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All public methods of abstract classes should be final. Enforce API encapsulation in an inheritance architecture. If you want to override a method, use the Template method pattern.
`Prototype`__ ============= Purpose ------- To avoid the cost of creating objects the standard way (new Foo()) and instead create a prototype and clone it. Examples -------- - Large amounts of data (e.g. create 1,000,000 rows in a database at once via a ORM). UML Diagram ----------- .. image:: uml/uml.png :alt: Alt Prototype UML Diagram :align: center Code ---- You can also find this code on `GitHub`_ BookPrototype.php .. literalinclude:: BookPrototype.php :language: php :linenos: BarBookPrototype.php .. literalinclude:: BarBookPrototype.php :language: php :linenos: FooBookPrototype.php .. literalinclude:: FooBookPrototype.php :language: php :linenos: Test ---- Tests/PrototypeTest.php .. literalinclude:: Tests/PrototypeTest.php :language: php :linenos: .. _`GitHub`: https://github.com/domnikl/DesignPatternsPHP/tree/main/Creational/Prototype .. __: http://en.wikipedia.org/wiki/Prototype_pattern