<?php class A{ function baz(){} } class B extends A{ function bar(){} } class C extends B{ function qux(){} } abstract class DecoratedA{ // DecoratorA || ForwardingA || DelegatingA protected $wrap; function __construct(A $a){ $this->wrap = $a; } function baz(){ return $this->wrap->baz(); } } abstract class DecoratedB extends DecoratedA{ // DecoratorB || ForwardingB || DelegatingB function __construct(B $b){ parent::construct($b); } function bar(){ return $this->wrap->bar(); } } abstract class DecoratedC extends DecoratedB{ // DecoratorC || ForwardingC || DelegatingC function __construct(C $c){ parent::construct($c); } function qux(){ return $this->wrap->qux(); } }
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