<?php


class factory { 


	public $name = null;
	public $produced = array();  
	protected $products = array();


	public function __construct($name) {
		$this->name = $name;
	}


	public function get_name() {
		return $this->name;
	}


	public function get_produced() { 
		return $this->produced;      
	} 


	public function add_product($product) {
		$this->products[$product->get_name()] = $product;
		return $this;
	}


    public function produce($name, $amount) {


		if ( ! isset($this->products[$name]))
			return false;


        for ($i = 0; $i < $amount; ++$i) {
            $this->produced[] = clone $this->products[$name];
		}
		return true;
	}
} 


class ice_factory extends factory {


	protected $temperature = 5;


    public function produce($name, $amount) {


		if($this->temperature > 11) {
			echo 'het ijs smelt!<br />'.PHP_EOL;
			return false;
		}


		$this->temperatuur += $amount;
		return parent::produce($name, $amount);
	}
	
	public function cool_down() {
		$this->temperature -= 3;
		return $this;
	}
}


class ice {


	public $temperature = 0;
	protected $name;
	protected $colors = array();
	protected $tastes = array();
	
	public function __construct($name, $colors, $tastes, $temperature = null) {
		if($temperature > 11) {
			echo'het ijs smelt!<br />'.PHP_EOL;
			return false;
		}


		$this->name = $name;
		$this->colors = is_array($colors) ? $colors : array($colors);
		$this->tastes = is_array($tastes) ? $tastes : array($tastes);


		if(is_int($temperature)) {
			$this->temperature = $temperature;
		}
	}


	public function get_name() {
		if($temperature > 11) {
			echo'het ijs smelt! je kunt niet meer herkennen welk ijs het is!<br />'.PHP_EOL;
			return false;
		}
		return $this->name;
	}


	public function get_colors() {
		if($temperature > 11) {
			echo'het ijs smelt! je kunt niet meer herkennen welke kleuren het ijs had!<br />'.PHP_EOL;
			return false;
		}
		return $this->colors;
	}


	public function get_tastes() {
		if($temperature > 11) {
			echo'het ijs smelt! proef snel! voordat je het weg moet gooien<br />'.PHP_EOL;
		}
		return $this->tastes;
	}


	public function get_temperature() {
		return $this->temperature;
	}
}


$ijs_fabriek = new ice_factory('olla');
$ijs_fabriek->add_product(new ice('geel soft ijs', 'geel', 'soft ijs'))
            ->add_product(new ice('rood soft ijs', 'rood', 'soft ijs'))
            ->add_product(new ice('paars soft ijs', 'paars', 'soft ijs'))
            ->add_product(new ice('orange soft ijs', 'orange', 'soft ijs'))
            ->add_product(new ice('raketje', array('rood', 'geel', 'orange'), 'water'));
$ijs_fabriek->produce('geel soft ijs', 3);
$ijs_fabriek->produce('paars soft ijs', 8);
$ijs_fabriek->cool_down()->cool_down()->produce('raketje', 30);


echo $ijs_fabriek->get_name().' heeft de volgende ijsjes geproduceerd:<br />'.PHP_EOL;
echo '<pre>'.print_r($ijs_fabriek->get_produced(), true).'</pre><br />'.PHP_EOL;
echo 'de temperatuur is opgelopen tot '.$ijsfabriek->temperature.' graden celcius.';


?>


<hr />
<?php
highlight_file(__FILE__);
?>