• A PHP class (or interface) maps to an UML Class (or Interface).

• A PHP function maps to an UML Operation.

• A PHP property, or class constant, maps to an UML Attribute.

Packages do not exist in PHP, like they do in Java. There are two possible ways to mimic them:

• by using the PHP namespace instruction

• by using the docblock @package in the comment of a class (or of a file)

Note that the namespace and use instructions will be parsed only if you run PHP_UML with PHP from version 5.3.

• A PHP file maps to an UML Artifact.

• A physical folder maps to an UML Package.

In UML 1.4:

• A class (or an interface) maps to an UML Component.

• A logical package maps to an UML Subpackage.

In UML 2.1:

• A class (or an interface) maps to an UML Component.

• A logical package maps to a nesting UML Component.