phpDocumentor is an open-source documentation generator specifically designed for PHP. It facilitates the automatic creation of documentation from PHP source code, aiding developers in maintaining clear and comprehensive software documentation. By parsing PHP projects, phpDocumentor generates structured and detailed API documentation in various formats, including HTML. Its features include support for DocBlock comments, compatibility with PSR-5 PHPDoc standards, and the ability to create diagrams for classes and namespaces. This tool is particularly useful for developers looking to improve code readability and maintainability by maintaining up-to-date documentation directly alongside their source code.