NullRessourceID.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\MetaData\Elements\RessourceID;
 
class NullRessourceID implements RessourceIDInterface
{
    public function type(): string
    {
        return '';
    }
 
    public function objID(): int
    {
        return 0;
    }
 
    public function subID(): int
    {
        return 0;
    }
}