public static function makeGroupedKeepersArr(KeeperData $keeperData)
{
self::$data = $keeperData->getData();
self::$groupCriteria = $keeperData->getGroupCriteria();
self::$keeper = $keeperData->getKeeper();
$groupCriteriaUniqueValues = [];
foreach (self::$data as $item) {
foreach ($item as $key => $value) {
if ($key === self::$groupCriteria) {
if (!in_array($value, $groupCriteriaUniqueValues, TRUE)) {
$groupCriteriaUniqueValues[] = $value;
}
}
}
}
$keepersArr = [];
foreach ($groupCriteriaUniqueValues as $criteriaValue) {
$groupKeeper = clone self::$keeper;
$groupKeeper->{self::$groupCriteria} = $criteriaValue;
$keepersArr[$criteriaValue] = $groupKeeper;
}
return $keepersArr;
}
