This also doesn't answer your question, but rather than checking if there's a "next element" in your array, check that your index hasn't gone beyond the end of your array: 

$next_version_key = $ordered_list->[$i+1]->[0] if $i+1 < @{$ordered_li
+st};

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duff

In reply to Re: Array mysteriously growing by duff
in thread Array mysteriously growing by AntsPants

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