phpDocumentor is the world standard auto-documentation tool for PHP. Written in PHP, phpDocumentor can be used directly from the command-line, or through an easy to use web interface. phpDocumentor can be used to generate professional documentation directly from the source code of your PHP project. Support for linking between documentation, automatic class inheritance and generation of highlighted source code with cross-referencing to php general documentation are just a few of the features of phpDocumentor.