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Date: Thu, 3 Dec 2020 16:57:25 -0800
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Subject: Re: [PHP-DEV] Re: PHP 8 is_file/is_dir input handling
From: smalyshev@gmail.com (Stanislav Malyshev)

Hi!

> While it's clear that passing e.g. an array falls into the scope of that 
> general note, it doesn't say anywhere on that page that a string value 
> which contains "\0" is "not what it expects", and I don't think I would 
> ever have guessed that before reading this thread.
> 
> So I stand by my assertion that this behaviour was both undocumented and 
> unexpected.

You may assert anything, but it's a fact that PHP functions have 
returned nulls on bad values since forever. The manual may tell you not 
to rely on that, but that's still what they did. It's not like it 
suddenly happened out of nowhere. It has been the case for ages.

-- 
Stas Malyshev
smalyshev@gmail.com