View difference between Paste ID: JpcMqaGQ and utTMDcqc

 <?php
 
 class drink
 {
 	private $alcool = '';
 	private $pourcent = 0;
 
 	public function __construct($alcool, $pourcent)
 	{
 		$this->alcool = $alcool;
                 $this->pourcent = $pourcent;
 	}
 
 	public function __toString()
 	{
 		return $this->alcool . ': ' . $this->pourcent . '%';
 	}
 
 	public function getPourcent()
 	{
 		return $this->pourcent;
 	}
 
 	public function getAlcool()
 	{
 		return $this->alcool;
 	}
 }
 
 class drinks implements iteratorAggregate
 {
 	private $drinks = array();
 
 	public function destroy()
 	{
 		$this->drinks = array();
 	}
 
 	public function add(drink $drink)
 	{
 		$this->drinks[] = $drink;
 
 		return $this;
 	}
 
 	public function getIterator()
 	{
 		return new arrayIterator($this->drinks);
 	}
 }
 
 class order
 {
 	private $numberOfDrinks = 0;
 	private $alcool = '';
         private $isPaid = false;
 
         public function __construct($numberOfDrinks, $alcool)
 	{
 		$this->numberOfDrinks = $numberOfDrinks;
 		$this->alcool = $alcool;
 	}
 
 	public function increaseNumberOfDrinks()
 	{
 		$this->numberOfDrinks++;
 
 		return $this;
 	}
 
 	public function getNumberOfDrinks()
 	{
 		return $this->numberOfDrinks;
 	}
 
 	public function getAlcool()
 	{
 		return $this->alcool;
 	}
 
         public function getPrice()
         {
             return $this->numberOfDrinks * 6;
         }
 
         public function isPaid()
         {
             return $this->isPaid;
         }
 
         public function setPaid($boolean)
         {
             $this->isPaid = $boolean;
             return $this;
         }
 }
 
 class client
 {
 	private $drinks = array();
 	private $creditCardNumber = '';
 
 	public function __construct()
 	{
 		$this->creditCardNumber = uniqid();
 	}
 
 	public function order($numberOfDrinks, $alcool)
 	{
                 return new order($numberOfDrinks, $alcool);
 	}
 
 	public function receiveDrinks(drinks $drinks)
 	{
 		foreach($drinks as $drink )
                 {
                     $this->drinks[] = $drink;
                 }
 
 		return $this;
 	}
 
 	public function getCreditCardNumber()
 	{
 		return $this->creditCardNumber;
 	}
 
 	public function showDrinks()
 	{
 		foreach ($this->drinks as $drink)
 		{
 			echo $drink . PHP_EOL;
 		}
 
 		return $this;
 	}
 }
 
 class tpe
 {
 	private $creditCardNumber = '';
 	private $price = 0;
 
 	public function setCreditCardNumber($creditCardNumber)
 	{
 		$this->creditCardNumber = $creditCardNumber;
 
 		return $this;
 	}
 
 	public function setPrice($price)
 	{
 		$this->price = $price;
 
 		return $this;
 	}
 
 	public function executeTransaction(order $order)
 	{
 		echo 'Just pay ' . $order->getPrice() . ' with card ' . $this->creditCardNumber . '!' . PHP_EOL;
                 $order->setPaid(true);
 
 		return $this;
 	}
 }
 
 class barman
 {
 	private $order = null;
 	private $drinks = null;
 
 	public function receiveOrder(order $order)
 	{
                 if( $this->order && !$this->order->isPaid())
                 {
                     throw new \RuntimeException('Je dois en premier me faire payer la commande en court');
                 }
 
 		$this->order = $order;
 
 		return $this;
 	}
 
 	public function prepareOrder()
 	{
 		$this->drinks = new drinks();
 
 		for ($numberOfDrinks = $this->order->getNumberOfDrinks(); $numberOfDrinks > 0; $numberOfDrinks--)
 		{
 			$this->drinks->add(new drink($this->order->getAlcool(), 75));
 		}
 
 		return $this;
 	}
 
 	public function giveDrinks()
 	{
             // le barman ne les a plus donc on les lui retire
 		$drinks = $this->drinks;
                 $this->drinks = null;
                 return $drinks;
 	}
 
 	public function billDrinks($client)
 	{
 		$tpe = new tpe();
 
 		$tpe
 			->setCreditCardNumber($client->getCreditCardNumber())
 			->executeTransaction($this->order)
 		;
 
 		return $this;
 	}
 }
 
 $me = new client();
 $barman = new barman();
 
 $barman
 	->receiveOrder($me->order(5, 'Chimay bleu'))
 	->prepareOrder()
 ;
 $me->receiveDrinks($barman->giveDrinks());
 
 $barman->billDrinks($me);
 $me->showDrinks();