Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.php > #4518

Re: Implied cast differs from explicit cast

Show all headers | View raw

Arno Welzel, 2012-01-19 13:36:

> Jerry Stuckle, 2012-01-17 14:16:
> 
>> On 1/17/2012 12:59 AM, Arno Welzel wrote:
>>> Jerry Stuckle, 2012-01-16 14:45:
>>>
>>>> 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.
>>>
>>> No, 0x12 (and *not* "0x12") is the hexadecimal *representation* of the
>>> value 18. There is no thing like "hexadecimal value" and "0x12" is a
>>> *string* and not a number at all.
>>>
>>
>> No, it is a hexadecimal value.  It may be an integer, it may be a
>> character, it may be a set of flags... It does not have to be an integer.
>>
>>> In fact PHP only knows to types of numbers: integers and floating point.
>>> There is no "hexadecimal" data type.
>>>
>>
>> Excuse me - there is.  See hexdec().
> 
> <http://php.net/manual/en/function.hexdec.php>
> 
> You don't know what a data type is? Do you?
> 
> See <http://www.php.net/manual/en/language.types.php> and show me, where
> the "hexadecimal data type" is explained.

And you should read the section about *integer* literal in
<http://www.php.net/manual/en/language.types.integer.php> very carefully.

There is no thing as "conversion of hexadecimal values to an integer".

EOD for me.


-- 
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de

Back to comp.lang.php | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

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

csiph-web