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Subject: Re: [PHP-DEV] NULL Coercion Consistency
From: marandall@php.net (Mark Randall)
Message-ID: <php.internals-117698@news.php.net>

On 08/05/2022 11:48, Jordan LeDoux wrote:
> This is not the case with null. If you use the unset() function on a
> variable for example, it will var_dump as null *and* it will pass an
> is_null() check *and* it will pass a $var === null *and* it will return
> false for an isset() check. Null loses these qualities if it is cast to
> *any* scalar.


Fortunately the writing is on the wall for the undefined cases, but that 
doesn't take away from your argument.