| ⇢ | A | RefererUrlHelper added | |
| A | ↛ | RefererUrlHelper removed |
| ⇢ | B | RefererUrlHelper::getUrlPrefix() added | |
| ⇢ | A | RefererUrlHelper::getAbsoluteUrl() added | |
| ⇢ | A | RefererUrlHelper::__construct() added | |
| ⇢ | A | RefererUrlHelper::concatPathToUrl() added | |
| B | ↛ | RefererUrlHelper::getUrlPrefix() removed | |
| A | ↛ | RefererUrlHelper::getAbsoluteUrl() removed | |
| A | ↛ | RefererUrlHelper::__construct() removed | |
| A | ↛ | RefererUrlHelper::concatPathToUrl() removed |