In words: $items2show_ref is a reference (->), to an array ([...]), that has an element at offset ARRAYX that is a reference to an array (@{ ... }), onto which you wish to push $value: 

push @{ $items2show_ref->[ARRAYX] }, $value;

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In reply to Re: getting in trouble avoiding global variables by BrowserUk
in thread getting in trouble avoiding global variables by cmac

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