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Commit 4ae202a

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Decorator
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‎Decorator/index.php

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<?php
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/**
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* Design pattern "Decorator" (Structural)
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* This is demo code
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* See for details: http://maxsite.org/page/php-patterns
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*/
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/**
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* Base class for Component
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*/
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abstract class ComponentAbstract
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{
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abstract public function operation();
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}
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/**
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* Component
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*/
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class Component extends ComponentAbstract
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{
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public function operation()
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{
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echo 'Component operation <br>';
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}
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}
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/**
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* Base for Decorator
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*/
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abstract class DecoratorAbstract extends ComponentAbstract
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{
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protected $component;
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/**
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* accept Component
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*/
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public function __construct($component)
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{
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$this->component = $component;
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}
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}
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/**
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* Decorator for Component
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*/
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class Decorator extends DecoratorAbstract
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{
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/**
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* New operation with Component
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*/
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public function operation()
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{
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echo 'Decorator 1 <br>';
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$this->component->operation();
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echo 'Decorator 2 <br>';
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}
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}
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/**
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* demo
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*/
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/**
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* create Decorator for Component
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*/
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$decoratedComponent = new Decorator(
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new Component()
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);
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/**
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* run operation
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*/
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$decoratedComponent->operation();
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/*
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Decorator 1
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Component operation
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Decorator 2
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*/
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# end of file

‎README.md

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* "Observer" (Behavioral)
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* "Prototype" (Creational)
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* "Bridge" (Structural)
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* "Decorator" (Structural)
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(c) MaxSite.org, 2019, http://maxsite.org/

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