Apply some of phpstan level 6 fixes and code style changes

mollie / mollie-api-php

Mollie API client for PHP

http://www.mollie.com

BSD 2-Clause "Simplified" License

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Closed N-M closed 2 years ago

N-M commented 2 years ago

In this pull request, there is some phpstan level 6 fixes and change to the null coalescing operator in examples in order to have more readable code.

sandervanhooft commented 2 years ago

Thanks @N-M !