+ foreach ($notes as &$note) {
+ $diffInDays = intval(
+ (time() - strtotime($note['last-change-date'])) / 86400
+ );
+ $value = 0 + $diffInDays;
+ if ($value > 160) {
+ $value = 160;
+ }
+ $note['dateColor'] = '#' . str_repeat(sprintf('%02X', $value), 3);
+ }
+