parser ``` === COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.