| C | ↘ | D | Review got worse |
| ⇢ | B | SanitizeUserId::userValue() added | |
| ⇢ | A | SanitizeUserName::userValue() added | |
| ⇢ | A | SanitizeUserName::sanitizeValue() added | |
| ⇢ | A | SanitizeUserId::__construct() added | |
| ⇢ | A | SanitizeUserName::__construct() added | |
| ⇢ | A | SanitizeUserEmail::sanitizeValue() added | |
| ⇢ | A | SanitizeUserEmail::userValue() added | |
| ⇢ | A | SanitizeUserEmail::__construct() added | |
| A | ↛ | SanitizeUserId::value() removed | |
| A | ↛ | SanitizeUserName::sanitizeDisplayName() removed | |
| A | ↛ | SanitizeUserEmail::value() removed |