Conversion rules
Logical view
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A PHP class (or interface) maps to an UML Class (or Interface).
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A PHP function maps to an UML Operation.
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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:
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by using the PHP namespace instruction
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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.
Deployment view
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A PHP file maps to an UML Artifact.
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A physical folder maps to an UML Package.
Component view
In UML 1.4:
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A class (or an interface) maps to an UML Component.
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A logical package maps to an UML Subpackage.
In UML 2.1:
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A class (or an interface) maps to an UML Component.
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A logical package maps to a nesting UML Component.