Try creating a new variable:
$entries = $menu->query("//menu/entry");
Now do print_r($entrie s). Does it print anything? If so, keep the new variable and replace $menu->query("//menu/entry") in your foreach with $entries.
$entries = $menu->query("//menu/entry");
Now do print_r($entrie s). Does it print anything? If so, keep the new variable and replace $menu->query("//menu/entry") in your foreach with $entries.
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