psalm

Psalm is a command line tool and static analysis tool for PHP code. It is used to analyze and find errors and potential bugs or issues in PHP codebases. Psalm incorporates advanced type inference and code analysis techniques to provide accurate and fast static analysis.

It helps developers find errors early in the development process and ensures code quality and reliability. Psalm supports different levels of strictness based on the project's requirements and can be customized to suit specific needs.

The tool is easy to set up and integrate into existing PHP projects as it supports all major PHP versions. It supports a wide range of PHP language features and can handle modern PHP syntax and code patterns.

Psalm provides detailed and informative error messages and suggestions, making it easier for developers to understand and fix issues in their code. It also offers integration with popular IDEs, allowing developers to get real-time feedback and suggestions directly within their development environment.

Apart from identifying errors, Psalm also offers features like detecting unused or undefined variables, providing insights into unused code, and checking for issues related to code style or best practices.

The tool has a growing community and active development, ensuring continuous improvement and updates. It also has extensive documentation and a dedicated website that provides resources and guides on getting started, configuring, and using Psalm effectively.

Psalm is highly regarded in the PHP community and is trusted by many developers and companies to ensure code quality and maintainability in their PHP projects.