Executes a (multi-) field-sort on a 2-dimensional (data-)array.
Syntax
hublify.array_sortdata(array $array, array $sortings) @param array $array The two-dimensional array to sort. @param array $sortings The fields to sort for. Up to 5 sort-fields are supported. [ { 'field' => '<field>', // Field label to sort for 'dir' => '<direction>' // (optional, default "asc") "asc|desc" }, ... ] @return array|null Returns the sorted array on success, else NULL