$listLineStatsNumbers=getbwStatsNumbers();

foreach ($listLineStatsNumbers as $listLineStatsNumbersIndexForTime => $listLineStatsNumbersValueForTime)
{
$dataToUse[$listLineStatsNumbersValueForTime['bandwidthlocalTime']]["bandwidthTx_" . $listLineStatsNumbersValueForTime["bandwidthAdapter"]] = $listLineStatsNumbersValueForTime['bandwidthTx'];
$dataToUse[$listLineStatsNumbersValueForTime['bandwidthlocalTime']]["bandwidthRx_" . $listLineStatsNumbersValueForTime["bandwidthAdapter"]] = $listLineStatsNumbersValueForTime['bandwidthRx'];
}
Figured it out! Wasn't as complex as I made it out to be XD.