packer.php

См. документацию.

<?
namespace Bitrix\Sale\Delivery\Packing;

class Packer
{
    public 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();
    }
}