| Re: Implied cast differs from explicit cast [message #176715 is a reply to message #176708] |
Thu, 19 January 2012 14:06   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
Karma:
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Senior Member |
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On 1/19/2012 7:39 AM, Arno Welzel wrote:
> 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(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.
>
> 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.
>
>
That's good. Come on back when you learn to read. '0x12' is not an
integer.
But then you've already proven you have no idea what you're talking
about. All you're doing is making yourself look even stoopider.
--
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Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
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