* exclude query params when they are not required
* fix check on empty
* update samples
* fix
* add tests
* update test
* Fix style
I guess PHPCodeSniffer would find PSR12 violated but we use CS-Fixer
instead. Anyway, conditions should contain spaces between logical
operators for readability.
* Apply CS-Fixer changes to templates
* Refresh samples
* Add required param to docblock
Co-authored-by: Yuriy Belenko <yura-bely@mail.ru>