| ⇢ | A | StringValue added | |
| ⇢ | A | DateTimeValue added | |
| A | ↛ | StringValue removed | |
| A | ↛ | DateTimeValue removed |
| ⇢ | A | DateTimeValue::__construct() added | |
| ⇢ | A | DateTimeValue::__toString() added | |
| ⇢ | A | DateTimeValue::getValue() added | |
| ⇢ | A | StringValue::__construct() added | |
| ⇢ | A | StringValue::getValue() added | |
| ⇢ | A | StringValue::__toString() added | |
| A | ↛ | DateTimeValue::__construct() removed | |
| A | ↛ | DateTimeValue::__toString() removed | |
| A | ↛ | DateTimeValue::getValue() removed | |
| A | ↛ | StringValue::getValue() removed | |
| A | ↛ | StringValue::__construct() removed | |
| A | ↛ | StringValue::__toString() removed |