$generalAccountingDir->add($gaDir1);
$gaFile1 = new File('gaFile1', 1024);
$gaFile2 = new File('gaFile2', 512);
$gaDir1->add($gaFile1);
$gaDir1->add($gaFile2);
$gaFile3 = new File('gaFile2', 1536);
$generalAccountingDir->add($gaFile3);
$hrDir1 = new Directory('hrDir1');
$humanResourcesDir->add($hrDir1);
$enFile1 = new File('enFile1', 1024);
$engineeringDir->add($enFile1);
$enDir1 = new Directory('enDir1');
$engineeringDir->add($enDir1);
$enFile2 = new File('enFile2', 1536);
$enDir1->add($enFile2);
$rootDir->printList('');
abstract class Entry
{
protected $name;
protected $parent;
public function getName()
{
return $this->name;
}
public abstract function getSize();
public function getParent()
{
return $this->parent;
}
public function setParent(Entry $entry)
{
