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Re: TRUE and FALSE are treated differently

Posted by A Bit Narked on 01/06/08 19:16

On Sun, 06 Jan 2008 19:43:28 +0100,
"Rik Wasmus" <luiheidsgoeroe@hotmail.com> wrote:

>On Sun, 06 Jan 2008 19:26:30 +0100, A Bit Narked <anonymous@example.com>
>wrote:
>> The whole idea of symbolic constants is that they are always
>> replaced by the underlying value during translation, and thus
>> *anywhere* you would otherwise have to use some obscure "magic
>> number" such as 191, you can use a symbolic constant that makes
>> sense in your context, such as TOTAL_NATIONS.
>
>Ah, taking a closer look at your post, I'd say this: you cannot echo true
>or false, they have no string value. PHP has loose typing, and false cast
>to string would be '', cast to integer would be 0, the fact is that the
>underlying value of false is not 0 (yes, it would be in C probably, but
>not from the PHP side of things).

And yet you can echo true. The output is '1'. You can also
concat it into a string, where it also becomes a 1. The two
constants are treated completely differently in that respect.

 

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