<?php

    define ('_YOUDOITRIGHT', false);

    

    interface Ifoo

    {

        public function echoValeur();

        public function increment();

    }

    interface Ibar

    {

    }

    

    class foo implements Ifoo

    {

        private $valeur = 0;

        public function echoValeur()

        {

            echo('foo: ' . $this->valeur . '<br/>');

        }

        public function increment()

        {

            $this->valeur++;

        }

    }

    

    class bar implements Ibar, Ifoo

    {

        private $objet;

        

        public function __construct(Ifoo $p_obj)

        {

            if (_YOUDOITRIGHT)

                $this->objet = clone $p_obj;

            else

                $this->objet = $p_obj;

        }

        public function echoValeur()

        {

            echo('bar: ');

            $this->objet->echoValeur();

        }

        public function increment()

        {

            echo('You cannot increment bar objet.<br/>');

        }

    }

    

    class Main

    {

        public static function run()

        {

            $myFoo = new foo();

            $myFoo->echoValeur();

            $myFoo->increment();

            $myFoo->echoValeur();

            

            $myBar = new bar($myFoo);

            $myBar->echoValeur();

            $myBar->increment();

            $myFoo->increment();

            $myBar->echoValeur();

        }

    }

    Main::run();

    

?>

<?php

class A

{

    private $var = 'SecretVar';

}



$secret = new a();

$reflector = new ReflectionClass('A');

$properties = $reflector->getProperties();

foreach($properties as $property)

{

    var_dump($property);

    var_dump($secret->{$property->getName()});

}

?>

<?php 

$secret = new a();

$obj = new A();

$refObject = new ReflectionObject( $obj );

$refProperty = $refObject->getProperty('vars');

$refProperty->setAccessible(true);

$refProperty->setValue($secret, 'Not secret');

$secret->get(); 

<?php 

$myFoo = new foo();

$myBar = new bar($myFoo);

$myFoo->increment();