private function attachRandomTags(Item $item)
{
$tags_copy = $this->tags;
$tags_to_attach = rand(0, sizeof($this->tags));
for ($i = 0; $i < $tags_to_attach; $i++) {
$index = rand(0, sizeof($tags_copy) - 1);
$item->addTag($tags_copy[$index]);
array_splice($tags_copy, $index, 1);
}
}
