Automatic documentation generation

Question

PHP

Actually, subject. How can I automatically generate project documentation?
Support for php from 5.3 is highly desirable (namespace, etc.)

Answer 1

PHPDoc

Answer 2

tcpdf
I generate a connection agreement through it, the client has to sign. Very handy item and easy to use

Answer 3

github.com/fabpot/sami

Answer 4

apigen.org/