this post was submitted on 29 Jun 2024
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Programmer Humor

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[โ€“] [email protected] 2 points 5 months ago (1 children)

It's all down to typing system. In PHP, providing null to string argument is a TypeError. You have to use ?string. Same in Typescript in strict mode. In Java, you can happily use null for everything without typesystem catching it.

NaN is a float standard thing, every language that implements floats has NaN.

[โ€“] dohpaz42 1 points 5 months ago

In my 18+ years as a PHP developer, I never once knew (at least afar as I can recall) that PHP supported NaN. TIL.