Classes

http://pear.php.net/manual/en/package.php.php-uml.command-line.php
phpuml ./includes/models/ ./includes/controllers/ ./includes/assets/ ./includes/rbac/ -n SAWP -f htmlnew -o ./uml/
link to phpuml output

https://github.com/jakobwesthoff/phuml
php ~/Desktop/phuml-master/src/app/phuml -r ./includes/ -graphviz -createAssociations false -neato out.png
link to phuml output

Visual Paradigm
link1
link2