Although this is valid PHP, other functions' examples in the class (e.g. `getDefaultProperties` and `getConstructor`) contain this trailing semicolon.
210b5020c0
We also document the new `$filter` parameter for the `ReflectionClass`
methods `::getConstants()` and `::getReflectionConstants()` and the
respective constants.
Co-authored-by: Christoph M. Becker <cmbecker69@gmx.de>
Closes GH-298.