CssCollection.php

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<?php

declare(strict_types=1);
namespace ILIAS\GlobalScreen\Scope\Layout\MetaContent\Media;

class CssCollection extends AbstractCollection
{
    public function addItem(Css $item) : void
    {
        $real_path = realpath(parse_url($item->getContent(), PHP_URL_PATH));
        foreach ($this->getItems() as $css) {
            if (realpath(parse_url($css->getContent(), PHP_URL_PATH)) === $real_path) {
                return;
            }
        }
        $this->items[] = $item;
    }

    public function getItemsInOrderOfDelivery() : array
    {
        return parent::getItemsInOrderOfDelivery();
    }
}