Packer::countMinContainerSize

static function countMinContainerSize(array $boxesSizes)
{
	if(count($boxesSizes) == 0)
		return array(0,0,0);

	if(count($boxesSizes) == 1)
		return current($boxesSizes);

	$container = new Container();

	foreach($boxesSizes as $box)
		$container->addBox($box);
		
	return $container->getFilledDimensions();
}