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@ 2017-07-09T10:26:32Z

<?php

abstract class Component
{
    protected $data;

    abstract public function getHtml();
}

class ConcreteComponent extends Component
{
    // public function __construct()
    // {
    //     $this->data = "<body></body>";
    // }

    public function getHtml()
    {
        // return $this->data;
        return "<body></body>";
    }
}

abstract class Decorator extends Component
{
    
}

class ConcreteDecorator1 extends Decorator
{
    public function __construct(Component $data)
    {
        $this->data = $data;
    }

    public function getHtml()
    {
        return $this->data->getData() . "<p>   </p>";
    }
}

class ConcreteDecorator2 extends Decorator
{
    public function __construct(Component $data)
    {
        $this->value = 500;
        $this->data = $data;
    }

    public function getHtml()
    {
        return "<span>".$this->data->getData()."</span>";
    }
}

$compo = new ConcreteDecorator2(new ConcreteDecorator1(new ConcreteComponent()));

echo $compo->getHtml();
// echo "Client:\t\t\t";
// echo $compo->getValue();

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Creation of dynamic property ConcreteDecorator2::$value is deprecated in /in/a6Blm on line 46 Fatal error: Uncaught Error: Call to undefined method ConcreteDecorator1::getData() in /in/a6Blm:52 Stack trace: #0 /in/a6Blm(58): ConcreteDecorator2->getHtml() #1 {main} thrown in /in/a6Blm on line 52
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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