| Re: Implied cast differs from explicit cast [message #176707 is a reply to message #176686] |
Thu, 19 January 2012 12:36   |
Arno Welzel
Messages: 317
Registered: October 2011
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Senior Member |
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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(at)attglobal(dot)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.
m(
--
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de
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