array_splice($what_array, $forget_index, 1);
array_splice($where_array, $forget_index, 1);
array_splice($folder_array, $forget_index, 1);
array_splice($what_array, $forget_index, 1);
array_splice($where_array, $forget_index, 1);
array_splice($folder_array, $forget_index, 1);