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re: All the changes that come with PHP 7.4 VIEW POST

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re: Unfortunately, only contravariant arguments are supported so the command/handler example will not work: interface Command{} interface CommandHan...
 

You are right. Amazingly enough, I realized it in a conversation in some slack community at the same time you wrote the comment.

I will correct the article as soon as I can. Update: fixed!

Thanks for pointing it out!

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