* - init 8.1 tests
- adding `#[\ReturnTypeWillChange]`
- Fix deprecation message: strlen(): Passing null to parameter #1 ($string) of type string is deprecated
- null is not allowed
- cleanup
- default values should be same type
* Mirror `v1.1` fixes for these files
* add null as type too since we also accept null as default value
Signed-off-by: Zaher Ghaibeh <zaher@zaher.dev>
* revert back to assertNull
* Update CHANGELOG
* Update CHANGELOG.md
Co-authored-by: Till Krüss <tillkruss@users.noreply.github.com>