<?php
// Kompositum.interface.php5
 
Interface IKompositum
{
	public function get ( );
 
}
 
?>

<?php
// Kompositum.class.php5
 
 
class Kompositum implements IKompositum
{
	private $children;
 
 
 
	function __construct ( )
	{
		$this->children = array();
	}
 
 
 
	public function get ( )
	{
		$result = NULL;
 
		if( count($this->children) >= 1 )
			while( list(,$instance) = each($this->children) )
			{
				$result .= $instance->get();
			}
 
		return $result;
	}
 
 
 
	public function add ( $instance )
	{
		$this->children[] = $instance;
	}
 
 
	public function remove ( $instance )
	{
 
	}
 
}
 
?>

<?php
// Child.class.php5
 
 
 
class Child implements IKompositum
{
	private $content;
 
 
 
	function __construct ( )
	{
		$this->content = NULL;
	}
 
 
	public function get ( )
	{
		return $this->content;
	}
 
 
	public function set ( $content )	
	{
		$this->content = $content;	
	}
 
 
	public function remove ( )
	{
		$this->content = NULL;
	}
}
 
 
 
?>

<?php
 
 
include_once('Kompositum.interface.php5');
include_once('Kompositum.class.php5');
include_once('Child.class.php5');
 
 
$kompositum1 = new Kompositum();
$kompositum2 = new Kompositum();
$kompositumAll = new Kompositum();
 
$child1 = new Child();	$child1->set("Das ");
$child2 = new Child();	$child2->set("ist ");
$child3 = new Child();	$child3->set("der ");
$child4 = new Child();	$child4->set("erste ");
$child5 = new Child();	$child5->set("Satz ");
 
 
 
$kompositum1->add($child1);
$kompositum1->add($child2);
 
$kompositum2->add($child3);
$kompositum2->add($child4);
$kompositum2->add($child5);
 
$kompositumAll->add($kompositum1);
$kompositumAll->add($kompositum2);
 
echo $kompositumAll->get();
 
 
?>

// Ausgabe: Das ist der erste Satz