When running psalm in a Laravel project, I get the following error by default: This is the default implementation for configureRateLimiting in the RouteServiceProvider class in Laravel: I change it to the following to get psalm to pass (I’ve added named parameters and the static keyword before the callback function):

Whilst working on a little library recently, I discovered some interesting behavior with PHP’s __call magic method. Specifically around using named arguments in methods that are caught by the __call method. Given the following class: Calling a non-existing method without named parameters would result in the arguments being given to __call as an indexed array:…