x=""
[[ -n ${option2} ]] && x="${v}_${option2}[@]"
[[ -z ${!x} ]] && x="${v}_${option1}[@]"
[[ -n ${!x} ]] && eval "${v}_${ifvar}=( \"${!x}\" )"
[[ -n ${!x} ]] && eval "${v}_${ifvar}=( \"\${!x}\" )"
done