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Groups > comp.lang.php > #4483

Re: Implied cast differs from explicit cast

From Jerry Stuckle <jstucklex@attglobal.net>
Newsgroups comp.lang.php
Subject Re: Implied cast differs from explicit cast
Date 2012-01-16 08:45 -0500
Organization A noiseless patient Spider
Message-ID <jf19m7$rbt$1@dont-email.me> (permalink)
References <4f1378ee$0$16741$882e7ee2@usenet-news.net> <jevvqe$1gk$1@dont-email.me> <4f139498$0$16818$882e7ee2@usenet-news.net> <jf18lk$na6$1@news.albasani.net>

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On 1/16/2012 8:28 AM, The Natural Philosopher wrote:
> lb wrote:
>> jstucklex@attglobal.net wrote:
>>> ...
>>> No, it is not. '0x12' is a hex number, not an integer. (int)'0x12'
>>> converts this correctly to 0.
>
> Looks like Jerry doesn't know what an integer is either.
>
> A hex number of course *is* an integer, unless its a hex representation
> of floating point.
>
> Killfile the prat like I have.
>
>

0x12 is not an integer.  It is a hexadecimal value.

It can have the same bit pattern as an integer - but it can also have 
the same bit pattern as a character (Ctrl-R, to be exact).

>>
>> OK, but if (int)'0x12' is 0, why is '0x12'+0 == 18?
>>
>> Why are they different? Aren't they both doing 'string conversion to
>> number'?
>
> Don't expect Jerry to have a clue
>
> because its either an integer number or a non numeric string?
>
> I have given up trying to second guess PHP in casting.
>
> One keeps things very simple as with a 2 year old (or jerry) when using
> PHP.
>
> It can understand 18
>
> It can understand 'eighteeen'
>
> Lord knows what it does with '18'
>
>
> As for 0x12...man, you are pushing the boat out, there.
>
> Stop expecting PHP to be more than it is, a quick hack that writes good
> web pages faster than almost anything else.
>
> If you want a language that has a rule set and sticks to it rigidly,
> that's C.
>

You're mixing C/C++ and PHP.  They are not the same language.



-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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Thread

Implied cast differs from explicit cast lb <lb2048@pobox.com.delete> - 2012-01-16 01:10 +0000
  Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-15 20:51 -0500
    Re: Implied cast differs from explicit cast lb <lb2048@pobox.com.delete> - 2012-01-16 03:08 +0000
      Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-15 22:39 -0500
        Re: Implied cast differs from explicit cast Arno Welzel <usenet@arnowelzel.de> - 2012-01-16 08:42 +0100
          Re: Implied cast differs from explicit cast Curtis Dyer <dyer85@gmail.com> - 2012-01-16 09:04 +0000
          Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-16 08:25 -0500
            Re: Implied cast differs from explicit cast "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-16 19:51 +0100
      Re: Implied cast differs from explicit cast The Natural Philosopher <tnp@invalid.invalid> - 2012-01-16 13:28 +0000
        Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-16 08:45 -0500
          Re: Implied cast differs from explicit cast Arno Welzel <usenet@arnowelzel.de> - 2012-01-17 06:59 +0100
            Re: Implied cast differs from explicit cast Arno Welzel <usenet@arnowelzel.de> - 2012-01-17 07:00 +0100
              Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-17 08:17 -0500
            Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-17 08:16 -0500
              Re: Implied cast differs from explicit cast Arno Welzel <usenet@arnowelzel.de> - 2012-01-19 13:36 +0100
                Re: Implied cast differs from explicit cast Arno Welzel <usenet@arnowelzel.de> - 2012-01-19 13:39 +0100
                Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-19 09:06 -0500
                Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-19 09:05 -0500
                Re: Implied cast differs from explicit cast The Natural Philosopher <tnp@invalid.invalid> - 2012-01-19 15:01 +0000
                Re: Implied cast differs from explicit cast Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-19 14:41 -0500
  Re: Implied cast differs from explicit cast "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-16 09:49 +0100
  Re: Implied cast differs from explicit cast "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2012-01-16 11:48 +0100
    Re: Implied cast differs from explicit cast lb <lb2048@pobox.com.delete> - 2012-01-17 02:35 +0000

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